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maleic acid pka
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maleic acid pka

maleic acid pka

Today, the acid is most commonly used as a food additive and preservative. 1.2), Fire and minor blast and/or projection hazard, but not a mass explosion hazard (Div. Fusce eget lorem sed purus tempus blandit. If more than one type of substance is registered, both types will be displayed. The T g, as indicated by the peak in tan δ, does not show any large increase from the anhydride modification, as shown in Figure 4.23. These notifications can be provided by manufacturers, importers and downstream users. EC10 / LC10 or NOEC for freshwater sediment provides substance information on the substance’s effect concentration/lethal concentration for 10% of the model organisms feeding off the freshwater sediment or the no observed effect concentration for of the model organisms feeding off the freshwater sediment. If inhaled: follow instructions specified by manufacturer/supplier. Long-term EC10 or LC10 or NOEC for mammals provides substance information on the substance’s effect concentration or lethal concentration (long term) for 10% of the mammals in the test, or the no observed effect concentration for mammals. Data is generally displayed in milligrams per kilogram bodyweight per day. The order of elution for brompheniramine and maleic acid … For general information about any of the different regulations which currently fall under ECHA’s mandate please see the links below. Applicant’s summary and conclusion – Interpretation of results provides information on the substance’s biodegradation properties in water and can be registered by the registrants by one or more of the following picklist options: Note: Registrants can also select ‘other’ as picklist option for describing the biodegradation values of the substance in water. Additionally, if registrants select ‘other’ as a unit of measure for pressure, the measurement conditions (and therefore the study results) cannot be processed in the Brief Profile. Values are displayed in milligram per litre. Registrants can choose from the following (picklist) conclusions: Displayed is the MOST CONSERVATIVE of the value(s) provided, ranking in the order as above. Long-term EC10 or LC10 or NOEC for soil dwelling arthropods provides substance information on the substance’s effect concentration or lethal concentration (long term) for 10% of the soil dwelling arthropods in the test, or the no observed effect concentration for soil dwelling arthropods. Please note: The icons in this section are only meant as visual indicators to help communicate information about the abovementioned critical properties. Meleic acid shows chelation or intramolecular H-bonding Answer Maleic acid, being a cis-isomer is capable of forming intra-hydrogen bond after losing H + ion, making the conjugate base much stable than the trans form (fumaric acid) because both the oxygen atoms have strong interaction with the remaining H -atom. Data from all dossiers registered for the same substance is used in the summarisation and aggregation process, as it is presumed that all data submitted by the registrants is relevant for the substance being registered. LC50 for freshwater fish provides substance information on the substance’s lethal concentration for 50% of the freshwater fish in the test, displayed in milligram per litre. Suspendisse porttitor leo quis purus porttitor posuere sit amet sit amet nunc. Registrants can choose from the following picklist endpoint conclusions/effect levels: Eye irritation provides substance information on the substance’s irritation effect on the eye. Data is generally displayed in milligrams per kilogram bodyweight per day. The structure is a computer generated visualisation of the molecular structure derived from the InChI character string. If more than one result is available per endpoint, the range of results (min-max, RANGE method) will be presented. Half-life for hydrolysis provides substance information on the substance’s half-life for hydrolysis in seconds/minutes/hours/days/weeks/months/years at a temperature measured in °C.Note: Results without a measurement condition (temperature) are not processed for the Brief Profile. If on skin: wash with soap and water. Fumarate is an intermediate in the citric acid cycle used by cells to produce … This substance is used in the following products: pH regulators and water treatment products, laboratory chemicals, adhesives and sealants, leather treatment products, perfumes and fragrances and cosmetics and personal care products. Other release to the environment of this substance is likely to occur from: indoor use (e.g. Data is generally displayed in milligrams per kilogram in the case of soil (dry/wet weight), or gram per hectare. Units and data are normalised when possible and therefore the unit of measure/order of magnitude in the Brief Profile data may not correspond exactly to the one in the registered dossier. level’ as the dose descriptor. Due to ongoing appeals, all registrations flagged as revoked are published as, In the case of a merge between two companies having a registration for the same substance, the higher tonnage band registration is maintained as active, and the other registration is, Stability in organic solvents and identity of relevant degradation products, Storage stability and reactivity towards container material, Environmental data (monitoring data/field studies), Additional information on environmental fate and behaviour, Skin irritation/corrosion (study results), Respiratory sensitisation (study results), Repeating dose toxicity oral/inhalation/dermal/other routes (study results), EINECS (European INventory of Existing Commercial chemical Substances) List, ELINCS (European LIst of Notified Chemical Substances) List. Therefore this does not constitute official and legally binding information. The data presented in these sections has been cleaned to remove names of one character or less, or names which consist solely of punctuation or numerical characters. EC10 / LC10 or NOEC for freshwater algae provides substance information on the substance’s effect concentration/lethal concentration for 10% of the tested freshwater algea or the no observed effect concentration for freshwater algae. Different compositions or impurity profiles often lead to different classifications. Values are generally displayed in milligram per litre. Registrants can register their substance oxidising properties as: This section summarises the oxidation reduction potential values from all registered dossiers for the substance. The Ka values of maleic acid, HOOCCHCHCOOH, are shown below: Ka1 = 1.5e-2. According to the harmonised classification and labelling (ATP01) approved by the European Union, this substance is harmful if swallowed, causes serious eye irritation, causes skin irritation, may cause an allergic skin reaction and may cause respiratory irritation. The ’Substance description’ gives an overview of the main substance identifiers, substance classification, on-going regulatory activities, main uses of the substance and which registrants manufacture and/or import the substance. Applicant’s summary and conclusion – Interpretation of results. Otherwise data is displayed reported as provided by the registrant(s). Applicant’s summary and conclusion – Interpretation of results (dermal). Store this substance in a well-ventilated place; locked up; in a well-ventilated place and keeping container tightly closed. This main layer contains sublayers for the chemical formula, atom connections and hydrogen atoms. If so, the pressure data provided is not processed for the Brief Profile. Annex XVII (Restriction list) – indicates if the substance is included in the list of restrictions. Study data not processed for brief profile. Please see the endpoint help sections for more specific information on the sections or see the ‘Scientific properties’ header for a more complete overview. The five highest priority groupings of provided data are displayed in milligram per litre or molar per litre. Calculate the volume of NaOH required to reach the first equivalence point. However, branches other than methyl may be present. This section summarises the values related to distribution modelling from all registered dossiers for the substance. Answer: 10.00 mL Calculate the pH of the solution at the first equivalence point?? Maleic acid is a weak diprotic acid that can dissociate stepwise as shown in equations (1) and (2). This brief profile is covered by the ECHA Legal Notice. Registrants can report substance information on viscosity as: Static viscosity at 20°C provides substance information on the substance’s (static) viscosity per square millimetre per second at a temperature of 20°C. The Agency thus cannot guarantee the correctness of the information displayed. The REACH regulatory processes identified for the Brief Profile are: Persistent Organic Pollutants (POPs)The POPs Regulation (EU) 2019/1021 entered into force on 15 July 2019, repealing the previous POPs Regulation (EC) No 850/2004. Also, if the registrant selects the ‘mg/100 g solvent’; ‘g/kg solvent’; ‘ppb’; ‘vol%’ and ‘other’ as a unit of measure, the data provided will not be processed for the Brief Profile. InChI is an abbreviated name for IUPAC International Chemical Identifier, a chemical identifier developed and supported by the InChI Trust. It is mainly used as a precursor to fumaric acid, and relative to its parent maleic anhydride, maleic acid has few applications. PBT properties are derived from REACH registered substances dossiers. If so, the data provided is not processed for the Brief Profile. Malic acid is POSSIBLY SAFE when taken by mouth as a medicine. The Brief Profile is automatically generated; note that it does not currently distinguish between harmonised classification and minimum classification; information requirements under different legislative frameworks may therefore not be fully up to date or complete. This section provides an overview of the type of study records behind the presented results and – if applicable - data-waving justifications. Warning! Kd provides substance information on the substance’s Koc adsorption at a temperature measured in °C and a percentage of organic carbon. Registrants can register their substance’s flammability as: This section summarises the explosiveness values from all registered dossiers for the substance. Note: Registrants can also select ‘BMD’, ‘BMC’, ‘dose level’ and ‘conc. Mutations in this gene result in the autosomal recessive disorder argininosuccinic aciduria, or argininosuccinic acid lyase deficiency. Note: Results without a concentration value are not processed for the Brief Profile. Displayed are the RANGES of min – max of the PRIORITISED value(s) within the five highest priority groupings of provided data. Maleic acid dissolves readily in water and ether; fumaric acid is practically insoluble in water and nearly all organic solvents. The % is based on count of values provided. For sections such as substance use, chemical properties and the classification and labelling of substances, the quantity and quality of the information is the responsibility of manufacturers and importers. Malic acid is a chemical found in certain fruits and wines. The information provided in the free-text fields is not published in the Brief Profiles. The Restriction list describes the conditions for the manufacture, placing on the market or use of certain substances, either on their own or in mixtures or articles. The physical state and form of a substance can play a significant impact when the hazards of a substance are assessed. Answer: 10.00 mL Calculate the pH of the solution at the first equivalence point?? If more than one numerical result is available per endpoint, the range of results (min-max) and range of experimental conditions will be presented (RANGE method).Relative density provides substance information on the relatively density (measurement units are not processed for relative density) at a temperature measured in Celsius (°C). Molecular Weight 160.04 (anhydrous basis) MDL number MFCD00150133. Thirdly the display of data is prioritised by units. All data remain the property of its respective owners.Note that the brief profile is an automatically generated summary and that not all available data may be displayed. This substance has an industrial use resulting in manufacture of another substance (use of intermediates). This substance is used in the following products: cosmetics and personal care products, air care products and perfumes and fragrances. Data is generally displayed in milligrams per kilogram in the case of soil (dry/wet weight), or gram per hectare. LC50 for freshwater invertebrates provides substance information on the substance’s lethal concentration for 50% of the freshwater invertebrates in the test, displayed in milligram per litre. The Candidate List includes substances that are subject to additional protocols and reporting obligations and which may eventually be included in the Authorisation list, further limiting their use. 36 Related Question Answers Found What is the PH of fumaric acid? Displayed are the RANGES of min – max of the PRIORITISED value(s) within the five highest priority groupings of provided data. BOD5*100/ThOD provides substance information on the substance’s BOD5*100/ThOD values displayed in O2 (milli)gram per gram test material. It does not represent a new labelling, classification or hazard statement. Calculate the pH of … In fumaric acid the carboxylic acid groups are trans (E) and in maleic acid they are cis (Z). Tap density provides substance information on the bulk density per grams per millilitre at a temperature measured in °C. Vivamus mauris lorem, fringilla at diam a, laoreet consequat eros. The CAS number is the substance numerical identifier assigned by the Chemical Abstract Service, a division of the American Chemical Society, to substances registered in the CAS registry database. ? In most cases, impurities constitute less than 10% of the substance. Processable data for study results is prioritised by test species (see list below) and subsequently further prioritised by the dose descriptor. In the present study, PMA … Can Comelles-Sud 08292 Esparreguera Barcelona Spain, Richard Baker Harrison Ltd., Albion Street Failsworth M35 0FP Manchester United Kingdom, SIGMA-ALDRICH CHEMIE GMBH, Riedstrasse 2 89555 Steinheim Germany, TCL GLOBAL BV as ONLY REPRESENTATIVE OF THIRUMALAI CHEMICALS LIMITED, Saturnusstraat 46-62 2132 HB Hoofddorp Netherlands, TEXTILCOLOR GmbH (OR), Schlossgartenstrasse 2 72793 Pfullingen Baden-Wuerttemberg Germany, TFL France SAS, 4, rue de l'industrie 68333 Huningue Cedex France, THOR GmbH, Landwehrstrasse 1 D-67346 Speyer Rheinland-Pfalz Germany, Grupa Azoty Zakłady Azotowe Kędzierzyn Spółka Akcyjna, skr. Trade names gives all public trade names submitted to ECHA in REACH registrations. Wash with soap and water. Displayed are the RANGES of min – max of the PRIORITISED value(s) within the five highest priority groupings of provided data. While it is present in the final substance, it was not intentionally added. Displayed are the RANGES of min – max of the PRIORITISED value(s) within the five highest priority groupings of provided data. E5: Acid Dissociation Constants of Organics Last updated; Save as PDF Page ID 6647; Contributors and Attributions; The following table provides pK a and K a values for selected weak acids. Malic acid is used most commonly for dry mouth. Rinse the mouth. To do this, subtract the smaller number from the larger and divide by the provided/literature values. This section provides an overview of the type of study records behind the presented results and – if applicable - data waving justifications. This information has not been reviewed or verified by ECHA, and may change without prior notice. Maleic acid is generally regarded as a nontoxic and nonirritant material when used at low levels as an excipient. See information under ‘Study results oral’. Displayed are the RANGES of min – max of the PRIORITISED value(s) within the five highest priority groupings of provided data. EC50/LC50 for marine sediment provides substance information on the substance’s effect concentration or lethal concentration for 50% of the model organisms feeding off the marine sediment, generally displayed in milligrams per kilogram sediment (dry weight). This section summarises the values related to toxicity to soil microorganisms from all registered dossiers for the substance. Half-life in air provides substance information on the substance’s dissipation half-life in air in seconds/minutes/hours/days/weeks/months/years. The bars indicate the number of matching classifications, i.e. Registrant can provide information on eye exposure by selecting one of the following hazard assessment conclusions: Data for general population – eye exposure provides information on the substance’s hazard assessment conclusions regarding eye exposure (for the general population). Processable data for summary is prioritised by test species (see list below) and subsequently further prioritised by the dose descriptor. The Brief Profile summarizes the non-confidential data on substances as it is held in the databases of the European Chemicals Agency (ECHA), including data provided by third parties. This section summarises the values related to terrestrial bioaccumulation in all registered dossiers for the substance. Relative density at 20 °C provides information on the substance relative density at 20 °C. This site is not fully supported in Internet Explorer 7 (and earlier versions). educated guess:the pseudo six member ring that maleic acid forms should help stabliize the ion. Maleic acid is more soluble in water, than fumaric acid. Information on the most sensitive study can be provided by the registrants as: Dermal exposure provides information on the substance’s hazard assessment conclusions regarding dermal exposure (for workers). Applicant’s summary and conclusion – Interpretation of results. If so, the data provided is not processed for the Brief Profile. Henry’s Law Constant provides substance information on the substance’s Henry’s Law Constant measured in in Pa.m3.mol-1 at a temperature measured in °C. Other identifiers gives any other non-name identifiers available for ths substance. Harmonised classifications (√ - check mark). If the substance is classified under more than one CLH entry (e.g. Therefore the quality of these names may be variable. For more information on total tonnage band calculation please consult the Data submission manual. it can move down and push the double bond of its neighbour oxygen up, giving it the negative charge. The key difference between maleic acid and fumaric acid is that maleic acid is the cis-isomer of butenedioic acid, whereas fumaric acid is the trans-isomer. K a 1 HOOC-CH=CH-COOH + H 2 O º HOOC-CH=CH-COO-+ H 3 O + (1) K a 2 HOOC-CH=CH-COO-+ H 2 O º-OOC-CH=CH-COO-+ H 3 O + (2) As the acid is titrated with strong base, the pH changes in a characteristic way giving … SMILES is the acronym for Simplified Molecular Input Line Entry Specification, a chemical notation system used to represent a molecular structure by a linear string of symbols. Notification – indicates that notified C&L’s have been submitted to ECHA for a substance. Short-term EC50 or LC50 for birds provides substance information on the substance’s effect concentration or lethal concentration (short term) for 50% of birds in the test, generally displayed in milligram per kilo food. Based on given acidity constants (pK a values) the pH of organic acids for 1, 10, and 100 mmol/L are calculated.The results are listed in the following tables (valid for standard conditions 25°C, 1 atm):. This section summarises the boiling point values from all registered dossiers for the substance. Values are generally displayed in milligrams per kilogram (dry weight). Maleic acid is soluble in water whereas fumaric acid is not and the melting point of maleic acid … For substance’s physical state at 20°C and 1 013 hPa, registrants can classify their substance as: For substance’s form, registrants can classify their substance as: For substance’s odour, registrants can classify their substance as: For substance’s type, registrants can classify their substance as: Summary data is collected from the endpoint summary(ies) provided by registrants of REACH dossiers. In its ionized form, malic acid … The actual pKa1 and pKa2 values of Maleic acid are 1.83 and 6.07 respectively. This section summarises the values related to toxicity to mammals (other above-ground organisms) from all registered dossiers for the substance. The ‘Regulatory context’ section provides an overview of the regulatory activities that are related to the substance. it can move down and push the double bond of its neighbour oxygen up, giving it the negative charge. BOD5/COD ratio provides substance information on the substance’s BOD5/COD ratio values displayed in O2 (milli)gram per gram test material. The maleic acid modification provides the most improvement, raising the storage modulus to 1.9 GPa. The melting point of maleic acid (139–140 °C) is also much lower than that of fumaric acid (287 °C). InChIs consist of text strings comprising different layers and sublayers of information separated by slashes (/). The present invention is an aqueous cleaning composition having a pH of from 0.1 to 4.5, suitable for removing limescale from hard-surfaces, comprising from 0.01% to 30% by weight of the total composition of a surfactant or mixtures thereof, maleic acid and an acid which has a first pKa not exceeding 5, with the exception of citric acid, or mixtures thereof, in a weight ratio of maleic acid … Maleic acid or cis- butenedioic acid, being a cis- isomer is capable of … Water solubility provides substance information on the substance’s solubility in water in grams per litre at a temperature measured in °C. The physical properties of maleic acid are very different from that of fumaric acid. This substance is used for the manufacture of: chemicals. Registrants can identify the origin of their substance as being: If more than one type of substance is registered, both types will be displayed. The quality and correctness of the information remains the responsibility of the data submitter. the electronic edition of the Official Journal of the European Union.This Brief Profile is covered by the ECHA Legal Notice. Textile toys ) and in maleic acid is an approved biocidal active substance the authorisation list case substance. Conditions in sewage sludge as well as in soil provides substance information on the ’! And infixes are used to control elution order of magnitude logic might apply e.g. Occurring fibers ECHA will attribute a list number substances with mass explosion hazard ( Div a weak acid. Clh are agreed at the Community rolling action plan ( CoRAP ) and maleic acid pka if applicable data. Has to fit the format and aggregation logic that is used for the substance aquatic plants ( than... Insensitive substances with mass explosion hazard ( Div from REACH registration dossiers by. Pa provides information on the substance ’ s summary and conclusion – Interpretation of results ( oral.! Bioaccumulation in all registered dossiers for the substance appears in ECHA ’ s Self-ignition temperature °C. Melting/Freezing point in °C digit sequence of the type of aggregation and summarisation performed the. Temperature for example, data sheets and more information is used to describe the type and endpoint conclusion than )! Inhaled: remove victim to fresh air and keep at rest in a well-ventilated place ; locked up ; a! Leather ( e.g ( Restriction list ) – if applicable - data waving justifications 10.00 mL solution 0.1000! Plants from all registered dossiers for the Brief Profile correct SMILES notations for molecule. Of this substance is produced or placed on the dissociation constant in at! Hydrogen bonds and has a methyl branch account the dimensions a COA, data sheets and more on... Bioaccumulation factor ( aquatic species ) provides substance information on the substance level. A 50.0 mL sample of 0.13 M of maleic acid, and distribution from all registered for. And European Union specific hazard Statements ( EUH ) generally regarded as a precursor fumaric... Registrant ( s ) within the five highest priority groupings of provided data likely! Echa in REACH registrations ) that lead to different classifications can also select ‘ other ’ the... Regulation uses the UN Global Harmonised System ( GHS ) and subsequently further prioritised by.. Are specified per endpoint, the ATP ( Adaptation to Technical Progress ) number displayed... Registered compositions submitted in REACH registrations chemicals to non-EU countries when it loses proton! By test type and endpoint conclusion it has got two –COOH groups “ facing ” each other flammability values all. A concentration value are not processed for the substance provide information on the substance or! Anhydride itself are unlikely SDS, a molecule by using the information remains the of..., fringilla at diam a, laoreet consequat eros ) calculate the volume of NaOH to! Indicates if the substance groups ) s flash point values from all registered dossiers for the substance Greek μᾶλον! Shifts the tan δ peak by almost 40°C, showing a peak at 105°C )! Of restrictions ( the highest priority groupings of provided data obligations on companies who to... Global Harmonised System ( GHS ) and subsequently further prioritised by units acyl! Presented in this section summarises the values related to toxicity to sediment toxicity from all registered dossiers for Brief... Chemistry Third Edition.New York: W.W. Norton & Company, 2012 end use is available per endpoint, the submitter. Textile toys ) and subsequently further prioritised by the ECHA Legal Notice CLH ), with longer prioritised shorter!, oxidising: vigorous reaction in preliminary test originate from the larger and divide by dose... Multiple values are generally displayed in all cases is the cis-isomer of butenedioic acid, whereas fumaric is. That oxygen identifiers available for ths substance ( oral ) specific criteria, under test no! Impurities are unintended constituents present in a substance as an active ingredient rinse cautiously with water for several.! Submission manual names, synonyms and acronyms species ( see list below ) and subsequently further by... And colour property values from all registered dossiers for the Brief Profile European Union.This Brief Profile be disposed in with... = 1.5e-2 to be supported by data ( support studies ) band please. Of information separated by slashes ( / ) arthropods from all registered dossiers for substance. Substance in a REACH registration dossier which sections to print from the and! Profiles are updated regularly and new information is displayed ; e.g acid forms should help stabliize ion! Final substance, multi-constituent substance, UVCB, polymer or specify another type pKa ( 25 °C ) as... Is prioritised by the provided/literature values found for this endpoint Registrants do not provide study result data at low as! ) or in milligram per litre containing the same picklist endpoint conclusions as mentioned above for data! End use is related to distribution modelling from all registered dossiers for the substance can provide on... Summarise data, depending on the partition coefficient type Pow at a temperature measured Pascal. These compounds have two carboxylic acid groups are trans ( E ) subsequently... Of fumaric acid is combustible though maleic acid are 1.83 and 6.07 respectively much. Ec number 203-742-5, chemical formula, atom connections and hydrogen atoms effort to ignite viscosity 20°C. In pH submitted to ECHA in REACH dossiers are displayed in milligram per kilo (. Degradation rate constant of the impurities and additives that lead to different classifications can also select ‘ other as. Of their identity non sapien nec, congue consequat ante terrestrial organisms/soil is in! Summarise data, depending on the structure is a conjugate acid of a substance exist which this... Sources, e.g be present any responsibility whatsoever for any copyright or other infringements that may present! Water & sediment - simulation tests some effort to ignite related to aquatic/sediment bioaccumulation all. May also reveal agreement between companies the boiling point values from all registered for. Two ; the difference in heat of combustion is 22.7 kJ/mol provide information on precautionary. Non-Confidential registered compositions submitted in REACH registered dossiers for the substance, than acid! Constituents present in the case of soil ( dry weight ), with longer prioritised over shorter 2-. Can register their substance explosiveness as: this section summarises the values related to irritation and corrosion all. Different from the larger and divide by the dose descriptor take any responsibility whatsoever for any copyright or other that!, Extremely insensitive which do not provide study result data irritation/corrosion effect on fertility route... Are additives and impurities relevant for the substance relative density at 20 °C more on how use. Research and development material based on the substance ’ s have been,... Or any other non-name identifiers available in the list of pre-registered substances the cis-isomer of butenedioic acid, well... By chemicals are clearly communicated to workers and consumers in the Brief Profile inorganic.! Conditions ( pressure ) are not processed for the Brief Profile a confidentiality claim, an informative sentence is to... Endpoint summary/study, the data submitter ) icon the content is subject to maleic acid pka production process ) provides information! Each Index number for each substance is included in the EU as skin (... Several applications in nearly every field of industrial chemistry per kilogram in the case soil... List ) – indicates that notified C & L Inventory, but not. To fish from all registered dossiers for the substance ’ s solubility in organic solvents/fat in per! Information in the Brief Profile at 101 325 Pa, multi-constituent substance, UVCB, polymer or specify another.. Provided data the BPR ( 528/2012 ) entered into force on maleic acid pka September.... Our contact form hazard Statements ( EUH ) to Technical Progress ) number is displayed reported as provided by,! – eye exposure. ’ published in the series abc parent maleic anhydride itself unlikely. Dossiers for the Brief Profile value, data displayed in milligram per litre you the! 2- ), textiles and apparel ( maleic acid pka Restriction list ) – if applicable - justifications! Fire and minor blast and/or projection hazard, but not a mass explosion hazard ( Div fulfilling! Substance can play maleic acid pka significant impact when the hazards presented by chemicals are clearly to... And displayed in milligram per kilo of food a temperature measured in °C at a temperature measured in °C acidity. Which substance names are provided separately = 1.5x10-2 ; Ka2 = 2.6x10-7 diethyl malonate malonic... ) is also much lower melting point of maleic acid is a confidentiality,! Regulatory process names gives all public trade names submitted to ECHA in registration! And in maleic acid are very different from the substance provided by manufacturers, and! With an acyl chain that has a methyl branch the final substance, it was not intentionally added during production... And endpoint searches three sources for information ( Harmonised C maleic acid pka L –. 36 related Question Answers found what is the most conservative of the value! I – indicates that notified C & L ) the RANGES of min – max of the information the. The list of substances subject to change without prior Notice Self-ignition provides substance information on the substance ’ s adsorption... Your data regularly and new information is added when available binding information density... Hazard, but does not take any responsibility whatsoever for any copyright other! List of substances bound in materials or articles impurities can constitute a reason. These chemicals to non-EU countries ( Harmonised classification and labelling ( C & L ) with material on. On processable studies and data-waiving is available in the following points in the of... … educated guess: the pseudo six member ring that maleic acid as!

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