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Adipic acid suppliers in China
Cas No: 124-04-9
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
Adipic acid Factory
Cas No: 124-04-9
USD $ 1.0-1.0 / Kilogram 1 Kilogram 1-500 Metric Ton/Year Chemwill Asia Co., Ltd. Contact Supplier
Adipic acid suppliers in China CAS NO.124-04-9
Cas No: 124-04-9
USD $ 2300.0-2400.0 / Metric Ton 1 Metric Ton 20 Metric Ton/Day Shandong Jiading Chemical Co.,ltd Contact Supplier
Adipic Acid CAS NO.124-04-9
Cas No: 124-04-9
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Adipic acid
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124-04-9 Usage


Adipic Acid is primarily used in the synthesis of nylon. It has been used as a reagent in the solid-state polymerization of nylon analogs.


ChEBI: An alpha,omega-dicarboxylic acid that is the 1,4-dicarboxy derivative of butane.


Adipic acid is a white crystalline solid/crystalline granule, and its odour has not been characterised. It is stable and incompatible with ammonia and strong oxidising agents. It may form combustible dust concentrations in air. The likely routes of exposure to workers are by skin contact and inhalation at workplaces. It is used in the manufacture of nylon, plasticisers, urethanes, adhesives, and food additives.

Fire Hazard

Behavior in Fire: Melts and may decompose to give volatile acidic vapors of valeric acid and other substances. Dust may form explosive mixture with air.

Air & Water Reactions

Dust may form explosive mixture with air [USCG, 1999]. Insoluble in water.

Purification Methods

For use as a volumetric standard, adipic acid is crystallised once from hot water with the addition of a little animal charcoal, dried at 120o for 2hours, then recrystallised from acetone and again dried at 120o for 2hours. Other purification procedures include crystallisation from ethyl acetate and from acetone/petroleum ether, fusion followed by filtration and crystallisation from the melt, and preliminary distillation under vacuum. [Beilstein 2 IV 1956.]

General Description

Adipic acid is a white crystalline solid. Adipic acid is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Adipic acid is used to make plastics and foams and for other uses.



Chemical Properties

Adipic acid, HOCC(CH:04COOH, is also known as hexanedioic acid and 1,4-butanedicarboxylic acid, is a colorless crystalline dicarboxylic acid. It is slightly soluble in water and has a melting point of 152°C. It is used in the manufacture of nylon and urethane rubber.

Health Hazard

Inhalation of vapor irritates mucous membranes of the nose and lungs, causing coughing and sneezing. Contact with liquid irritates eyes and has a pronounced drying effect on the skin; may produce dermatitis.

As a flavor ingredient

CAS.No.:  124-04-9  FL.No.:  8.026 FEMA.No.:  2011 NAS.No.:  2011
CoE.No.:  26 EINECS.No.:  204-673-3  JECFA.No.:  623 E.No.:  E355 
  Description: Adipic acid is a crystalline powder with practically no odor. It has the lowest acidity of any of the acids commonly used in foods and has excellent buffering capacity in the range of pH 2.5 to 3.0. Like succinic and fumaric acid, adipic acid is practically nonhygroscopic. Its addition to foods imparts a smooth, tart taste. In grape-flavored products, it adds a lingering supplementary flavor and gives an excellent set to food powders containing gelatin. As a result, adipic acid has found a wide number of uses as an accidulant in dry powdered food mixtures, especially in those products having delicate flavors and where addition of tang to the flavor is undesirable.
Its aqueous solutions have the lowest acidity of any of the common food acids. For concentrations from 0.5 to 2.4 g/100 mL, the pH of its solution varies less than half a unit. Hence, it can be used as a buffering agent to maintain acidities within the range of 2.5 to 3.0. This is highly desirable in certain foods, yet the pH is low enough to inhibit the browning of most fruits and other foodstuffs.
    Regulatory Status:
CoE: Approved
FDA: 21 CFR 131.111, 184.1009, 582.1009
FDA (other): n/a
JECFA:ADI: 0–5 mg/kg bw (1977). No safety concern when used at current levels as a flavoring agent (1999).

Reported uses (ppm): (FEMA, 1994)
Food Category  Usual  Max. 
Alcoholic beverages  40 40
Baked goods  0.04 0.13
Condiments, relishes  14.01 14.09
Fats, oils  2700 2700
Gelatins, puddings  3.4 4
Gravies  0.75 1
Imitation dairy  4250 4250
Instant coffee, tea  0.01 0.04
Meat products  2.67 2.67
Nonalcoholic beverages  0.04 0.05
Poultry  0.15 0.15
Snack foods  0.5 1.86
  Natural occurrence: Reported found as a minor constituent in butter, and has been found in other fats as a product of oxidative rancidity. It also occurs in beet juice, pork fat, guava fruit (Psidium guajava L.), papaya (Carica papaya L.) and raspberry (Rubus idaeus L.).

Reactivity Profile

Adipic acid is a carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. Even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in Adipic acid to corrode or dissolve iron, steel, and aluminum parts and containers. Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide. Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions. Behavior in Fire: Melts and may decompose to give volatile acidic vapors of valeric acid and other substances.

124-04-9 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
USP (1012190)  Adipicacid  United States Pharmacopeia (USP) Reference Standard 124-04-9 1012190-100MG 4,647.24CNY Detail
Sigma-Aldrich (Y0000110)  Adipicacid  European Pharmacopoeia (EP) Reference Standard 124-04-9 Y0000110 1,880.19CNY Detail
Sigma (09582)  Adipicacid  BioXtra, ≥99.5% (HPLC) 124-04-9 09582-250G 358.02CNY Detail
Sigma (09582)  Adipicacid  BioXtra, ≥99.5% (HPLC) 124-04-9 09582-50G 256.23CNY Detail
Sigma-Aldrich (89143)  Adipicacid  certified reference material, TraceCERT® 124-04-9 89143-100MG 329.94CNY Detail
Alfa Aesar (A13705)  Adipic acid, 99%    124-04-9 25000g 3740.0CNY Detail
Alfa Aesar (A13705)  Adipic acid, 99%    124-04-9 5000g 927.0CNY Detail
Alfa Aesar (A13705)  Adipic acid, 99%    124-04-9 1000g 350.0CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017


1.1 GHS Product identifier

Product name adipic acid

1.2 Other means of identification

Product number -
Other names Hexanedioic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Processing Aids and Additives
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:124-04-9 SDS

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