Finoric LLC

Adipic Acid

Adipic Acid Supplier Manufacturers and Manufacturers' Representative

CAS number: 124-04-9
Chemical Formula: C6H10O4

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DESCRIPTION

Adipic acid or Hexanedioic acid is the organic compound with the formula (CH2)4(COOH)2. Adipic acid otherwise rarely occurs in nature, but it is known as manufactured E number food additive E355. Adipic acid has been incorporated into controlled-release formulation matrix tablets to obtain pH-independent release for both weakly basic and weakly acidic drugs. significant amounts of adipic acid are used as a food ingredient as a flavorant and gelling aid.

Adipic Acid USP NF Grade
Formula: C6H10O4
Weight: 146.1
Hexanedioic acid.
1,4-Butanedicarboxylic acid [CAS Number 124-04-9].

Adipic Acid contains not less than 99.0 percent and not more than 101.0 percent of C6H10O4, calculated on the dried basis.

Packaging and storage: Preserve in a tight container. No storage requirements specified.
Identification: Infrared Absorption 197K .
Melting range: between 151C and 154C.
Loss on drying: Dry it at 105C to constant weight: it loses not more than 0.2% of its weight.
Residue on ignition: not more than 0.1%.
Limit of nitrates: To pass the test
Chloride: A 5-mL portion of the Test solution from the Limit of nitrates test shows no more chloride than a corresponding 0.14-mL portion of 0.020 N hydrochloric acid: the limit is 0.02%.
Sulfate: A 5-mL portion of the Test solution from the Limit of nitrates test shows no more sulfate than a corresponding 0.26-mL portion of 0.020 N sulfuric acid: the limit is 0.05%.
Iron: Use a 10-mL portion of the Test solution from the Limit of nitrates test: the limit is 0.001%.
Heavy metals: 0.001%.
AssayDissolve 60 mg of Adipic Acid in 50 mL of water. Add 0.2 mL of PhPh, and titrate with 0.1 N sodium hydroxide VS to a permanent pale pink endpoint. Each mL of 0.1 N sodium hydroxide is equivalent to 7.31 mg of C6H10O4.

Adipic Acid FCC Food Grade
Hexanedioic Acid; 1,4-Butanedicarboxylic Acid
HOOC(CH2)4COOH
Formula: C6H10O4
Weight: 146.14
INS: 355
CAS: [124-04-9]

DESCRIPTION
Adipic Acid occurs as white crystals or a crystalline powder. It is not hygroscopic. It is freely soluble in alcohol, soluble in acetone, and slightly soluble in water.
Function: Buffer; neutralizing agent.

REQUIREMENTS
Assay: Not less than 99.6% and not more than 101.0% of C6H10O4, calculated on the anhydrous basis.
Lead: Not more than 2 mg/kg.
Melting Range: Between 151.5° and 154°.
Residue on Ignition: Not more than 0.002%.
Water: Not more than 0.2%.

Adipic Acid BP Grade
Ph Eur
Formula: C6H10O4
Weight: 146.1
CAS Number: 124-04-9
Action and use: Excipient.

DEFINITION
Hexanedioic acid.
Content: 99.0 per cent to 101.0 per cent (dried substance).

CHARACTERS
Appearance: White or almost white, crystalline powder.
Solubility: Sparingly soluble in water, soluble in boiling water, freely soluble in alcohol and in methanol, soluble in acetone.

IDENTIFICATION
A. Melting point: 151C to 154C.
B. Infrared absorption spectrophotometry.

TESTS
Solution S: Dissolve 5.0 g with heating in distilled water and dilute to 50 ml with the same solvent. Allow to cool and to crystallize. Filter through a sintered-glass filter (40). Wash the filter with distilled water. Collect the filtrate and the washings until a volume of 50 ml is obtained.
Appearance of solution: The solution is clear and colourless.
Dissolve 1.0 g in methanol R and dilute to 20 ml with the same solvent.
Related substances: Liquid chromatography To pass the test.
Chlorides: Maximum 200 ppm.
Nitrates: Maximum 30 ppm.
Sulphates: Maximum 500 ppm.
Iron: Maximum 10 ppm.
Heavy metals: Maximum 10 ppm.
Loss on drying: Maximum 0.2 per cent, determined on 1.000 g by drying in an oven at 105C.
Sulphated ash: Maximum 0.1 per cent.

ASSAY
Dissolve 60.0 mg in 50 ml of water. Add 0.2 ml of PhPh solution and titrate with 0.1 M sodium hydroxide. 1 ml of 0.1 M sodium hydroxide is equivalent to 7.31 mg of C6H10O4.

IMPURITIES
HO2C-R
A. R = CH2-CO2H: pentanedioic acid (glutaric acid),
B. R = CO2H: butanedioic acid (succinic acid),
C. R = [CH2]3-CO2H: heptanedioic acid (pimelic acid).


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