Acetic Acid Solution n Acetic Acid Glacial Specifications of Commercial Pure & BP Ph Eur USP NF Analytical Reagent FCC Food Grade Manufacturers & Exporters
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Acetic Acid Solution n Acetic Acid Glacial CAS Number 64-19-7
Acetic Acid, Glacial FCC Food Grade Specifications
C2H4O2 Formula weight 60.05
INS: 260 --- CAS 64-19-7
FEMA: 2006
DESCRIPTION
Acetic Acid, Glacial, occurs as a clear, colorless liquid. It boils at about 118C. When well diluted with water (e.g., 1:100), it has a vinegar odor and taste. It is miscible with water, with alcohol, and with glycerin.
Function:Acidifier; flavoring agent.
REQUIREMENTS
Identification: A 1:3 aqueous solution gives positive tests for Acetate.
Assay: Not less than 99.5% and not more than 100.5%, by weight, of C2H4O2.
Lead: Not more than 0.5 mg/kg.
Nonvolatile Residue: Not more than 0.005%.
Readily Oxidizable Substances: Passes test.
Solidification Point: Not cooler than 15.6C.
Acetic Acid, Glacial Analytical Reagent Grade Specifications:
CH3COOH --- Formula Weight 60.05
CAS Number 64-19-7
REQUIREMENTS
Assay: 99.7% CH3COOH
MAXIMUM ALLOWABLE
Color (APHA): 10
Dilution test: Passes test
Residue after evaporation: 0.001%
Acetic anhydride [(CH3CO)2O]: 0.01%
Chloride (Cl): 1 ppm
Sulfate (SO4): 1 ppm
Heavy metals (as Pb): 0.5 ppm
Iron (Fe): 0.2 ppm
Substances reducing dichromate: Passes test
Substances reducing permanganate: Passes test
Titrable base: 0.0004 meq/g.
Glacial Acetic Acid BP Ph Eur Grade Specifications
Ph Eur -- C2H4O2 -- 60.1 -- CAS 64-19-7
DEFINITION
Content: 99.0 per cent m/m to 100.5 per cent m/m.
CHARACTERS
Appearance: Crystalline mass or clear, colourless, volatile liquid.
Solubility: Miscible with water, with ethanol (96 per cent) and with methylene chloride.
IDENTIFICATION
A. A 100 g/L solution is strongly acid (2.2.4).
B. To 0.03 mL add 3 mL of water R and neutralise with dilute sodium hydroxide solution R. The solution gives reaction (b) of acetates (2.3.1).
TESTS
Solution S: Dilute 20 mL to 100 mL with distilled water.
Appearance: The substance to be examined is clear and colourless.
Freezing point: Minimum 14.8C.
Reducing substances: To 5.0 mL add 10.0 mL of water and mix. To 5.0 mL of this solution add 6 mL of sulfuric acid, cool and add 2.0 mL of 0.0167 M potassium dichromate. Allow to stand for 1 min and add 25 mL of water and 1 mL of a freshly prepared 100 g/L solution of potassium iodide. Titrate with 0.1 M sodium thiosulfate, using 1.0 mL of starch solution as indicator. Not less than 1.0 mL of 0.1 M sodium thiosulfate solution is required.
Chlorides: Maximum 25 mg/L.
Sulfates: Maximum 50 mg/L, determined on solution S.
Iron: Maximum 5 ppm.
Heavy metals: Maximum 5 ppm.
Residue on evaporation: Maximum 0.01 per cent.
Evaporate 20 g to dryness on a water-bath and dry at 100-105 °C. The residue weighs a maximum of 2.0 mg.
Glacial Acetic Acid USP Grade Specifications:
C2H4O2 --- 60.05
Acetic acid CAS 64-19-7
DEFINITION
Glacial Acetic Acid contains NLT 99.5% and NMT 100.5%, by weight, of C2H4O2.
IDENTIFICATION
Identification Tests—General, Acetate: Meets the requirements
Limit of Nonvolatile Residue: Evaporate 20 mL in a tared dish, and dry at 105C for 1 h: the weight of the residue does not exceed 1.0 mg.
Chloride and Sulfate, Chloride:
Sample solution: Dilute 1.0 mL with 20 mL of water.
Analysis: Add 5 drops of silver nitrate TS.
Acceptance criteria: No opalescence is produced.
Chloride and Sulfate, Sulfate:
Sample solution: Dilute 1.0 mL with 10 mL of water.
Analysis: Add 1 mL of barium chloride TS.
Acceptance criteria: No turbidity is produced.
Readily Oxidizable Substances:
Sample solution: Dilute 2.0 mL in a glass-stoppered vessel with 10 mL of water.
Analysis: Add 0.10 mL of 0.10 N potassium permanganate.
Acceptance criteria: The pink color is not changed to brown within 2 h.
Congealing Temperature: NLT 15.6C.
Acetic Acid Solution NF Grade Specifications:
Acetic acid;
Acetic acid CAS 64-19-7
DEFINITION
Acetic Acid is a solution containing NLT 36.0% and NMT 37.0%, by weight, of C2H4O2 .
IDENTIFICATION
A. Identification Tests—General, Acetate: Meets the requirements
Nonvolatile Residue:
Analysis: Evaporate 20 mL in a tared porcelain dish on a steam bath, and dry at 105C for 1 h.
Acceptance criteria: The weight of the residue does not exceed 1.0 mg (0.005%).
Chloride:
Sample solution: Acetic acid (1 in 10) in water
Analysis: To 10 mL of the Sample solution add 5 drops of silver nitrate TS.
Acceptance criteria: No opalescence is produced.
Sulfate:
Sample solution: Acetic acid (1 in 10) in water.
Analysis: To 10 mL of the Sample solution add 5 drops of barium chloride TS.
Acceptance criteria: No turbidity is produced.
Readily Oxidizable Substances:
Analysis: Dilute 4.0 mL in a glass-stoppered vessel with 20 mL of water, and add 0.30 mL of 0.10 N potassium permanganate.
Acceptance criteria: The pink color is not changed to brown at once, and the liquid does not become entirely brown or free from a pink tint in less than 30s.
In cold countries, people often avoid buying Acetic Acid Glacial nd buy Acetic Acid Solution. Solution can be offered from 30% to 80% active, to avoid freezing.
SDS MSDS of Acetic Acid Solution n Acetic Acid Glacial BP Ph Eur EP JP USP NF IP ACS Analytical Reagent FCC Food grade Manufacturers |
