Finoric LLC

Tartaric Acid

Tartaric Acid USP NF BP FCC Food ACS Reagent Grade Supplier, Manufacturer's Representative

CAS number : 526-83-0, 87-69-4
Chemical Formula: C4H6O6

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DESCRIPTION

Tartaric Acid USP NF Grade
Formula: C4H6O6
Weight: 150.09
Butanedioic acid, 2,3-dihydroxy-; Butanedioic acid, 2,3-dihydroxy-, [R-(R*,R*)]-.
Tartaric acid; L -(+)-Tartaric acid [CAS Number 526-83-0] and [CAS Number 87-69-4].

Tartaric Acid, dried over phosphorus pentoxide for 3 hours, contains not less than 99.7 percent and not more than 100.5 percent of C4H6O6.

Identification:
A: It responds to the tests for Tartrate.
B: When ignited, it gradually decomposes, emitting an odor resembling that of burning sugar
(distinction from citric acid).
Specific rotation: between +12.0 and +13.0 .
Test solution: 200 mg per mL, in water.
Loss on drying: Dry it over phosphorus pentoxide for 3 hours: it loses not more than 0.5% of its weight.
Residue on ignition: not more than 0.1%.
Limit of oxalate: Nearly neutralize 10 mL of a solution of it (1 in 10) with 6 N ammonium hydroxide, and add 10 mL of calcium sulfate TS: no turbidity is produced.
Sulfate: To 10 mL of a solution (1 in 100) add 3 drops of hydrochloric acid and 1 mL of barium chloride: no turbidity is produced.
Heavy metals: 0.001%.

Tartaric Acid BP Grade
Ph Eur
Formula: C4H6O6
Weight: 150.1
CAS Number: 87-69-4

DEFINITION
(2R,3R)-2,3-Dihydroxybutanedioic acid.
Content: 99.5 per cent to 101.0 per cent (dried substance).

CHARACTERS
Appearance: White or almost white, crystalline powder or colourless crystals.
Solubility: Very soluble in water, freely soluble in ethanol (96 per cent).

IDENTIFICATION
A. Solution S (see Tests) is strongly acid.
B. It gives the reactions of tartrates.

TESTS
Solution S: Dissolve 5.0 g in distilled water and dilute to 50 ml with the same solvent.
Appearance of solution: Solution S is clear and not more intensely coloured than reference solution.
Specific optical rotation: + 12.0 to + 12.8 (dried substance)
Oxalic acid:  Maximum 350 ppm, calculated as anhydrous oxalic acid.
Chlorides: Maximum 100 ppm.
Sulphates: Maximum 150 ppm.
Calcium: Maximum 200 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 105 °C
Sulphated ash: Maximum 0.1 per cent, determined on 1.0 g.

Tartaric Acid FCC Food Grade
L(+)-Tartaric Acid
Formula: C4H6O6
Weight: 150.09
CAS Number: 87-69-4
FEMA: 3044

DESCRIPTION
Tartaric Acid occurs as colorless or translucent crystals or as a white, fine to granular, crystalline powder. It is stable in air. One gram dissolves in 0.8 mL of water at 25°, in about 0.5 mL of boiling water, and in about 3 mL of alcohol. Its solutions are dextrorotatory.
Function: Acidifier; sequestrant; flavoring agent.

REQUIREMENTS
Identification :A sample solution gives positive tests for Tartrate.
Assay: Not less than 99.7% and not more than 100.5% of C4H6O6 after drying.
Lead: Not more than 2 mg/kg.
Loss on Drying: Not more than 0.5%.
Optical (Specific) Rotation: Between +12.0° and +13.0°.
Oxalate: Passes test.
Residue on Ignition: Not more than 0.05%.
Sulfate: Passes test.

Tartaric Acid ACS AR Analytical Reagent Grade
2,3-Dihydroxybutanedioic Acid
Formula: HOOC(CHOH)2COOH
Weight: 150.0
CAS Number: 87-69-4

REQUIREMENTS
Assay: Not less than 99.0%

MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Residue after ignition: 0.02%
Chloride (Cl): 0.001%
Oxalate (C2O4): Passes test
Phosphate (PO4): 0.001%
Sulfur compounds (as SO4): 0.002%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm


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