
CAS No.:187-69-4
Tartaric Acid
Molecular formula: C4H6O6
Molecular weight: 150.09 g/mol
CAS No.: 87-69-4
HS code: 2918120000
Category: Food acidulant
Properties:L(+)-tartaric acid is colorless translucent crystal or white powder with sour taste. It is widely used as a sour agent in beverages and other foods, mainly as a sour agent, splitting agent and pharmaceutical raw material.
Application
① In terms of food, L(+)-tartaric acid is widely used as a sour agent in beverages and other foods, and is used in wine, soft drinks, candy, bread, and certain colloidal sweets.
② Using its optical activity, L(+)-tartaric acid can be used as a chemical resolution agent for the resolution of DL-aminobutanol, an intermediate of anti-tuberculosis drugs.
③ Using its acidity, L(+)-tartaric acid can be used as a catalyst for polyester fabric resin and a pH regulator for oryzanol production.
④ Utilizing its complexing properties, L(+)-tartaric acid can be used as complexing agent, masking agent, chelating agent, anti-dyeing agent in printing and dyeing, cleaning of metal surface in electroplating, desulfurization, pickling and chemical analysis, medical inspection polishes and polishes.
⑤ Utilizing its reducibility, L(+)-tartaric acid can be used as a reducing agent for chemical mirror making and a photographic developer.
⑥ L(+)-tartaric acid can also be used as a chiral raw material for the synthesis of tartaric acid derivatives and the tanning industry.
Certificates:
ISO9001, FSSC, HALAL, KOSHER
Specification
Index Name | Pharmaceutical grade (USP24) | Pharmaceutical grade (BP98) | Food grade (FCCIV) |
Assay (C4H4O6 Dry) | 99.5-100.5% | 99.5-100.5% | ≥99.7% |
Specific Rotation [a]D(25°C) | +12°C~+13°C | +12.0°C~+12.80°C | +12°C~+13°C |
Heavy metal(as Pb ) | ≤0.001% | ≤0.001% | ≤10mg/kg |
Oxalate test | ≤110PPM | ≤110PPM | ≤110PPM |
Residue on ignition | ≤0.1% | / | ≤0.05% |
Sulfate(SO4) | in accordance with USP24 | ≤0.015% | in accordance with FCCIV |
Loss on drying | ≤0.5% | ≤0.2% | ≤0.5% |
Chloride (CL) | in accordance with USP24 | ≤0.01% | / |