Acidulants
L(+)-Tartaric Acid
- CAS No:87-69-4
- Qty in 20' FCL:20MT
- Product description: L(+)-Tartaric Acid
L(+)-Tartaric acid is colorless or translucent crystals, or a white, fine granular, crystalline powder. It is odorless, has an acid taste, and is stable in air.
L(+)-Tartaric acid is widely used as acidulant in beverage and other foods. With its optical activity, L(+)-Tartaric acid is used as chemical resolving agent to resolve DL-amino-butanol, an intermediate for antitubercular drug. And it is used as chiral pool to synthesize tartrate derivatives. With its acidity, it is used as catalyst in the resin finishing of polyester fabric or pH value regulator in oryzanol production. With its complexation, L(+)-Tartaric acid is used in electroplating, sulfur removal and acid pickling.
ITEM
STANDARD
Appearance
White powder
Purity(as c4h6o6)
99.5 -100.5%
Specific rotation(20 ℃)
+12.0 ° --- +13.0 °
Heavy metals( as pb)
10 ppm max
Residue on ignition
0.05% max
Arsenic(as as)
3 ppm max
Loss on drying
0.2% max
Chloride
100 ppm max
Sulfate
150 ppm max
Oxalate
350 ppm max
Calcium
200 ppm max
Water solution clarity
Conforms to the STANDARD
Color
Conforms to the STANDARD
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