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PRODUCTS >> Fine organic chemicals

L(+)-tartaric acid

Formula: C4H6O6
Molecular Weight: 150.09
CAS #: 87-69-4
Synonyms:  L(+)-dihyroxy succinic acid; L(+)-2,3-dihydroxy butanedioic acid
Description: colorless crystal or white crystalline powder
Specifications:

item

BP98

FCC4

USP24

assay(on drying basis) %

99.5-100.5

≥99.7

99.5-100.5

specific rotation [a]D(25°C) º

+12~+12.8

+12~+13

+12~+13

heavy metals(as Pb) % ≤

0.001

0.001

0.001

oxalate % ≤

0.011

0.011

0.011

sulfate % ≤

0.015

pass

pass

loss on drying % ≤

0.2

0.5

0.5

residue on ignition % ≤

-

0.05

0.10

chloride % ≤

0.1

-

pass

Application:

it is widely used as acidulant in beverage,and other foods.
It is also 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. It is also used as complexing agent, screening agent or chelating agent in chemical analysis and pharmaceutical inspection, or as resist agent in dyeing.
With its reduction, it is used as reductive agent in manufacturing mirror chemically or imaging agent in photography. It can also complex with metal ion and can be used as cleaning agent or polishing agent of metal surface.

Packing: 25kg net bag or 1mt net tote bag or per customer’s request.
 
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