L (+)- Tartaric Acid

Chemical Name: L(+)-2,3-dihydroxy butanedioic acid
Structural Formula:
Molecular Formula:C4H6O6
Molecular Weight: 150.1
CAS NO.: 87-69-4

Properties:
L-tartaric acid is colorless or white crystalline powder. Stable in air and very soluble in water and alcohol, insoluble in chloroform.

Application:
L (+)- tartaric acid is used as acidulant for many drinks ans foods such as soft drinks, candies, bread and so on. Due to its optical activity, L (+)- tartaric acid can also be used as resolving agent. In chemical industry, it can be used to produce tartaric salts and tartaric ester and as masking agent for metal ion. L (+)- tartaric acid is also used as resist agent in textile industry.       


Specifications:

Item	L-tartaric acid BP98	FCC (IV)
Clarity ad color solution	Up to standard	-
Specific optical rotation(C=20,) [a]D20	+12 ° - +12.8 °	+12.0 ° - +13.0 °
Assay % ≥	99.5-101.0	99.7-100.5
Loss on drying % ≤	0.2	0.5
Heavy metals %≤	0.001	0.001
Sulphated ash %≤	0.1	0.05
Oxalate	0.035	Up to standard
Sulphate	0.015	Up to standard
Chlorides (Cl)% ≤	0.01	-
Calcium (Ca)%≤	0.02	-

Package & Storage:
L-Tartaric Acid is packed in 25kg paper bags and it should be kept in a dry and cool place.