D-Lactic acid

Description

D-Lactic acid 90% (CRG) is the natural D (-) lactic acid, which is produced by bio-fermentation from grain starch. It is colorless or yellowish, nearly odorless, syrupy liquid having a slight acid taste. It is hygroscopic, and all soluble in water, ethanol or ether, but insoluble in chloroform.

Information

Chemical name

D(R)-2-hydroxypropionic acid

Molecular formula

CH3CH(OH)COOH

Molecular weight

90.08

CAS

10326-41-7

Packing

polyethylene drum, net 250kg or 25kg per drum

Specification

Odor

Agreeable

Assay,w/w%

89.0~91.0

Density(20℃),g/ml

1.20~1.22

Color, APHA

≤25

Methanol, v/w%

≤0.2

Chloride,%

≤0.001

Sulphate,%

≤0.001

Heavy metals total,%

≤0.0005

Stereochemical purity,%

≥98.0