Oilfield Chemicals:Tetrakis hydroxymethyl phosphonium sulphate (THPS)|Polyaspartic acid Potassium salt|Cenospheres|Welan Gum-Water Treament Chemicals:1,2,3-Benzotrialole (BTA)|DBNPA|Polyacrylic Acid (PAA)|Ammonium Bisulfite 54% (ABS)- Fine Chemicals:Cinnamic Acid|Arbutin|Guanidine hydrochloride|Tert-Amyl alcohol-Phosphates:Sodium Hypophosphite|Sodium Tripolyphosphate(STPP)|Tetrakis(hydroxymethyl)phosphonium chloride (THPC)|Sodium Hexametaphosphate(SHMP) ---Shanghai Rich Chemicals Co., Ltd.

Products > Fine Chemicals & Pharmaceutical Intermediates

R(+) alpha-lipoic acid

Formula:

C₈H₁₄O₂S₂

Molecular Weight:

206.33

CAS NO.:

1200-22-2

Description:

pale yellow crystal

Specifications:

assay(by HPLC):	99.0% min.
melting point:	46-49°C
cyclohexane:	0.388% max.
specific optical rotation(C=1,ethanol):	+100º~ +120º
loss on drying:	0.5% max.
residue on ignition:	0.1% max.
heavy metals:	10ppm max.
total microbial count:	1000/g max.
moulds&yeast:	100/g max.
E. coli:	negative
salmonella:	negative

Application:

used as antioxidant

Packing:

25kg net cartons/or fibre drums.