Our Company
Company News
Factory Photos
Food Additives
Pharm. Raw Materials
Mining Chemicals
Concrete Admixtures
Water Treatment Chemicals
Pigment
Other Chemicals
Contact Us
 
 
Pharm. Raw Materials

L-TRYPTOPHAN
CAS No: 73-22-3
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23

Appearance: White crystal or crystalline powder and material produced by fermentation technology.

Specification:

Items FCC IV USP24
Assay(on dry basis) 98.5% ~ 101.5% 98.5%~101.5%
Specific rotation -30.0~-33.0 -29.4~-32.8
Chloride(Cl) -- 0.05% max
Sulfate (SO4) -- 0.03% max
Iron(Fe) -- 0.003% max
Heavy metals (Pb) 20ppm max 15ppm max
Arsenic 1.5ppm max 1.5ppm max
Loss on drying 0.3% max 0.3 % max
Residue on ignition 0.1% max 0.1 % max
pH value -- 5.5 ~ 7.0

Package: In kraft paper bags or in fiber drum of 25KG net each.

Application: Used in pharmaceutical materials, food ingredients etc.

 



Copyright Sure Chemical Co., Ltd. Shijiazhuang All rights reserved | www.surechemical.com