L-Cysteine HCl Anhydrous

Specifications L-Cysteine HCl Anhydrous

1.CAS No.:52-89-1

2.Free sample for quality-testing.

3.Food grade.

L-Cysteine HCl Anhydrous Applications
1.Food grade: flour improver, nutritional supplement, antioxidants
2.Medicine grade: In pharmacy, used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration  
3.Cosmetics additive: whiting skin, dissolving cutin, anti-aging. The component of cosmetics marcel extract, sunscreen, germinal perfume, hair essence

L-Cysteine HCl Anhydrous Specifications

ITEM	STANDARD
Specific rotation[a]D20°	+5.6°~+8.9°
State of solution	≥98.0%
Identification	Infrared absorption spectrum
Chloride(Cl)	22.30~22.6%
Ammonium(NH4)	≤0.02%
Sulfate(SO4)	≤0.020%
Iron(Fe)	≤10 PPM
Heavy metals(Pb)	≤10 PPM
Arsenic(As2O3)	≤1PPM
Other amino acids	Chromatographically not detectable
Loss on drying	≤ 1.0
Residue on ignition	≤0.10%
Assay	98.0-102.0%
PH	1.5~2.0