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L-Cysteine HCL monohydrate is kind of amino acid synthesized by human boday in normal physiological conditions with characters of semi-essential and sulfur containing. It is the hydrochloride salt of L-cysteine and also is an important component in protein synthesis.
As an antioxidants, L-Cysteine HCL monohydrate is helpful for immune system. It is an important nutrition supplement which can improve immunity and health metabolic system.
TNJ Chemical supply goog quality L-cysteine HCl monohydrate for more than 15 years and enjoy good reputation from customers around the world. Our L-cysteine HCl monohydrate can be used in the fields of Food, Pharmaceuticals, Cosmetics and Feed industry.
Appearance White to slight yellow crystalline or crystalline powder
Melting Point 260 °C (dec.)
Boiling Point 91 °C
Density 0.868 g/cm3
Specification of L-Cysteine HCL monohydrate
Item |
AJI Standard |
USP Standard |
CP2000 |
Appearance |
White crystal or white powder |
||
Test |
infrared absorption spectrum |
||
specific rotation |
+5.5°- +7.0° |
+5.7°- +6.8° |
+5.5°- +7.0° |
Solution |
≥ 98.0% |
--- |
≥ 98.0% |
CL |
19.89 – 20.29% |
--- |
19.8 – 20.8% |
NH4 |
≤ 0.02% |
--- |
--- |
SO4 |
≤ 0.020% |
≤ 0.03% |
≤ 0.02% |
Fe |
≤ 10PPm |
≤ 30PPm |
≤ 10PPm |
Heavy metal (Pb) |
≤ 10PPm |
≤ 15PPm |
≤ 10PPm |
As2O3 |
≤ 1PPm |
--- |
≤ 1PPm |
other |
--- |
--- |
≤ 0.5% |
Loss on drying |
8.5 - 12.0% |
8.0 - 12.0% |
8.0 - 12.0% |
Sulfated ash |
≤ 0.10% |
≤ 0.4% |
≤ 0.1% |
purity |
99.0-100.5% |
98.5-101.5% |
≥ 98.5% |
PH |
1.5 - 2.0 |
--- |
1.5 - 2.0 |
Application of L-Cysteine HCL monohydrate
Food & Feed application: Bread (flour) improver, Nutritional supplement, Antioxidants, Stablizer, Color protecting;
Medicine grade: Used in the treatment of : radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and to prevent liver degenerationCosmetics additive: Skin whitening, Anti-aging, Hair perm essence, Sunscreen, Germinal perfume, Hair essence etc.
Packing of L-Cysteine HCL monohydrate
25kg/cardboared drum, 7,000kg/20"FCL
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