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L-Cysteine L-Cysteine Hydrochloride L-Cysteine Hydrochloride Monohydrate
L-Cysteine HCL Monohydrate Cas 7048-04-6
1.Food grade: flour improver, nutritional supplement, antioxidants.
2.Medicine grade: In pharmacy, Cysteine is used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration.
3.Comestic grade: whiting skin, dissolving cutin, anti-aging. The component of cosmetics marcel extract, sunscreen, germinal perfume, hair essence.
Items | Specifications |
Appearance | White crystalline powder |
Assay % | 99.0~102.0 |
Specific rotation | +5.0°~+8.0° |
State of solution, % | ≥ 98.0 |
Chloride(as Cl),% | 19.89~20.29 |
Ammonium (as NH4),% | ≤ 0.02 |
Sulphate (as SO4),% | ≤ 0.020 |
Iron(as Fe), ppm | ≤ 10 |
Heavy metals (as Pb), ppm | ≤ 10 |
Arsenic(as As2O3), ppm | ≤ 1 |
Other amino acids | meets the requirements |
Loss on drying, % | 8.5~12.0 |
pH value (1.0g/20mL water) | 1.5~2.0 |
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