L-Cysteine HCl Monohydrate CAS 7048-04-6

L-Cysteine HCL Monohydrate Cas 7048-04-61.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.
ItemsSpecificationsAppearanceWhite crystalline powderAssay %99.0~102.0Specific rotation+5.0°~+8.0°State of solution, %≥ 98.0Chloride(as Cl),%19.89~20.29Ammonium (as NH4),%≤ 0.02Sulphate (as SO4),%≤ 0.020Iron(as Fe), ppm≤ 10Heavy metals (as Pb), ppm≤ 10Arsenic(as As2O3), ppm≤ 1Other amino acidsmeets the requirementsLoss on drying, %8.5~12.0pH value (1.0g/20mL water)1.5~2.0