Detailed Product Description

CBH-Cysteine is an important amino acid making up of proteins in the form of cystine. Cysteine also helps to detoxify harmful toxins, thereby protecting and preserving the cells. It is a powerful antioxidant, especially, combined with Vitamins C and B1. Cysteine is widely used in food and feed industry as an important additive. Specifications: AJI97 1) Specific rotation: +6.1 degrees ~ +7.8 degrees 2) State of solution (transmittance): 98% min., clear and colorless 3) Chloride (as Cl): 19. 9% ~ 20. 3% 4) Ammonium (as nh4+): 0. 02% max. 5) Sulfate (as So42-): 0. 02% max. 6) Iron (as Fe): 10ppm max. 7) Heavy metals (as Pb): 10ppm max. 8) Arsenic (as As2O3): 1ppm max. 9) Other amino acid: chromatographically not detection 10) Loss on drying: 8. 5% ~ 12. 0% 11) Loss on ignition: 0. 1% max. 12) Assay: 98. 5% ~ 100. 5% 13) Ph: 1. 5 ~ 2. 0 14) Organic volatile impurity: -- 15) Meet the requirement: -- 16) Appearance: white crystal or crystalline powder USP24 1) Specific rotation: +5.7 degrees ~ + 6.8 degrees 2) State of solution (transmittance): -- 3) Chloride (as Cl): 19.0% ~ 19.6% 4) Ammonium (as NH4+): -- 5) Sulfate (as So42-): 0. 03% max. 6) Iron (as Fe): 30ppm max 7) Heavy metals (as Pb): 15ppm max. 8) Arsenic (as As2O3): -- 9) Other amino acid: -- 10) Loss on drying: 8. 0% ~ 12. 0% 11) Loss on ignition: 0. 1% max. 12) Assay: 98.5% ~ 101.5% 13) pH: -- 14) Organic volatile impurity: meet the requirement 15) Appearance: white crystal or crystalline powder BP98 1) Specific rotation: +5.5 degrees ~ +7.0 degrees 2) State of solution(transmittance): meet the requirement(appearance of solution) 3) Chloride (as Cl): -- 4) Ammonium (as NH4+): 0. 02% max. 5) Sulfate (as so42-): 0. 03% max. 6) Iron (as Fe): 20ppm max. 7) Heavy metals (as Pb): 10ppm max. 8) Arsenic (as As2O3): -- 9) Other amino acid: meet the requirement (ninhydrin-positive substances) 10) Loss on drying: 8. 0% ~ 12. 0% 11) Loss on ignition: 0. 1% max. 12) Assay: 98. 5% ~ 101. 0% 13) pH: -- 14) Organic volatile impurity: -- 15) Appearance: white crystal or crystalline powder Packaging: net weight 25kg fiber drums (polyethylene inner bag). Storage: store in a cool, dry, ventilated area. At temperature below 25 degree and less than 65% RH Shelf life: 1 year in dry conditions after production