L-Cysteine Hydrochloride, Monohydrate, USP is a semi-essential amino acid and can be biosynthesized in humans. It is often used as a food additive. Its FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage and nutritional supplement applications.
Characters | Unit | Specification |
---|---|---|
Identity A (EP) | Correlates to test | |
Identity B (EP) | Correlates to test | |
Identity E (EP) | Correlates to test | |
Identity A (USP) | Correlates to test | |
Appearance of solution (EP) | Correlates to test | |
Impurity A at 570 nm (EP) | % | ≤ 0.5 |
Any ninhydrin positive substance (EP) | % | ≤ 0.2 |
Total Impurities (EP) | % | ≤ 1.0 |
Individual Impurities (USP) | % | ≤ 0.5 |
Total Impurities (USP) | % | ≤ 2.0 |
Assay (EP) | % | 98.5 - 101.0 |
Assay (USP) | % | 98.5 - 101.5 |
Residue on lgnition | % | ≤ 0.4 |
Sulphated Ash | % | ≤ 0.1 |
Ammonium | mg/kg | ≤ 200 |
Sulfate | mg/kg | ≤ 300 |
Iron | mg/kg | ≤ 20 |
Heavy Metals | mg/kg | ≤ 10 |
Specific optical rotation (EP) | o | 5.5 - 7.0 |
Specific optical rotation (USP) | o | 5.7 - 6.8 |
Loss on drying (EP) | % | 8.0 - 12.0 |
Loss on drying (USP) | % | 8.0 - 12.0 |
Bacteria Endotoxins | IU/g | ≤ 5 |
TAMC | CFU/g | ≤ 50 |
TYMC | CFU/g | ≤ 10 |
Escherichia coli | CFU/g | |
Staphylococcus aureus | CFU/g | |
Pseudomonas aeruginosa | CFU/g | |
Salmonella | CFU/10g |
Shelf Life/Retest Date: L-Cysteine HCL Monohydrate raw material can be kept for at least 2 years if stored in a cool and dry place
Storage/Shipping Conditions:
Pack Sizes: 100 gm