L-Cysteine hydrochloride hydrate(CAS: 7048-04-6)

L-Cysteine hydrochloride hydrate is a white crystalline amino acid salt with the chemical formula C3H7NO2SH2Cl·H2O. It is commonly used as a reducing agent and exhibits solubility in water. Its hygroscopic nature and molecular weight of approximately 168.5 g/mol make it a versatile compound in various applications.

L-Cysteine hydrochloride hydrate is widely used in pharmaceuticals as an excipient and in drug formulation. It also serves as a flavor enhancer in food products and a nutritional supplement. In industrial settings, it functions as a chelating agent and is utilized in cosmetics. Researchers employ it for biochemical studies and as a reagent in protein stabilization processes.

L-Cysteine hydrochloride hydrate is generally considered safe when used within recommended amounts. However, handling precautions include wearing gloves and ensuring adequate ventilation to avoid skin or respiratory irritation. Safety standards emphasize adherence to OSHA guidelines, and high ingestion levels may cause gastrointestinal discomfort, necessitating proper storage and use.

L-Cysteine hydrochloride hydrate should be stored in a cool, dry, and dark place to maintain stability. It requires airtight containers, preferably made of glass or polyethylene, to prevent moisture absorption. Avoid exposure to light and high humidity to ensure longevity and effectiveness of the compound.