Product Name
L-Cysteine Hydrochloride
CAS Number
7048-04-6
Molecular Formula
C3H8ClNO2S
Appearance
White crystalline powder or colorless crystals
Description
L-Cysteine Hydrochloride is a hydrochloride salt form of L-Cysteine, a sulfur-containing amino acid with strong reducing and antioxidative properties. It is highly soluble in water and widely used in pharmaceuticals, food processing, cosmetics, and animal nutrition. Its ability to break down disulfide bonds makes it useful in various biochemical and industrial applications.
Uses
Pharmaceutical Applications
Used as a mucolytic agent to break down mucus in respiratory conditions such as chronic bronchitis and cystic fibrosis.
Serves as a precursor in the synthesis of glutathione, an important antioxidant that supports liver detoxification and immune function.
Included in parenteral nutrition formulations to promote protein synthesis and wound healing.
01
Food Industry
Used as a dough conditioner in bakery products to improve dough elasticity and reduce mixing time.
Acts as a flavor enhancer in food processing, particularly in meat and poultry products.
Functions as an antioxidant to prevent oxidation in food and beverages.
02
Cosmetic & Personal Care
Incorporated in hair treatments and perms due to its ability to modify keratin structure.
Used in skin care products for its antioxidant properties, helping to protect against oxidative stress and aging.
03
Animal Feed & Nutrition
Added to animal feed to promote growth and improve overall health by enhancing protein metabolism.
Supports the development of strong hooves and skin in livestock.
04
Quality Standards
- Standards: Conforms to USP and EP
- Purity: ≥ 98%
- Heavy Metals: Lead ≤ 10 ppm, Arsenic ≤ 1 ppm, Cadmium ≤ 1 ppm
- Loss on Drying: ≤ 1.0%
- Microbial Limits: Total Plate Count ≤ 1000 cfu/g, E. coli Negative, Salmonella Negative
Storage Conditions
- Store in a tightly sealed container in a cool, dry place.
- Keep away from light, heat, and moisture to prevent degradation.
- Recommended storage temperature: 15-25°C.
References：
https://www.ncbi.nlm.nih.gov/search/all/?term=L-Cysteine+Hydrochloride
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