Food Amino Acid Supplement USP/Ep/Bp L-Cysteine CAS 52-90-4 L-Cysteine

• Type: Lysine
• Chemical Character: Acidity
• Appearance: Powder
• Model NO.: L-Cysteine
• COA: Available
• MSDS: Available
• Melting Point: 220ºC
• Solubility in Water: 280 G/L (25ºC)
• Transport Package: 25kg/Fiber Drum
• Specification: 99.0%min
• Trademark: ZH
• Origin: China
• HS Code: 29309012
• Production Capacity: 100mt/Year

Product Description

Product Description

L-Cysteine

CAS No.: 52-90-4

Molecular Formula:C3H7NO2S

Molecular Weight:121.15

EINECS No.:200-158-2

Alias:Cysteine, L-; L-(+)-Cysteine; L-Alanine, 3-mercapto-; L-Cys; NSC 8746; L-Cysteine; (+)-2-Amino-3-mercaptopropionic acid; L-beta-mercaptoalanine; L-Cysteine Free Base Crystalline; (S)-(-)-Cysteine; L-Cysteine Base; H-Cys-OH; L(+)-Cysteine

Application:L-Cysteine is a non-essential amino acid important for making protein, and for other metabolic functions. It's found in beta-keratin. This is the main protein in nails, skin, and hair. Cysteine is important for making collagen. It affects skin elasticity and texture. Cysteine has antioxidant properties.

Package:1kg/bag or 25kg/fiber drum or bag or at clients' request

Storage: in cool and dry places
Standard: AJI

L-Cysteine	AJI92
Appearance	White crystals or crystalline powder
Identification	Conforms
Specific rotation	+8.3°~ +9.5°
State of solution	≥95.0%
Chloride(Cl)	≤0.04%
Ammonium(NH4)	≤0.02%
Sulfate (SO4)	≤0.030%
Iron(Fe)	≤10ppm
Heavy metals ( Pb)	≤10ppm
Arsenic(As2O3)	≤1ppm
Other amino acids	Conforms
Loss on drying	≤0.5%
Residue on ignition	≤0.1%
Assay	98.0%~ 101.0%
pH	4.5~5.5

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