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Factory Price Good Quality High Purity S-Carboxymethyl- L-Cysteineinee CAS NO 52-90-4 for Food Grade(FCC/AJI/USP)
Product Name: L-Cysteine
CAS NO.: 52-90-4
Appearance：White Crystalline Powder
Product Properties: Monoclinal or orthogonal crystal, melting point 178℃, [α]+26.5 (mol/L hydrochloric acid), imine taste, easily oxidized to cystine by air in neutral or slightly alkaline solution, stable in acidic environment, soluble in water, ethanol, acetic acid, insoluble in ether, acetone, ethyl acetate, benzene, carbon disulfide and carbon tetrachloride.
Packing：25kg per plastic bag or 25kg per iron drum
