L-CYSTEINE,CAS:52-90-4

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Product Name: L-CYSTEINE,CAS:52-90-4
Cas No.: 52-90-4
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　L-CYSTEINE,CAS:52-90-4

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　52-90-4

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L-Cysteine Basic information

Product Name:	L-Cysteine
Synonyms:	(R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin;alpha-amino-beta-mercaptopropionicacid;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid;Cystein;half-cysteine;L-Alanine, 3-mercapto-
CAS:	52-90-4
MF:	C3H7NO2S
MW:	121.16
EINECS:	200-158-2
Product Categories:	API intermediates;Cysteine [Cys, C];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Antioxidant;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino
Mol File:	52-90-4.mol

L-Cysteine Chemical Properties

mp	220 °C (dec.)(lit.)
alpha	8.75 º (c=12, 2N HCl)
FEMA	3263
refractive index	8.8 ° (C=8, 1mol/L HCl)
storage temp.	Store at RT.
solubility	H₂O: 25 mg/mL
Water Solubility	280 g/L (25 ºC)
Sensitive	Air Sensitive
Merck	14,2781
BRN	1721408
Stability:	Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases.
CAS DataBase Reference	52-90-4(CAS DataBase Reference)
NIST Chemistry Reference	L-Cysteine(52-90-4)
EPA Substance Registry System	L-Cysteine(52-90-4)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	22-36/37/38-20/21/22
Safety Statements	36-37/39-26
WGK Germany	3
RTECS	HA1600000
F	10-23
HS Code	29309012
Hazardous Substances Data	52-90-4(Hazardous Substances Data)