产品名称

L-盐酸半胱氨酸(一水合物)

CAS NO

7048-04-6

中文别名

L-半胱氨酸盐酸盐(水合物);L-2-氨基-3-巯基丙酸盐酸盐(水合物);L-β-巯基丙氨酸盐酸盐(水合物);L-盐酸半胱氨酸一水物;L-半胱氨酸盐酸盐一水物;L-丰胱胺酸盐酸盐一水物;(R)-2-氨基-3-巯基丙酸盐酸盐;L(＋)-β-盐酸硫氢代丙氨酸;L(＋)-盐酸半膀胱氨基酸;L-半胱一水;L-一水半胱

英文名称

L-Cysteine,hydrochloride, hydrate (1:1:1)

英文别名

Cysteine,hydrochloride, monohydrate, L- (8CI); L-Cysteine, hydrochloride, monohydrate(9CI); Cysteine hydrochloride monohydrate

分子式

C₃H₇NO₂S.ClH.H₂O

分子量

175.63

EINECS

200-157-7

熔点

175°C

沸点

293.9oC at 760 mmHg

毒性

L-Cysteine HCL MONO	CAS NO：7048-4-6
Chemical Name	L-Cysteine HCL MONO
Molecular Structure
Molecular Formula	C3H7NO2S·HCL·H2O
Molecular Weight	175.63
Characteristics	White crystalline powder,tasteless,easily soluble in water but insoluble in alcohol ether
Packing	25㎏/drum，25㎏/carton
Quality  Standard	AJI92/USP28/EP5/FCCIV

Specification

Specific rotation[a]D20°		+5.5°～+7.0° +8.0 ～+10.1° Calc.as.cysteine
State of solution		Clear colorless
Heavy metals(Pb)		≤10PPm
Residue on ignition		≤0.1%
Iron(Fe)		≤10PPm
Loss on drying		8.5～12.0％
Other amino acids		Chromatographically not detectable
Arsenic(As2O3)		≤1PPm
Chloride(CI)		19.89～20.29％
Ammonium(NH4)		≤0.02%
Sulfate(SO4)		≤0.02%
Assay		99.0～100.5%
PH		1.5～2.0