L-Cysteine hydrochloride monohydrate, Ph. Eur., USP grade CAS 7048-04-6

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CAS: 7048-04-6

MF: C₃H₇NO₂S · HCl · H₂O

MW: 175.64

Product Categories	Amino Acids, Biochemicals, Raw Materials (IVD)
CAS RN	7048-04-6
Alternative CAS RN	345909-32-2 (·xH2O)
EC Number	200-157-7
MDL Number	MFCD00065606
Storage Temperature	+20°C
Shipping Temperature	Ambient
Harmonised Tariff Code	2930901600

Physical Description	White or almost white crystalline powder, or colourless crystals
Identification	IR
Identification	Reaction of chlorides
Solubility (5% in water)	Clear, colourless solution (≤ BY6)
Specific Optical Rotation	Ph. Eur.: + 5.5 - +7.0 °, USP: + 5.7 - +6.8 °
Any Individual Impurity (TLC)	≤ 0.5%
Total Impurities (TLC)	≤ 2.0%
Sulphates	≤ 300ppm
Ammonium (NH4)	≤ 200ppm
Iron (Fe)	≤ 20ppm
Heavy Metals (as Pb)	≤ 10ppm
Sulfated Ash	≤ 0.1%
Loss on Drying	8.0 - 12.0 %
Assay	98.5 - 101.0 % (dried substance)
Pharmacopoeia Specification(s)	Ph. Eur., USP
Specification Version	1.1

Pictograms
Signal word	Warning
Hazard statements	H319: Causes serious eye irritation
Precautionary statements	P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
Supplementary EUH statements
UN Number	-
WGK	WGK 1
SDS Version	3.0