L-Cysteine hydrochloride monohydrate, 99%, non-animal origin CAS 7048-04-6

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CAS: 7048-04-6

MF: C₃H₇NO₂S · HCl · H₂O

MW: 175.64

Physical Description	White or colourless crystals
Identification (IR)	To conform to standard
Solubility (2.5% in water)	Clear, colourless solution
Specific Optical Rotation ([α]20/D)	5.5 - 7.0 ° (c=8, HCl, dried basis)
pH	1.5 - 2.0
Sulphates	≤ 0.02%
Ammonium	≤ 0.02%
Heavy Metals	≤ 10ppm
Any Individual Impurity	≤ 0.5%
Total Impurities	≤ 2.0%
Residue on Ignition	≤ 0.1%
Loss on Drying	8.0 - 12.0 %
Assay (Titration)	98.5 - 101.0 %
Pharmacopoeia Specification(s)	Ph. Eur., USP
Specification Version	1.0

Pictograms
Signal word	Warning
Hazard statements	H319: Causes serious eye irritation
Precautionary statements	P261: Avoid breathing dust/fume/gas/mist/vapors/spray. P280: Wear protective gloves/protective clothing/eye protection/face protection. 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