L-Cysteine hydrochloride, anhydrous CAS 52-89-1

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CAS: 52-89-1

MF: C₃H₇NO₂S · HCl

MW: 157.62

Product Categories	Amino Acids, Biochemicals, Raw Materials (IVD), Cosmetic Raw Materials
CAS RN	52-89-1
Alternative CAS RN	345909-32-2 (·xH2O)
EC Number	200-157-7
MDL Number	MFCD00064553
Storage Temperature	+20°C
Shipping Temperature	Ambient
Harmonised Tariff Code	29309016

Physical Description	White crystalline powder or crystals
Specific Optical Rotation ([α]20/D)	+5.6 - +8.9 ° (c=8, 6M HCl)
Residue on Ignition	≤ 0.1%
Loss on Drying	≤ 1.0%
Iron (Fe)	≤ 15ppm
Lead (Pb)	≤ 3ppm
Arsenic (As)	≤ 1ppm
Mercury (Hg)	≤ 0.1ppm
Cadmium (Cd)	≤ 1ppm
Assay	98.0 - 102.0 %
Specification Version	1.0

Pictograms
Signal word	Warning
Hazard statements	H315: Causes skin irritation H319: Causes serious eye irritation H335: May cause respiratory irritation H336: May cause drowsiness or dizziness
Precautionary statements	P261: Avoid breathing dust/fume/gas/mist/vapors/spray. P280: Wear protective gloves/protective clothing/eye protection/face protection. P302+P352: IF ON SKIN: wash with plenty of water. 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