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Appearance:White crystalline powder
Throughput:100|Kilogram|Month
pd_productuse:intermediate
Delivery Time:large stock
Purity:99% purity
L-Cysteine hydrochloride monohydrate Chemical Properties
Melting point 175°C
alpha +6.0～+7.5゜ (20℃/D)(c=8,6mol/l HCl)(calculated on the dried basis)
density 1.54 g/cm3
vapor pressure <0.1 hPa (20 °C)
refractive index 6 ° (C=8, 1mol/L HCl)
storage temp. Store at RT.
solubility H2O: 1 M at 20 °C, clear, colorless
form Solid
color White
PH 0.8-1.2 (100g/l, H2O, 20℃)
PH Range 1 - 2
optical activity [α]20/D +5.6±0.3°, c = 5% in 5 M HCl
Water Solubility Soluble in cold water.
λmax λ: 260 nm Amax: 1.0
λ: 280 nm Amax: 0.3
Sensitive Hygroscopic
Merck 14,2781
BRN 5158059
Stability: Stable. Incompatible with strong oxidizing agents, most common metals, hydrogen chloride.
CAS DataBase Reference 7048-04-6(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
RTECS HA2285000
F 3-10-23
TSCA Yes
HS Code 29309013
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