L-Cysteine hydrochloride monohydrate CAS NO.7048-04-6

L-Cysteine hydrochloride monohydrate Basic information

Product Name:    L-Cysteine hydrochloride monohydrate
Synonyms:    (R)-(+)-CYSTEINE HYDROCHLORIDE HYDRATE;H-L-CYS-OH HCL H2O;H-CYS-OH HCL H2O;CYSTEINI HYDROCHLORIDUM MONOHYDRICUM;CYSTEINE HYDROCHLORIDE MONOHYDRATE;CYSTEINE HCL H2O;3-MERCAPTO-2-AMINOPROPIONIC ACID HYDROCHLORIDE;3-MERCAPTO-2-AMINOPROPIONIC ACID HYDROCHLORIDE MONOHYDRATE
CAS:    7048-04-6
MF:    C3H10ClNO3S
MW:    175.63
EINECS:    615-117-8
Product Categories:    
Mol File:    7048-04-6.mol
 

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