L-CYSTEINE HYDROCHLORIDE MONOHYDRATE
L-CYSTEINE HYDROCHLORIDE MONOHYDRATE For Biochemistry
Confirms to USP(Stereospecific,irreversible inhibitor of histidene,ammonia-lyase.)
Short Name: L-CYSTEINE HYDROCHLORIDE MONOHYDRATE
Basic Details
Article No.
LG1614
Grade
For Biochemistry
Purity
98.5%
CAS No.
7048-04-6
HS Code
2930.9040
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Colorless crstals
pH value
1 - 2
Melting point/ Freezing point [°C]
176°C
Solubility in water [% weight]
100 g/l at 25 °C
Chemical Specifications
Appearance
White crystals or crystalline powder
Assay (on anhydrous basis)
98.5 - 101.5%
Identity (IR)
Passes test
Residue on ignition
Max. 0.4%
Sulphate (SO4)
Max. 0.03%
Iron (Fe)
Max. 0.003%
Heavy metal (as Pb)
Max. 0.0015%
Related compounds
Passes test
Individual impurities
Max. 0.5%
Total impurities
Max. 2.0%
Specific optical rotation ([α]20/D)
+5.7° to +6.8°
Loss on drying (at R.T.; pressure max 5 mm of mercury; 24 hrs)
8.0 - 12.0%
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H315-H319-H335
Precaution Statement
P261-P305 + P351 + P338