Home > Pallav Chemicals > Amino Acids & Derivatives > L-Cysteine Hydrochloride Monohydrate 98.5% For Biochemistry
L-Cysteine Hydrochloride Monohydrate 98.5% For Biochemistry
Confirms to USP (Stereospecific,irreversible inhibitor of histidene,ammonia-lyase.)
Product Code. |
00924 |
Grade |
For Biochemistry |
Purity |
98.5% |
CAS No. |
7048-04-6 |
Molecular Formula |
C3H8ClNO2S.H2O |
Molecular Weight |
175.64 |
H.S.Code |
2930.90400 |
Shelf Life |
60 Months |
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 |
Packaging
Specification
| 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 ([?]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 and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338