L-CYSTEINE HYDROCHLORIDE MONOHYDRATE 98.5% FOR BIOCHEMISTRY
Confirms to USP (Stereospecific,irreversible inhibitor of histidene,ammonia-lyase.)
| Product Code | B-00924 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | For Biochemistry | CAS No | 7048-04-6 |
| Molecular Formula | C3H8ClNO2S.H2O | Molecular Weight | 175.64 |
| H.S.Code | 2930.90400 | Shelf Life | 60 Months |
| Purity | 98.5 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Colorless crystalline |
|---|---|---|---|
| Solubility in water [% weight] | 100 g/l at 25 °C | Melting point/ Freezing point [°C] | 176°C |
| pH value | 1 - 2 |
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: GHS05, GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338