L-Cysteine
CAS: 52-90-4
Molecular Formula: HSCH2CH(NH2)CO2H
Molecular Weight: 121.16
Product Detail
| Product Code | 15386031 | ||||
| Product Name | L-Cysteine | ||||
| Categories | Amino Acids | ||||
| CAS | 52-90-4 | ||||
| Molecular Formula | HSCH2CH(NH2)CO2H | ||||
| Molecular Weight | 121.16 | ||||
| Storage Details | 2 to 8 °C | ||||
| Harmonised Tariff Code | 29309013 |
Product Specification
| Specific rotation | +8.3°~ +9.5° | ||||
| pH | 4.5 ~ 5.5 | ||||
| SO4 | 0.03% max | ||||
| Fe | 10ppm max | ||||
| Loss on Drying | 0.5% max | ||||
| Assay | 98.0% – 101.0% | ||||
| Residue on Ignition | 0.1% max | ||||
| NH4 | 0.02% max | ||||
| AS2O3 | 1ppm max | ||||
| Cl | ≤0.2% | ||||
| Appearance | White crystalline powder | ||||
| Heavy metals (as Pb) | 10ppm max | ||||
| State of Solution | 95.0% min |
Safety Information
| Pictograms |
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| Signal word | Warning | ||||
| Hazard statements | H302: Harmful if swallowed | ||||
| Precautionary statements | P270: Do not eat, drink or smoke when using this product
P280: Wear protective gloves/protective clothing/eye protection/face protection P301+310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician P308+313: IF exposed or concerned: Get medical advice/attention |