D-Cystine
- Product NameD-Cystine
- CAS349-46-2
- CBNumberCB1219137
- MFC6H12N2O4S2
- MW240.3
- EINECS206-486-2
- MDL NumberMFCD00002610
- MOL File349-46-2.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 265 °C (dec.) (lit.) |
| Boiling point | 468.2±45.0 °C(Predicted) |
| alpha | 214 º (c=1, 1 N HCl) |
| Density | 1.358 (estimate) |
| refractive index | 1.6000 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Aqueous Acid (Slightly), Aqueous Base (Slightly) |
| pka | 1.70±0.10(Predicted) |
| form | Fine Crystalline Powder |
| color | White |
| optical activity | [α]20/D +212°, c = 1 in 1 M HCl |
| Water Solubility | 0.057 g/L (25 ºC) |
| Merck | 14,2782 |
| BRN | 1728093 |
| InChIKey | LEVWYRKDKASIDU-QWWZWVQMSA-N |
| LogP | 1.230 (est) |
| CAS DataBase Reference | 349-46-2(CAS DataBase Reference) |
| FDA UNII | KX1RHN0Y0B |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P280-P301+P312-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xn,Xi | |||||||||
| Risk Statements | 36/37/38-22 | |||||||||
| Safety Statements | 22-24/25-37/39-26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| HS Code | 29309013 | |||||||||
| NFPA 704: |
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