L(+)-allo-Threonine
- Product NameL(+)-allo-Threonine
- CAS28954-12-3
- CBNumberCB8691943
- MFC4H9NO3
- MW119.12
- EINECS249-327-2
- MDL NumberMFCD00064268
- MOL File28954-12-3.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 272 °C (dec.)(lit.) |
| alpha | 9 º (c=2, H2O) |
| Boiling point | 222.38°C (rough estimate) |
| Density | 1.3126 (rough estimate) |
| refractive index | 10 ° (C=5, H2O) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Water (Slightly) |
| pka | pK1: 2.108(+1);pK2: 9.096(0) (25°C) |
| form | Crystalline Powder |
| color | White to off-white |
| optical activity | [α]23/D +9.0°, c = 2 in H2O |
| BRN | 1721645 |
| CAS DataBase Reference | 28954-12-3(CAS DataBase Reference) |
| FDA UNII | HCQ253CKVK |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319 | |||||||||
| Precautionary statements | P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330 | |||||||||
| Safety Statements | 24/25 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | BA4055000 | |||||||||
| HS Code | 29225090 | |||||||||
| NFPA 704: |
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