L-Aspartic acid 4-tert-butyl ester
- Product NameL-Aspartic acid 4-tert-butyl ester
- CAS3057-74-7
- CBNumberCB8172934
- MFC8H15NO4
- MW189.21
- EINECS221-292-8
- MDL NumberMFCD00038577
- MOL File3057-74-7.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 220°C (dec.) |
| Boiling point | 318.7±37.0 °C(Predicted) |
| Density | 1.162±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Methanol (Slightly), Water (Slightly, Sonicated) |
| form | Solid |
| pka | 2.19±0.23(Predicted) |
| color | White to Off-White |
| optical activity | [α]20/D 9±2°, c = 2% in methanol: water (4:1) |
| BRN | 4671089 |
| Stability | Hygroscopic |
| CAS DataBase Reference | 3057-74-7(CAS DataBase Reference) |
| FDA UNII | X9KMG9QTL5 |
Safety
| Symbol(GHS) |
|
|||||||||
| Signal word | Warning | |||||||||
| Hazard statements | H335-H319-H315 | |||||||||
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362 | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 22-24/25-44-35-28-7-4 | |||||||||
| WGK Germany | 3 | |||||||||
| HS Code | 29225090 | |||||||||
| NFPA 704: |
|
