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Cas Database |
| Name |
L-Aspartic acid 4-tert-butyl ester |
EINECS | 221-292-8 |
| CAS No. | 3057-74-7 | Density | 1.162 g/cm3 |
| PSA | 89.62000 | LogP | 0.83040 |
| Solubility | N/A | Melting Point |
220 °C (dec.) |
| Formula | C8H15NO4 | Boiling Point | 318.7 °C at 760 mmHg |
| Molecular Weight | 189.211 | Flash Point | 146.5 °C |
| Transport Information | N/A | Appearance | White powder |
| Safety | 22-24/25 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
L-Aspartic acid 4-tert-Butyl ester; L-aspartic acid 4-tert-butyl ester; AmbotzHAA1072; |
Article Data | 14 |
L-Aspartic acid 4-tert-butyl ester Chemical Properties
Molecular Formula: C8H15NO4 
Formula Weight: 189.21 g/mol
Synonyms: L-ASPARTIC ACID 4-(1,1-DIMETHYLETHYL) ESTER; (2S)-2-Amino-3-(tert-butoxycarbonyl)propionic acid; (S)-2-Aminosuccinic acid 4-tert-butyl ester; 4-tert-butyl hydrogen L-aspartate
Melting Point: 220°C (dec.)
Flash Point of H-Asp(OtBu)-OH (3057-74-7): 146.5 °C
Boiling Point: 318.7 °C at 760 mmHg
Density of H-Asp(OtBu)-OH (3057-74-7): 1.162 g/cm3
Vapour Pressure: 7.48E-05 mmHg at 25°C
Storage temp.: 2-8°C
Index of Refraction: 1.475
Physical State: Fine plates
Index of Refraction: 1.475
Surface Tension: 43.6 dyne/cm
Enthalpy of Vaporization: 61.59 kJ/mol
Color: H-Asp(OtBu)-OH (3057-74-7) is white
L-Aspartic acid 4-tert-butyl ester Safety Profile
Safety Statements : 22-24/25
22: Do not breathe dust
24/25: Avoid contact with skin and eyes
WGK Germany : 3
L-Aspartic acid 4-tert-butyl ester Standards and Recommendations
Content: 98+%
L-Aspartic acid 4-tert-butyl ester Specification
Storage of H-Asp(OtBu)-OH (3057-74-7): Keep container tightly closed. Keep in a cool,dry place.
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