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L-Aspartic acid 4-tert-butyl ester

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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 Molecular Structure of 3057-74-7 (L-Aspartic acid 4-tert-butyl ester) Hazard Symbols N/A

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 °
Boiling Point: 318.7 °C at 760 mmHg 
Density of H-Asp(OtBu)-OH (3057-74-7): 1.162 g/cm
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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