L-Phenylalanine 99% For Biochemistry
(S)-2-Amino-3-phenylpropionic acid
Product Code. |
01983 |
Grade |
For Biochemistry |
Purity |
98% |
CAS No. |
63-91-2 |
Molecular Formula |
C9H11NO2 |
Molecular Weight |
165.19 |
H.S.Code |
2922.49900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
5 - 7 at 16.5 g/l at 25 °C |
Melting point/ Freezing point [°C] |
270 - 275 °C |
Density [g/cm3] |
1.29 |
| Solubility in water [% weight] |
16.5 g/l at 20 °C - completely soluble |
Packaging
Specification
| Appearance | White or almost white crystalline powder |
| Assay (by HClO4 titration) | Min 99% |
| Specific optical rotation ([?]20/D; 20 g/L; water; calculated on dried substances) | -33.0° to -34.7° |
| Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.01% |
| Foreign amino acids | Max 0.3% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
Safety Information and Hazard Symbols