Descrição
Chemical Name: L-Valine
CAS Number: 72-18-4
Chemical Formula: C5H11NO2
Molecular Weight: 117.1474
Synonyms: 2-Amino-3-methylbutyric acid;
2-Aminoisovaleric acid;
L-2-Amino-3-methylbutyric acid;
Description: Crystalline leaflets or a white crystalline powder
Melting Point: 315 ℃
Specification:
Assay: | 98.5%~101.5% |
Specific rotation [α]D20: | +26.60 to +28.80 |
Heavy metals [Pb]: | 15ppm max. |
PH: | 5.5 to 7.0 |
Residue on ignition [sulfated]: | 0.1% max |
Chloride[Cl]: | 0.05% max. |
Sulphate: | 0.03% max |
Iron[Fe]: | 0.003% max |
Loss on drying | 0.30% max. |
Arsenic [As2O3]: | 1.5ppm max. |