Description
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. |