L(+)-Aspartic Acid
Product Detailed
L-Aspartic acid can be added into cool drinks as nutrition supplement.
DESCRIPTION
White crystals or crystalline powder having a slightly acid taste. It is slightly soluble in water. It is soluble in acid, alkali and salt water, but dissoluble in alcohol and in ethyl ether.
GENERAL CHARACTERISTIC
| Chemical Name | L-hydroxy butanedioic acid |
| Molecular Formula | C4H7NO4 |
| Structural Formula |
|
| Molecular Weight | 133.10 |
STANDARD SPECIFICATIONS
(QB1118-91) high-class product
| Assay(asC4H7NO4 ) | 98.5% Min |
Transmittance | 98% Min |
Specific Rotation | +24.8 °~+25.8° |
Loss on Drying | 0.20% Max |
Arsenic(as As) | 0.0002% Max |
Heavy Metals(as Pb) | 0.001% Max |
Ammonia | 0.05% Max |
Sulfate | 0.03% Max |
Chloride | 0.02% Max |
Redidue on Igintion | 0.1% Max |
Other Amino Acid | Not detective |
Iron[Fe] | 0.001% Max |
