| ≥1 piece |
CAS No. o56-84-8
Molecule Formula oC4H7NO4
Molecule Weight o133.10
Description oWhite crystals or crystalline powder, acid taste, slightly soluble in water, practically insoluble in ethanol and ether.
Manufacture Standards oAJI92 USP26 EP5 FCC4
Specification:
|
Specific rotation |
+24.8~+25.8° |
|
Heavy metals |
≤10ppm |
|
Water content |
≤0.20% |
|
Residue on ignition |
≤0.10% |
|
Assay |
99.0~100.5% |
|
pH |
2.5~3.5 |