Furosemide
CAS No.: 54-31-9
Product Name: Furosemide
CAS#54-31-9
Spec: API
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#54-31-9
Spec: API
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of Furosemide :
| Items | Specification | Results |
| Appearance | White or almost white,crystalline powder. | Conform |
| Solubility | Practically insoluble in water,soluble in acetone, sparingly soluble in ethanol (96 per cent),practically insoluble in methylene chloride.It dissolves in dilute solutions of alkali hydroxides. | Conform |
| mp | About 210℃,with decomposition. | About 210℃ |
| IDENTIFICATION | ||
| A | Absorption maxima At 228 nm,270 nm and 333 nm Absorbance ratio A270/A228=0.52 to 0.57. | Conform |
| B | The absorption IR of the raw material is accordant to of the standard. | Conform |
| C | Should be conform. | Conform |
| TESTS | ||
| Related substances | Impurities A,B,C,D,E:for each impurity: NMT0.25%. | Conform |
| Total impurity:NMT0.5%. | 0.09% | |
| Chloride | NMT0.02%. | Conform |
| Sulfate | NMT0.03%. | Conform |
| Heavy metals | NMT20ppm. | Conform |
| Loss on drying | NMT0.5%. | 0.13% |
| Sulphated ash | NMT0.1%. | 0.05% |
| Residual Solvents | Should be conform. | Conform |
| ASSAY | 98.5~101.0%(dried substance). | 100.4% |
