 |
| Menge: | |
|---|---|
DY3089
479-18-5
207-526-1
C10H14N4O4
diprophylline
| Index Name | Specification |
| Appearance | A white crystalline powder |
| Solubility | Free soluble in water, slightly soluble in alcohol |
| Melting Point | 160 to 164 deg C |
| PH | 5.0 to 7.5, in a solution (1 in 100) (USP ) |
| Chlorides | 400PPM Max (BP, EP),350PPM Max (USP ) |
| Sulfate | 0.01% Max (USP ) |
| Heavy Metals | 20ppm Max |
| Sulphated ash | 0.1% Max (BP , EP ); 0.15% Max (USP) |
| Loss on drying | 0.5% Max |
Assay (calculated on the dried basis) | 98.5 to 101% (BP 2007, EP 5) 98.0 to 102% (USP 30) |
| Index Name | Specification |
| Appearance | A white crystalline powder |
| Solubility | Free soluble in water, slightly soluble in alcohol |
| Melting Point | 160 to 164 deg C |
| PH | 5.0 to 7.5, in a solution (1 in 100) (USP ) |
| Chlorides | 400PPM Max (BP, EP),350PPM Max (USP ) |
| Sulfate | 0.01% Max (USP ) |
| Heavy Metals | 20ppm Max |
| Sulphated ash | 0.1% Max (BP , EP ); 0.15% Max (USP) |
| Loss on drying | 0.5% Max |
Assay (calculated on the dried basis) | 98.5 to 101% (BP 2007, EP 5) 98.0 to 102% (USP 30) |