- Min.Order :25 Kilogram
- Purity: 98.5%-101.0%
- Payment Terms : T/T,
Keywords
Diprophylline Diprophylline 99% high purity Diprophylline
Quick Details
- Appearance:White or almost white crystalline powder
- Application:raw material
- PackAge:25kg/drum
- ProductionCapacity:|Metric Ton|Day
- Storage:Cool an dry place
- Transportation:By air or by sea
Superiority:
Product Name:Diprophylline
CAS NO.:479-18-5
|
Appearance |
White or almost white crystalline powder |
|
Solubility |
Freely soluble in water, slightly soluble in ethanol(96 per cent) |
|
Identification |
Infrared absorption spectrophotometry comparing with the spectrum obtained with diprophylline CRS. |
|
Appearance of solution |
Solution S is clear and colourless |
|
Acidity or alkalinity |
≤0.4ml(0.01M sodium hydroxide) |
|
Chlorides |
≤400ppm |
|
Heavy Metals |
≤20ppm |
|
Loss on drying |
≤0. 5% |
|
Sulphated ash |
≤0.1% |
|
Related substances |
Unspecified impurities ≤0.1% |
|
Total ≤0.3% |
|
|
Residual solvents |
≤5000ppm(Ethanol) |
|
Bulk density Loose (Enterprise Standard) |
-- |
|
Bulk density Tapped (Enterprise Standard) |
-- |
|
Assay |
98.5%-101.0%(calculated on the dried bases) |
Details:
Product Name:Diprophylline
CAS NO.:479-18-5
|
Appearance |
White or almost white crystalline powder |
White crystalline powder |
|
Solubility |
Freely soluble in water, slightly soluble in ethanol(96 per cent) |
Complies |
|
Identification |
Infrared absorption spectrophotometry comparing with the spectrum obtained with diprophylline CRS. |
Complies |
|
Appearance of solution |
Solution S is clear and colourless |
Complies |
|
Acidity or alkalinity |
≤0.4ml(0.01M sodium hydroxide) |
0.05ml |
|
Chlorides |
≤400ppm |
＜400ppm |
|
Heavy Metals |
≤20ppm |
＜20ppm |
|
Loss on drying |
≤0. 5% |
0.08% |
|
Sulphated ash |
≤0.1% |
0.02% |
|
Related substances |
Unspecified impurities ≤0.1% |
0.02% |
|
Total ≤0.3% |
0.07% |
|
|
Residual solvents |
≤5000ppm(Ethanol) |
183ppm |
|
Bulk density Loose (Enterprise Standard) |
-- |
0.34g/ml |
|
Bulk density Tapped (Enterprise Standard) |
-- |
0.52g/ml |
|
Assay |
98.5%-101.0%(calculated on the dried bases) |
99.9% |
|
Conclusion: |
All of the results conform to the BP2013/EP8.0 |
|
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