Quercetin dihydrate cas 6151-25-3 Quercetin dihydrate price
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Chemical Name |
Quercetin dihydrate |
Synonyms |
3,3',4',5,7-Pentahydroxyflavone dihydrate;
|
Molecular Formula |
C15H10O7.2(H2O) |
Molecular Weight |
338.27 |
CAS No. |
6151-25-3 |
|
|
Appearance |
Yellow crystalline powder |
Solubility |
Practically insoluble in water Soluble in aqueous alkaline sol |
Melting point |
305-315℃ |
Identification |
Must positive |
Loss on drying |
9.0-12.0% |
Sulfated ash |
≤ 0.5% |
Heavy metal |
≤ 10ppm |
Mesh size |
100% pass 80mesh |
Cadmium |
≤ 1ppm |
Lead |
≤ 3ppm |
Mercury |
≤ 0.1ppm |
Arsenic |
≤ 1ppm |
Assay (on dry basis) |
≥ 98% (UV method) |
|
|
Packing |
100g/foil bag |
Application |
It has good expectorant, antitussive and antiasthmatic effects, and is used for the treatment of chronic bronchitis. It also has an auxiliary therapeutic effect on coronary heart disease and hypertension |
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