| CAS No.: | 77-09-8 |
|---|---|
| Formula: | C20h14o4 |
| EINECS: | 201-004-7 |
| Type: | Pharmaceutical Intermediates |
| Appearance: | Powder |
| Quality: | Technical |
| Samples: |
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| Customization: |
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Audited Supplier | TEST ITEM: | SPECIFICATION: | RESULTS: |
| Characteristics: | A white or almost white powder, practically insoluble in water, soluble in alcohol. | A white powder, practically insoluble in water, soluble in alcohol. |
| Melting Point | It melts at about 260°C-262°C | 261°C ~262°C |
| Identification | A:Positive B:Positive |
A:Positive B:Positive |
| Appearance of solution | The solution is clear and not more intensely coloured than reference solution Y7 | Complies |
| Related substances | Less than 0.01% | <0.01% |
| Heavy metals | Not more than0.001% | <0.0009% |
| Acidity or alkalinity | Complies | Complies |
| Chlorides | Not more than 0.01% | <0.01% |
| Sulphates | Not more than 0.02% | <0.02% |
| Loss on drying | Not more than 0.5% | 0.12% |
| Sulphated ash | Not more than 0.1% | 0.01% |
| Assay | 98.0%-101.0%(C20H14O4) | 99.6% |
| Storage condition: | Store in well closed drums, in cool and dry storage area. | |
Company profile
ShanYu is committed to the production and supply of high-quality raw materials used in Plant Nutrition,Cosmetics and personal care Pharmaceutical,Food and other industries,changing the word and our life.
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