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2-dihydroxy-4-methoxy-benzophenone(UV-9) |
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Chemical name |
C14H12O3 |
| CAS |
131-57-7 |
| Molecular formula |
228.25 |
| Appearance |
Gray white or light yellow crystalline powder |
| Assay |
≥99.5% |
| Melting point |
62.0-64.0oC |
| Loss on dry |
≤0.5% |
| Loss on ignition |
≤0.1% |
| Light transmittance(T%) |
≥93% |
| Absorption spectrum |
280-340mm UV |
| Solubility |
(g/100ml solvent,25oC)
Benzene:56.2 Normal hexane:4.3
Dimethylbenzene:47.5 Ethanol(95%v/v): 5.8 |
| Packing |
25KG plastic lined woven bag |
| Storage |
kept in dark place |
| Uses |
absorbing medium of UV, it can improve weather resistance and prolong the life (especially for cosmetics, coating & plastic), it also can prevent transparent liquid from yellow or changing color. |
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