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2-dihydroxy-4-capryl-benzophenone(UV-531) |
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Chemical name |
C21H26O3 |
| Molecular formula |
326.43 |
| Appearance |
white or light yellow crystalline powder |
| Assay |
≥99.5% |
| Melting point |
47-49oC |
| Loss on dry |
≤0.50% |
| Loss on ignition |
≤0.10% |
| Light transmittance(T%) |
≥92% |
| Absorption spectrum |
240-300mm UV |
| Solubility |
(g/100ml solvent,25oC)
Benzene:72.7 Normal hexane:40.1
Ethanol:2.6 Acetone:74.3 |
| Packing |
25KG plastic lined woven bag |
| Storage |
kept in dark place |
| Uses |
used in plastic synthetic material, it can improve weather resistance and prolong the life |
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