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2,2',4,4'-Tetrahydroxybenzophenone CAS 131-55-5 belongs to the series of products of benzophenone ultraviolet absorbers, with an absorption wavelength range of 320-400nm, and its thermo-photochemical properties are stable. At present, it is widely used in plastics, resins, coatings, synthetic rubber, photosensitive materials, and cosmetics industries.
Items | Specification | Result |
Appearance | Pale greenish yellow crystalline powder | Conform |
Assay | ≥99% | 99.9% |
Melting point | 195.0-203.0℃ | 199.5-200.5℃ |
Loss on drying | ≤0.5% | 0.2% |
Product parameters | |
Cas number: | 131-55-5 |
Appearance: | Pale greenish yellow crystalline powder |
Purity: | 99%min |
MOQ: | 1kg |
Price: | Negotiable |
Package details: | 1kg/foil bag;25kg/drum |
Brand: | Fortunachem |
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