Product Details
Chemical Name: 2,2′,4,4′-Tetrahydroxybenzophenone
Synonyms: Di(2,4-dihydroxyphenyl)methanone; Bis(2,4-dihydroxyphenyl)methanone；BP-2
Molecular Structure:
Product Typical Properties
| Items | Specification |
| Cas No | 131-55-5 |
| Molecular Formula | C13H10O5 |
| Molecular Weight | 246.0 |
| Appearance | Light yellow powder |
| Purity % | ≥99 |
| Ash % | ≤0.1 |
| Volatileness % | ≤0.5 |
| Absorbance A1/1 (345nm) | ≥580 |
Function
BP-2 is a benzophenone type ultraviolet absorber that can effectively absorb 320 to 400 nanometers of ultraviolet light. It has a symmetrical benzene ring and hydroxyl groups on both sides, and its photothermal chemical properties are very stable. Suitable for polyester, polyvinyl chloride, resin lenses, fabric coatings, especially for sun protection products, improving stability and color fastness. The general dosage is 0.1-0.5%.
Product Usage
BP-2 is suitable for polyester, coatings, cosmetics, and other industries. In recent years, its application on fabrics has received attention from the textile industry and its scope has become increasingly broad.
Product Packaging
25KG/Drum
Product Storage
Please store in a dry, cool and dark place
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