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Mr wang +86-18671013296
2、4-Dihydroxy Benzophenone
Structural formula：
Quality standard：
| Item | Standard |
| Appearance | Light yellow needle shaped crystalline powder |
| Content | ≥99.0% |
| Melting point | 142.0-145.0℃ |
| aSH | ≤0.5% |
| Loss on drying | ≤0.5% |
Usage: Used as a UV absorber. It can effectively absorb ultraviolet rays with wavelengths of 280-340nm. The benzophenones derived from this product, such as 2-hydroxy-4-methoxybenzophenone (UV-9) and 2-hydroxy-4-octyloxybenzophenone (UV-531), as well as other mono -, di -, tri -, and tetra hydroxyl compounds, are the most widely used absorption type light stabilizers. And it has good compatibility with most synthetic resins and is widely used in polymer materials.
This product is suitable for polyvinyl chloride, polystyrene, epoxy resin, cellulose resin, unsaturated polyester, ABS resin, AS resin, coatings, synthetic rubber, etc. The maximum absorption wavelength range is 280-340nm, with a general dosage of 0.1-1%,
Packaging: High pressure cardboard drum packaging, net weight 20kg.
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