Chemical name: 2-Hydroxy-4-methoxybenzophenone
Molecular formula: C
14H
12O
3
Molecular weight: 228.3
CAS NO.: 131-57-7
Chemical structural formula:
Appearance: light yellow powder
Content: ≥ 99%
Melting point: 62-66°C
Fugitive constituent: ≤ 0.5%
Ash: ≤ 0.1%
Toxicity: rattus norvegicus oral LD50=7.4g/kgweight,allowable dosage for people:3.3mg/kgweight.
Use: UV absorber UV-9 is light yellow or white crystalline powder, also known as Sunscreen No. 2, BP-3, suitable for polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate, unsaturated polyester, ABS resin and cellulose resin and other plastics, the maximum absorption wavelength range is 280-340 nm, the general dosage is 0.1-1.5%, good thermal stability, does not decompose at 200. This product hardly absorbs visible light, so it is suitable for light-colored transparent products. This product can also be used for paint and synthetic rubber. For the broad-spectrum UV absorber, with high absorption rate, non-toxic, non-teratogenic effect, good light, thermal stability and other advantages, UV absorber UV-9 can absorb UV-A and UV-B at the same time, it is a Class I sunscreen agent approved by the FDA in the United States and Europe. It is widely used in sunscreen cosmetics such as sunscreen cream, cream, honey, lotion and oil UV-9, it can also be used as an anti-discoloration agent for products that change color by photosensitivity. In addition, because UV-9 has good compatibility with many plastics and resins, it is usually used in many fields such as PVC and unsaturated polyester.
Solubility: Soluble in acetone, benzene, 2-Butanone and alcohol and most organic solvents, and insoluble in water.
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