UV absorber OPS

　　Common name: UV absorber OPS

　　Chemical name: n-octylphenyl salicylate

　　English name: 4-n-octylphenylsalicylate

　　Molecular formula: C21H26O3

　　Relative molecular mass: 326.43

　　Appearance: white crystal

　　Melting point: 72～74℃

　　Boiling point: 435.1℃ (760mmHg)

　　Relative density: 1.076

　　Solubility: Solubility in the following solvents (g/100g solvent) at 27℃ is acetone 127.2, benzene 144.0, ethane 37.0, ethanol 4.5, water<0.1

　　Absorption range: 290～330nm

　　Application performance: This product is a polyolefin ultraviolet absorber, and its ability to absorb ultraviolet rays is poor. After light irradiation, the adjacent position rearrangement occurs, which obviously absorbs visible light, thus making the product yellow. However, these compounds are inexpensive, have good compatibility with resins, and are still widely used.

　　Dosage: 0.1～1.0 serving

　　Safety: The product has low oral toxicity. No death was observed in the mice at 3.2 g/kg. Non-flammable and non-corrosive