应城UV Absorber UV-O

Nickname: 2,4-dihydroxybenzophenone

Appearance: Light colored needle shaped crystals or white powder.

Moisture content: ＜ 0.5%. Ash content<0.5%.

Melting point: 136~149 ℃.

Soluble in acetone, methanol, ethanol, methyl ethyl ketone, dioxane, N-methylpyridinone, and ethyl acetate, extremely insoluble in water, n-heptane, and benzene. The solubility of this product in some solvents (g/100ml solvent, 25 ℃) is 50 for acetone, 1 for benzene,>50 for ethanol,<0.5 for water, and<0.5 for n-heptane.

Product Usage and Precautions

This product is a UV absorber suitable for polyvinyl chloride, polystyrene, epoxy resin, cellulose resin, unsaturated polyester, coatings, and synthetic rubber. The maximum absorption wavelength range is 280~340nm, and the general dosage is 0.1% 1%. But the light stabilization effect of this product is not outstanding.

Safety precautions: This product has an oral LD50 of 8.6g/kg in mice and a LD50 of 2.336mg/kg in mice. At doses of 0.19, 0.60, and 1.90g/kg, no toxic effects were observed. The other two groups of doses had an impact on the development of experimental animals and showed changes in blood phase.