Specification: Appearance :Yellowish crystalline powder Content:99% Melting Point : 143~146C Loss on Drying :0.5% Light Transmittance 290nm630 Characteristics and Uses: This product is a light stabilizer agent, applicable to polyolefine, poyvinyl chlornamee, polystyrene etc. and as the intermediate of UV-absorbing agents as well. ...more

Molecular Weight : 225.3 Appearance : slight yellow powder Melting Range : 128-132 °C Flash point : 205 °C Specific Gravity(20 °C ) : 1.38g/cm3 Introduction : UV-P is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-P protects polymers as well as organic ...more

Chemical name: 2,4-Dihydroxy benzophenone CAS No.: 131-56-6 Commodity Name: benzophenone-1;BP-1;UV-0 Specifications: Appearance:Light Yellow Crystal Purity: 99% min Melting Point: 143-146 Loss On Drying: 0.5%max Lovibond Colour:5.0max Heavy Metals(ppm):5.0max Specific Extinction:at 290nm.630min Specific Properties and Uses: Ultraviolet Absorber...more

We offer Ultraviolet Absorbers Benzophenone-4. * Molecular Formula: C14H12O6S * Molecular Weight: 308.31 * CAS No.: 4065-45-6 * Appearance: White or light yellow crystalline powder * Assay: 99.0% min. * Heavy metals: 5ppm max. * Colour (Gardner-10% aqueous solution): 1.0 max. * Loss on drying: a.5.0% max b. 3.0% max * PH value: ...more