Chemical name: 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
CAS No.：2440-22-4
Molecular formular：C13H11N3O
Molecular weight：225.3
Molecular structure
Appearance: White to yellowish crystal powder
Melting point，℃：128-132
Assay (HPLC), %: ≥99
Ash, %: ≤0.1
Volatility, %: ≤0.5
Light transmittance, %: 440nm≥94%
500nm≥97%
UV ABSORBER UV P is a benzotriazole type ultraviolet light absorber (UVA). The max absorbing wavelength range is 270-380nm. It is widely used in a variety of polymers including polypropylene polycarbonate, polyethylene, polyurethane, unsaturated resin, ABS resin, epoxy resin, PMMA, PVC, elastomer, adhesive etc. It almost does not absorb visible light, especially for colorless and transparent products.
