Chemical name: 2-(2'-Hydroxy-5'-methyl-phenyl)benzotriazole Molecular formula: C13H11N3O Molecular weight: 225.3 Sales code: PS-P Appearance: White to pale yellow crystalline powder Content: ≥99% Melting point: 128-130℃ The loss on drying of : ≤0.5% Ash content: ≤0.1% The transmittance of 440nm≥97% The transmittance of 500nm≥98% Toxicity: lower toxicity, USES: as ultraviolet absorbent, this product is mainly suitable for polyester, epoxy cellulose acetate ,polyvinylchloride, polystyrene, PMMA, polypropylene and so on. the maximum absorption wavelength range of 270-380nm General dosage: thin product0.1-0.5% thick product0.05-0.2% Solubility: 25 ℃unit g/100ml solvent
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