Description
Benzotriazole UV Absorber UV-326
CAS 3896-11-5 UV-326 is a high efficient UV absorber, which can effectively absorb 270-380 nm UV light. It almost does not absorb visible light, particularly applicable to colorless and light-colored products.
Chemical Name:2-(3-tert-Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole
Formula:C17H18ClN3O
Molecular Weight: 315.80
Appearance: Light yellow crystalline powder
Melting Point: 144-147ºC
Volatile Matter: ≤0.5%
Relative Density:1.39g/cm3
Weight Loss Point: 230ºC(5.0%)
Light Transmittance: 460nm: ≥98.0%;500nm: ≥99.0%
Ash Content: ≤0.1%
Solubility: Soluble in toluene, styrene; slightly soluble in methanol; insoluble in water
Application: It is mainly used for PVC, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, epoxy resin etc.
Cautions: Avoid direct sunlight, moisture, high temperature.Testing required before use
Pack & Store: 25kg carton inner with plastic bag or as customer's requirement 20 years history of manufacturing, advanced equipment and strict production process guarantee that our product quality is stable and superior.
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