UV-P

Chemical Name:
(2-(2′-Hydroxy-5′-methyl-phenyl)benzotriazole)
CAS:
2440-22-4
Molecular formula:
C13H11N3O
Molecular weight:
225.3

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Structural formula:

Applications:

The product is an efficient ultraviolet absorber, which can effectively absorb 290-400 nm ultraviolet light. It is mainly used for PVC, polypropylene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, Acrylonitrile butadiene styrene, epoxy resin, fiber resin, etc. This product hardly absorbs visible light and is particularly suitable for colorless, transparent, and high-quality products. The general dosage is 0.1-0.5% in thin products and 0.05-0.2% in thick products. This product is allowed for plastic products that come into contact with food

Specifications:

Item Specification
Appearance White to light yellow crystalline powder
Assay (%) 99.00 min
Melting Point (℃) 128-131
Volatile(%) 0.50 max
Ash (%) 0.10 max
Transmittance (%) 440nm: 97.00% min  500nm: 98.00% min

Storage and transportation:

Avoid sun, high light, humidity, and light stabilizers containing sulfur or halogenated elements. It needs to be stored and stored under sealed, dry, and dark conditions.

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