1.Chemical name: 2-(2H-hydroxy-3-5-Di-tert-Amyllphenyl)benzotriazole

Chemical Formula: C₂₂H₂₉N₃O

Structure:

Molecular weight: 351.5

CAS NO.: 25973-55-1

2. General Specification:

Appearance: light yellow powder

  Melting point (℃): 80-83℃

Content: 99% min

  ASH: 0.1% max

Loss on Drying: 0.5% max

  Transmittance: 440nm≥97％   500nm≥98％

Solubility: It can dissolve in benzene, toluene, ethyl acetate and petroleum ether, slightly dissolve in ethanol and methyl alcohol, can not dissolve in water.

3.Uses:

  The product is a high performance Ultraviolet Absorber. Its maximum ultraviolet absorption peak is 345nm, and its light stability is similar to samsorb 326 and samsorb 327. It has good dissolubility with the resins.Its heat volatility is low and its durability to washing is very good. It’s mainly used in PE, PP, polystyrene, PVC, polyester, EP, ABS resin and cellulosic resin, etc., about 1% of genetral consumption. It has a fine light stability too in various kinds of coating. It’s especially recommended in coating, and applied to Polyolefines, PU, PVC, Polyacrylate, EP, agglutinant, elastomer, etc.

4.Packing and Storage:

  Nontoxic, non-flammable, non-explosive, non-corrosive and good storage stability. Cardboard drum inner lining plastic bag, each drum 25kg net weight. Or according to customers’ requirements.