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Home > Products > Plastic, Additives And Resins > Excellent Ultraviolet Absorber CAS No. 5973-55-1; UV328

Excellent Ultraviolet Absorber CAS No. 5973-55-1; UV328

Basic Info

Model No.:  UV Absorbe

Product Description

Model NO.: UV Absorbe Appearance: Powder Melting Point: 81.0 Temperature Min Transmittance 460nm: 98.0% Min Ash: 0.05% Max Origin: China Kind: UV Absorbe Purity: 99.0% Min Volatiles: 0.50% Max Transmittance 500nm: 99.0% Min Trademark: SWE Excellent ultraviolet absorber. UV  max: 345nm. Good solubility for polymer and little volatility. Mainly used for PE, PP,PS,PVC, poly ester and ABS resins, etc.

Product Name  UV 328 Identification
Synonyms 2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole
Molecular Formula C22H29N3O
Molecular Weight  351.49
CAS Number  25973-55-1
EINECS/ELINCS 247-384-8

  Properties
Appearance  :   light yellowish powder
Melting Range:  80-83 °C
Specific Gravity :  1.17g/cm3 at 20 ºC
Solubility :  insoluble in water; soluble in acid, benzene, toluene, ethyl acetate and petroleum ether, slightly soluble in ethyl alcohol and methyl alcohol
Stability :stable under ordinary conditions
 
Item Specification
Appearance light yellowish powder
Purity 99.0% min
Melting point 81.0ºC min
Volatiles 0.50% max
Ash 0.05% max
Transmittance 460nm  98.0% min
Transmittance 500nm 99.0% min
Packing and Storage
Packing    In 20kgs net carton
Storage    Keep tightly closed and store in cool and dry place
 
Safety Information
Non-hazardous for air, sea and road freight.
Excellent Ultraviolet Absorber CAS No. 5973-55-1; UV328


 

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Product Categories : Plastic, Additives And Resins

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