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Sunvin 28

CAS Number
25973-55-1
EC Number
247-384-8
Chemical Name
2-(2H-Benzotriazol-2-yl)-46-ditertpentylphenol
Chemical Family
Benzotriazoles

Sunvin 28 is a benzotriazole type UV absorber. Characterized by its high solubility and superior properties makes UV-328 particularly suitable for light stabilizing in coatings, propylene, polyurethane and polyvinyl chloride. UV-328 is also effective to the light stabilization of unsaturated polyester, polyacrylate and polycarbonate.

Properties

Physical Form
  • Powder
  • Solid

Product families

Applications

Applications
  • Consumer Goods — Other Consumer Goods Applications; Electrical & Electronics — Other Electrical & Electronics Applications; Industrial — Other Industrial Applications
Automotive & Transportation — Coatings & Finishes
  • Other Coatings & Finishes

Product Families

Elastomers — Elastomer Additives
  • Antioxidants & Stabilizers
Plastics — Polymer Additives
  • Antioxidants & Stabilizers

Other characteristics

Brand
Sunvin
Features

Chemical Resistant, Excellent Compatibility, Heat Stabilized, Low Toxicity, Low Volatility; Readily soluble in a wide range of organic solvents.; Excellent compatibility with variety of the polymers.; Low volatility during high processing temperature.; Good extraction resistance.; Low vapor pressure, very little or no loss during processing.

Synonyms

2-(2-Hydroxy-3,5-di-tert-amylphenyl)-2H-benzotriazole, 2-(2-Hydroxy-3,5-di-tert-amylphenyl)benzotriazole, 2-(2-Hydroxy-3,5-di-tert-pentylphenyl)benzotriazole, 2-(2′-Hydroxy-3′,5′-di-tert-amylphenyl)benzotriazole, 2-(2H-Benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)phenol, 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol, 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol, 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)-2H-benzotriazole, 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)benzotriazole, 2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)-2H-benzotriazole, 2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)benzotriazole, 2-(3′,5′-Di-tert-amyl-2′-hydroxyphenyl)benzotriazole, 2-(Benzotriazol-2-yl)-4,6-bis-(1,1-dimethyl-propyl)phenol, 2-(Benzotriazol-2-yl)-4,6-bis-(2-methylbutan-2-yl)phenol, 2-[2-Hydroxy-3,5-bis(1,1-dimethylpropyl)phenyl]-2H-benzotriazole, Light Stabilizer 328

Functions
UV Absorber
Compatible Polymers & Resins

Acrylics, Polycarbonates (PC), Polyethylenes (PE), Polypropylenes (PP), Polyvinyl Chloride (PVC)

Markets
  • Automotive & Transportation
  • Consumer Goods
  • Electrical & Electronics
  • Industrial
Storage

In a closed system and dry, dark place without any light exposure.

PACKAGING
In 25 kg carton drum with inner plastic bag.
Appearance
Off-white to light tan powder
Technology
  • Elastomers
  • Plastics
Packaging Type
Drums
Labeling Claims
Low Toxicity
Toxicity/Safety

UV-328 can be safely handled without irritation caused to the skin.

Material Features
  • Chemical Resistant
  • Excellent Compatibility
  • Heat Stabilized
  • Low Toxicity
  • Low Volatility
Compatible Polymers and Resins
  • Acrylics
  • Polycarbonates (PC)
  • Polyethylenes (PE)
  • Polypropylenes (PP)
  • Polyvinyl Chloride (PVC)
Plastics and Elastomers Functions
UV Absorber

Technical data

Table 1 of 1

5 rows
CharacteristicValueUnit
Molecular Weight351.5—
Assaymin . 99%
Ash Contentmax. 0.3%
Melting Point79 -87°C
Transmittancemin . 97%

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