Dragonsorb® 328
- CAS Number
- 25973-55-1
- EC Number
- 247-384-8
- Chemical Name
- 2-(2H-Benzotriazol-2-yl)-46-ditertpentylphenol
Dragonsorb® 328 is an excellent ultraviolet absorbent with a UVmax of 345nm. It has good polymer solubility and low volatility and is mainly used for PE, PP, PS, PVC, polyester, ABS, and so on. This pale yellowish powder has a melting point of 81°C and is soluble in benzene, toluene, ethyl acetate, and petroleum ether; slightly soluble in ethyl alcohol and methyl alcohol; and insoluble in water.
Properties
- Physical Form
- Powder
- Solid
Product families
- Antioxidants & Stabilizers
Other characteristics
- Brand
- Dragonsorb
- 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
Acrylonitrile Butadiene Styrene (ABS), Polyesters, Polyethylenes (PE), Polypropylenes (PP), Polystyrenes (PS), Polyvinyl Chloride (PVC)
- Color
- Yellow
- Appearance
- Slightly yellow powder
- Technology
- Plastics
- Packaging Type
- Cartons
- Drums
- Material Features
- UV Absorbing
- Compatible Polymers and Resins
- Acrylonitrile Butadiene Styrene (ABS)
- Polyesters
- Polyethylenes (PE)
- Polypropylenes (PP)
- Polystyrenes (PS)
- Polyvinyl Chloride (PVC)
- Plastics and Elastomers Functions
- UV Absorber
Technical data
Table 1 of 1
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Melting Point | 81 | °C |
| Volatile | max. 0.5 | % |
| Ash Content | min. 0.05 | % |
| Assay | min. 99 | % |
| Transmittance (460 nm) | min. 97 | % |
| Transmittance (500 nm) | min. 98 | % |
