New Materials Creating New Performance!
Antioxidant | Ultraviolet Absorber | Light Stabilizer | Photoinitiator
 
 

ABOUT TINTOLL | Research & Development | Quality Assurance | News | Career | Contact US |
PRODUCTS | Antioxidant | Ultraviolet Absorber | Light Stabilizer | Photoinitiator |

Benzotriazole Based Ultraviolet Absorbers

PowerSorb™ 326

2-(2’-hydroxy-3’-t-butyl-5’-methylphenyl)-5-chlorobenzotriazole.
Synonym: 2-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol
Chemical Structure
Introduction / Features
PowerSorb™ 326 is a UV absorber of the hydroxyphenylbenzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.
Physical Properties
Chemical Name: 2-(2’-hydroxy-3’-t-butyl-5’-methylphenyl)-5-chlorobenzotriazole
CAS No.: 3896-11-5
EINECS No.: 223-445-4
Formula: C17H18 N3OCl
Molecular Weight: 316
Density(20°C): 1.32g/cm3
Melting Point(°C): 138-142°C
Flash Point(°C): 238°C DIN 51584
Vapor Pressure(20°C): 7.5E-7Pa
Volatile Loss(%): Max.0.5
Color of Solution 460nm(%): Min.97
Color of Solution 500nm(%): Min.98
Appearance: Pale Yellow Powder
Ash(%): Max.0.1
Min. Purity: 99%

Solubility (20°C) % w/w
Acetone: 1.0
Benzene: 10.5
Chloroform: 11.0
Cyclohexane: 6.4
Ethanol: 0.1
Ethyl acetate: 2.0
n-Hexane: 1.0
Methanol: 0.1
Dichloromethane: 4.3
Toluene: 11.3
MEK: 13.3
Styrene: 12.0
Mineral spirits: 1.5
Water: <0.01

Applications
PowerSorb™ 326 is especially suited for polyolefins and cold cured polyesters.
Packings
PowerSorb™ 326 is supplied in 20Kg cartons or drums.
Technical Library
Download Technical Data Sheet Safety Data Sheet

Search    

Download PowerNox PowerStab PowerSorb Brochure
TinToll Polymer Additives Selection Guide PowerCure Photoinitiator Brochure

ABOUT TINTOLL | Research & Development | Quality Assurance | News | Career | Contact US |
OUR PRODUCTS | Antioxidant | Ultraviolet Absorber | Light Stabilizer | Photoinitiator |

PCC GROUP | SILANES & SILICONES | POLYMER ADDITIVES | FINE CHEMICALS & INTERMEDIATES