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Primary Antioxidant - Phenolic Based

PowerNox™ 2450

Triethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl) propionate.
Synonym: Ethylenebis(oxyethylene)bis-(3-(5-tert-butyl-4-hydroxy-m-tolyl)- Propionate)
Chemical Structure
Introduction / Features
PowerNox™ 2450 is a primary antioxidant for organic polymers. Chain Stopper in PVC and ABS manufacturing process. It exhibits a synergistic effect when used in combination with thioester antioxidants.
Physical Properties
Chemical Name: Triethylene glycol-bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl) propionate
CAS No.: 36443-68-2
EINECS No.: 253-039-2
Formula: C34H50O8
Molecular Weight: 587
Melting Point(°C): 76-79
Volatile Loss(%): Max.0.5
Color of Solution 425nm(%): Min.95
Color of Solution 500nm(%): Min.97
Appearance: Free-flowing White Powder
Ash(%): Max.0.1
Min. Purity: 98%

Solubility (20°C) % w/w
Acetone: >50
Benzene: 18
Chloroform: >40
Ethanol: 10
Ethyl acetate: 37
n-Hexane: <0.1
Methanol: 12
Dichloromethane: >40
Toluene: 6
Styrene: 6
Water: <0.01

Applications
PowerNox™ 2450 is a high performance sterically hindered phenolic antioxidant that protects the polymer against thermo-oxidative degradation during the manufacturing processes and in end-use applications.
PowerNox™ 2450 is an effective antioxidant for styrenics, synthetic rubbers, POM homo & copolymer, polyurethanes, polyamides, polyesters, MBS and PVC.
PowerNox™ 2450 is low volatility, good color stability, and extraction resistant. PowerNox™ 2450 can be used with benzotriazoles or HALS for thermal and light stabilization in outdoor use.
Packings
PowerNox™ 2450 is supplied in 25Kg Carton Box, 50Kg Fiber Drum, 500Kg Flecon Bag.
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