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Primary Antioxidant - Phenolic Based

PowerNox™ 2246

2, 2’-methylenebis(4-methyl-6-tertbutyl phenol).
Chemical Structure
Introduction / Features
PowerNox™ 2246 is one of the most widely used antioxidants for white, light colored and transparent vulcanates that are based on natural or synthetic rubbers. It can be used with any light-colored or colored product.
Physical Properties
Chemical Name: 2, 2’-methylenebis(4-methyl-6-tertbutyl phenol)
CAS No.: 119-47-1
EINECS No.: 204-327-1
Formula: C23H32O2
Molecular Weight: 341
Melting Point(°C): 128-132
Volatile Loss(%): Max.0.3
Appearance: Pale cream to white powder
Ash Content(%): Max.0.25%
Min. Purity: 95%

Solubility (20°C) % w/w
Acetone: 175
Chloroform: 62
Ethanol: 154
Ethyl acetate: 134
n-Hexane: 8
Methanol: 1.7
Toluene: 62
Water: <0.01

Applications
PowerNox™ 2246 is added directly into the rubber product of choice to prevent polyphase deformation due to hot oxygen and UVA exposure. It can also be used to passivate metal salts. In the plastic industry, antioxidant 2246 can prevent thermal and light aging in materials such as chlorinated polyether, high impact polystyrene, ABS resin, polyformaldehyde, and cellulose resin. Used as a reducing agent, nylon whitener, and synthetic fiber in plastic industry; as materials for producing weedicide, bactericide and water stabilizer in pesticide industry.
Packings
PowerNox™ 2246 is supplied in 20kg cartons or paper bag.
Technical Library
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