Antioxidant 4020(6PPD) CAS No: 793-24-8
Chemical name: N(1,3-dimethyl-butyl)-N'-phenyl-P-phenylenediamine
Molecular formula: C 18 H 24 N 2
Property: Blackish brown solid(S.G.:1.1), soluble in gasoline, benzene, acetone and etc. Insoluble in water. It will become black on exposure to air, but there is no effect on its properties. Due to low melting point, it should be stored away from high temperature.
Appearance: Blackish brown melted particles.
Freezing point: 44.0°C min.
Loss of weight : 0.5% max.
Ash: 0.3% max.
Uses: An antioxidant used for rubber products with high efficiency, low poison and low solvent-extraction amount. Also used as stabilizer in synthetic rubber which is widely applied in many kinds of rubber products.