|Appearance||Amber to brown granular or flaky|
|Softening point /℃||80.0-100.0|
|Ash% ≤||Zero point five zero|
|Heating reduction% ≤||Zero point five zero|
Light yellow or white powder crystal. Bitter. The proportion of 1.42 + 0.02. Soluble in ethanol, acetone and ethyl acetate, insoluble in petroleum ether, dichloromethane, insoluble in carbon tetrachloride, benzene and water. Non-toxic。
Antioxidant RD is mainly used as rubber antioxidant. Suitable for natural rubber and nitrile butadiene, ethylene propylene and chlorine, synthetic rubber, etc.. The heat and oxygen aging protection effect is excellent, but the flex aging protection effect is poor. With the use of antioxidant AW or with two of benzene amine antioxidant, is the manufacture of tires, rubber hose, rubber belt, wire and rubber products such as the commonly used antioxidant.