Dibenzothiophen-2-yl-phenyl-amine, commonly referred to as DTPPA, is a chemical used in the chemical industry. It is an organic amine derivative of the dibenzothiophene family and has a molecular weight of 252.36 g/mol. It is a colorless to light yellow liquid with a melting point of 106-107 °C and a boiling point of 180-182 °C.
DTPPA is primarily used in the production of rubber accelerators, polymerization catalysts, and antioxidants. It is used as an accelerant for sulfur vulcanization of rubber, which increases the rate at which sulfur crosslinks with the rubber molecules, resulting in faster vulcanization. DTPPA is also used as a catalyst for the production of polymers such as polyethylene, polypropylene, and polyurethane. In addition, it is used as an antioxidant in the production of lubricants and plastic resins.
The production of DTPPA typically involves the reaction of dibenzothiophene and aniline in the presence of an acid catalyst. The resulting product is then purified and isolated via distillation or crystallization.
The physical and chemical properties of DTPPA make it a useful chemical for many industrial processes. It is resistant to oxidation, hydrolysis, and sunlight, and has low volatility and low toxicity. It has a low vapor pressure, high boiling point, and low water solubility.
DTPPA is used in a wide range of applications, including rubber production, polymer production, lubricants, and plastic resins. It is also used in a variety of other industries such as pharmaceuticals, agrochemicals, and cosmetics. Due to its wide range of uses, DTPPA is an important chemical for the chemical industry. It is also an important component in the production of other chemicals such as rubber accelerators, polymerization catalysts, and antioxidants.
Cas number: 1300028-91-4