Melting point/freezing point:170 °C. Atm. press.:Ca. 1 atm.
Boiling point or initial boiling point and boiling range:275°C
Flash point:80°C(lit.)
Auto-ignition temperature:390 °C. (Remarks:Pure substance.;Ca. 240 °C. Remarks:1 : 1 mixture with kieselgur.)
Density and/or relative density:1.409 g/cm³. (Temperature:24 °C.) Usage:Disperse red 9 used for polyester, nylon, acrylic, acetate fiber, blended fabric and triacetate fiber dyeing, sheepskin and plastic dyeing. Used for dyeing polyvinyl chloride and acetate fibers. Good levelness, high increase rate.