Melting point 102-104°C(dec.)(lit.) Boiling point 281.68°C(roughestimate) Density 1.11 Vapor pressure 0.81Paat24.85 °C Refractive index n20/D1.495 Flash point 4°C Storage conditions 2-8°C Solubility Soluble in chloroform (a little), methanol (a little) form solids Crystallization smell in the color of ethanol (she) tasteless water solubility InsolubleMerck13, 920 brn1708400 stability flammable solid. Shock sensitive. The heat is unstable. May explode when mixed with prochemicalbook or heptane. Incompatible with oxidants. InChIKeyOZAIFHULBGXAKX-VAWYXSNFSA-NLogP1.1at25℃CAS database 78-67-1(CASDataBaseReference)NIST chemical substance Information 2,2' -AZo-BIS-isobutyronitril e(78-67-1)EPA Chemical Substance Information Azobis(isobutyronitrile)(78-67-1)