Acrylonitrile

CAS RN:107-13-1

Other Properties

... Yellowing upon exposure to light indicates photo-alteration to saturated derivatives.

Solubility of water in acrylonitrile: 3.1 parts water/100 parts acrylonitrile

Saturated concentration in air = 257 g/cu m at 20 deg C; 383 g/cu m at 30 deg C

Dielectric constant at 33.5 MHz = 38; dipole moment = 1.17X10-29 C-m (liquid phase), 1.924X10-29 C-m (vapor phase); molar refractivity (D line) = 15.67; molar heat of fusion = 6.61 kJ/mol; ionization potential = 10.75 eV; free energy of formation = 195 kJ/mol at 25 deg C; enthalpy of formation (at 25 deg C): 185 kJ/mol (gas), 150 kJ/mol (liquid); molar heat capacity: 2.09 kJ/kg K (liquid), 1.204 kJ/kg K (gas at 50 deg C and 1 atm); entropy (gas at 25 deg C, 1 atm) = 274 kJ/mol K

Forms azeotropes with tetrachlorosilane, water, isopropyl alcohol, benzene, methanol, carbon tetrachloride, chlorotrimethylsilane.

Henry's Law constant = 1.38X10-4 atm cu m/mole at 25 deg C

Hydroxyl radical rate constant = 4.10X10-12 cu cm/molecule-sec at 25 deg C

Find more information on this substance at: Hazardous Substances Data Bank , TOXMAP , TOXNET , PubMed