2-Xylene

CAS RN: 95-47-6

Other Properties

Dielectric constant 2.568 at 25 deg C
Critical density: 2.71 mmol/cu cm; Critical volume: 369.0 cu cm/mol
Heat of fusion: 13.6 kJ/mol
Heat of formation: (endothermal) at 25 deg C = -24.439 J/mole deg K
Standard molar entropy at 25 deg C: 246.5 J/mole deg K
... Combustion characteristics: critical compression ratio 13.6; research octane value 117.5 and motor octane number is 8 units lower.
Saturation concentration in air: 29 g/cu m at 20 deg C; 50 g/cu m at 30 deg C
Enthalpy of crystallization, kJ/kg: 109
Henry's Law constant = 5.18X10-3 atm-cu m/mol at 25 deg C
Hydroxyl radical reaction rate constant = 1.36X10-11 cu m/molec-sec at 25 deg C
Find more information on this substance at: PubChem, PubMed