: 75-07-0 molecular weight: 44.1 appearance: colorless liquid melting point: -123.5&#176; boiling point at 1 atm: 20.16&#176;C vapor pressure at 20&#176;C: 100.6 kPa (755 mm Hg) density at 20&#176;C: 0.7780 g/mL solubility: miscible with water and most organic solvents flash point (closed cup): -38&#176;C structural formula: autoignition temperature: 175&#176;C (Ref.