Formula C2H4Cl2 Molar mass 98.96 g/mol CAS Number 107-06-2 Density 1.256 g/mL at 25°C (77°F) – lit. Purity/Grade 99.8% anhydrous Appearence Liquid Melting point/freezing point Melting point/range: – 35°C (-31°F) – lit. Initial boiling point and boiling range 83°C (181°F) – lit. Flash point 13.0°C (55.4°F) – closed cup – Tested according to Annex V of Directive 67/548/EEC. Vapour pressure 33.3hPa (25.0mmHg) at 0°C (32°F), 86hPa (65mmHg) at 20°C (68°F) – Tested according to Annex V of Directive 67/548/EEC., 312hPa (234mmHg) at 50°C (122°F) Water solubility 8.69 g/l at 20 °C (68 °F) – Tested according to Annex V of Directive 67/548/EEC. – slightly soluble, 10.3 g/l at 56°C (133°F) Auto-ignition temperature 413.0°C (775.4°F) Partition coefficient: n-octanol/water log Pow: 1.48 at 20°C (68°F) – Tested according to Annex V of Directive 67/548/EEC.