Petroleumether

Physicochemical properties
Density: 0.75 g/mL at 20 °C
Boiling point: 40-60°C
Melting point: <-100°C
Molecular weight: 112
Flash point: <-30°C
Appearance: Liquid | Clear colorless
Refractive index: n20/D 1.417
Storage conditions: sealed in a cool and dry environment
Stability: It will not decompose if used and stored in accordance with the regulations.
Water solubility: 0.01g/l practically insoluble

Petroleum ether use
Used as a solvent, extractant and detergent.

Petroleum ether preparation
Take high-grade solvent gasoline as raw material, wash with sulfuric acid, potassium permanganate solution, alkali solution, distilled water, rectify, collect 30～60℃ distillate
That's it.