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Apr 16, 2018

English name: n-Heptane
English alias: Dipropylmethane; Heptane; Heptyl hydride; n-Heptane? Normal heptane
CAS: 142-82-5
EINECS: 205-563-8
Criteria number: 32006
Hazard Category: Flashpoint flammable liquids in category 3.2
Molecular Formula: C7H16
Molecular weight: 100.2019
The main ingredients: pure product
Appearance and properties: colorless and volatile liquid.
Melting point (°C): -90.5
Boiling Point (°C): 98.5
Relative density (water = 1): 0.68
Relative vapor density (air = 1): 3.45
Saturated vapor pressure (kPa): 5.33 (22.3°C)
Heat of combustion (kJ/mol): 4806.6
Critical temperature (°C): 266.98°C
Critical pressure (MPa): 2.74
Flash point (°C): -4 Ignition temperature (°C): 204
Explosive Limit%(V/V): 6.7
Lower explosion limit (V/V): 1.1
Solubility: Insoluble in water, soluble in alcohol, miscible in ether and chloroform.