Katusepapi tn 4, korpus B1, postkast nr 4, Tallinn, Harju maakond, 11412


Industrial chemistry


CAS №: 287-92-3

ЕС №: 206-016-6

Molecular formula: C5H10

Other name: Pentamethylene

Cyclopentane is colorless liquid with a characteristic odor kerosene is insoluble in water, miscible with organic solvents. Cyclopentane is also contained in the oil.


Cyclopentane is used in the manufacture of synthetic resins and rubber adhesives and also as a blowing agent in the manufacture of polyurethane insulating foam, as found in many domestic appliances such as refrigerators and freezers, replacing environmentally damaging alternatives such as CFC-11 and HCFC-141b.

Physical properties

Molar mass g/mol 70.1
Melting temperature °C -93.9
Boiled temperature °C 49.3
Flash point °C -37.2
Liquid density, 20°C g/cm3 0.745
Vapor density g/cm3 2.4
Refractive index   1.4065

Quality Standard:

Cyclopentane 95%
Iso-pentane ≤ 0.5%
N-Pentane ≤ 2%
N-hexane ≤ 10PPM
Water ≤ 150PPM


• Steel drum, 125 kg;

• Isotank.

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