Intergas International Gases and Chemicals Limited

Intergas Products > Hydrocarbons > Isobutylene

UN 1055

DESCRIPTION: Isobutylene (C4H8) is a colourless flammable gas at room temperature and atmospheric pressure, and has an unpleasant odour, similar to coal gas.

TYPICAL APPLICATIONS: Isobutylene is used in organic synthesis and in the production of high octane aviation gasoline.

Order Isobutylene: +44 (0) 1782 822061 or Contact Us.

Grade Impurities 99.0% (N2.0)
(Liquid Phase) (Vol. PPM)
1-Butene < 1000
n-Butane < 3000
2-Butenes < 1000
Moisture < 10
< 1


Cylinder Size Volume (Kg)
B10st 5.2
B45lst 22.4
B50st 26
B110lst 56.2
D450lst 234
Cylinder Data
Supplied as a liquefied gas under its own vapour pressure in steel or aluminium cylinders.
Standard sizes / volumes as listed -
larger volumes are available on request.


INTERGAS can supply any internationally recognised valve type. For Isobutylene the standard international valve types are as follows:
American CGA 510
British BS 341-4
European DIN 477-1
Recommended Regulator
Single stage brass or stainless steel body with stainless steel internals.
INTERGAS has a variety of suitable handling equipment for this product - please enquire.
Gas Data
Mol. Weight 56.108
Boiling Point -6.9°C
Density 2.307 g/cm³
Vapour Pressure 2.25 bar


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