Intergas International Gases and Chemicals Limited

Intergas Products > Hydrocarbons > Dimethylacetylene

UN 1144

DESCRIPTION: Dimethylacetylene (C4H6) is a clear, colourless liquid with a characteristic acetylenic odour.

TYPICAL APPLICATIONS: Dimethylacetylene has some anesthetic activity and can act as a simple asphyxiant. It is also used in organic synthesis.

Order Dimethylacetylene: +44 (0) 1782 822061 or Contact Us.
View Material Safety Data Sheet (MSDS)

Grade Impurities 98.0% (N1.8)
(Liquid Phase) (Vol. %)
1-Butene < 0.25
2-Butene, c&t < 0.25
1,2-Butadiene < 0.25
1-Butyne < 1


Cylinder Size Volume (Kg)
LB 0.1
B1al 0.4
B5al 2
B10st 4
Cylinder Data
Supplied as a liquefied gas under its own vapour pressure in steel or aluminium cylinders.
Standard sizes / volumes shown -
larger volumes are available on request.


INTERGAS can supply any internationally recognised valve type. For 2-Butyne 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 54.09
Boiling Point 26.95°C
Density 1.449 g/cm³
Vapour Pressure 0.78 bar


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