2.3 (99.3 % pure)
Available in rental cylinders
DIN 477 No 1 (W21.80 X 1/14 LH)
One of the two isomers of Butadiene, differing in the position of the double bonds.
Colourless, not very toxic, combustible gas with a tendency to polymerise. Readily soluble in organic solvents.
An inhibitor (usually tert-butylcatechol) is added for storage.
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