but-2-yne
503-17-3
254339_ALDRICH
InChI=1/C4H6/c1-3-4-2/h1-2H
2-BUTYNE
Crotonylene [UN1144]  [Flammable liquid]
EINECS 207-962-2
UN1144
Crotonylene
Dimethylacetylene
19178_FLUKA