Mrv0541 02241221092D 2 1 0 0 0 0 999 V2000 0.8250 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0000 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 0 0 0 0 M END > CHEM003997 > chemdb > C#C > InChI=1S/C2H2/c1-2/h1-2H > HSFWRNGVRCDJHI-UHFFFAOYSA-N > C2H2 > 26.0373 > 26.015650064 > 0 > 2.879530865528642 > 1 > 0 > 0 > 0 > acetylene > -0.03 > 0.15384704066666668 > -1.65 > 0 > 0 > 0 > 0 > 8.565999999999999 > 0 > 1 > 5.82e-01 g/l > acetylene > 1 > Acetylene > 74-86-2 > Ethyne; Polyacetylene $$$$