Mrv1572004191601152D 3 2 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 0.8250 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 3 1 2 0 0 0 0 3 2 2 0 0 0 0 M END > CHEM004236 > chemdb > C=C=C > InChI=1S/C3H4/c1-3-2/h1-2H2 > IYABWNGZIDDRAK-UHFFFAOYSA-N > C3H4 > 40.065 > 40.031300129 > 0 > 7 > 4.869212368080625 > 1 > 0 > 0 > 0 > propa-1,2-diene > 1.67 > 1.3437309139999998 > -0.14 > 0 > 0 > 0 > 0.0 > 14.2575 > 0 > 1 > 2.87e+01 g/l > allene > 1 > 1,2-Propadiene > 463-49-0 > Propadiene $$$$