Dimethylacetylene

Dimethylacetylene^[1]^[2]


IUPAC name 2-Butyne
Other names Dimethylacetylene Crotonylene
Identifiers
CAS number	503-17-3^Y
PubChem	10419
ChemSpider	9990^Y
ChEMBL	CHEMBL119108^Y
Jmol-3D images	Image 1
SMILES C(#CC)C
InChI InChI=1S/C4H6/c1-3-4-2/h1-2H3^Y Key: XNMQEEKYCVKGBD-UHFFFAOYSA-N^Y InChI=1/C4H6/c1-3-4-2/h1-2H3 Key: XNMQEEKYCVKGBD-UHFFFAOYAO
Properties
Molecular formula	C₄H₆
Molar mass	54.0904 g/mol
Density	0.691 g/mL
Melting point	-32 °C, 241 K, -26 °F
Boiling point	27 °C, 300 K, 81 °F
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Dimethylacetylene (crotonylene or 2-butyne) is an alkyne with chemical formula C H₃C≡C C H₃. Produced artificially, it is a colorless, volatile, pungent liquid at standard temperature and pressure.

References

Alkynes

Ethyne ( C₂H₂ ) • Propyne ( C₃H₄ ) • Butyne ( C₄H₆ ) • Pentyne ( C₅H₈ ) • Hexyne ( C₆H₁₀ ) • Heptyne ( C₇H₁₂ ) • Octyne ( C₈H₁₄ ) • Nonyne ( C₉H₁₆ ) • Decyne ( C₁₀H₁₈ ) • Undecyne ( C₁₁H₂₀ )