4-Octyne

4-Octyne
Names

Other names Oct-4-yne Dipropylacetylene 1,2-Dipropylacetylene Dipropylethyne
Identifiers
CAS Number	1942-45-6
3D model (JSmol)	Interactive image
ChemSpider	15221
ECHA InfoCard	100.016.119
EC Number	217-730-2
PubChem CID	16029
InChI InChI=1S/C8H14/c1-3-5-7-8-6-4-2/h3-6H2,1-2H3 Key: GZTNBKQTTZSQNS-UHFFFAOYSA-N InChI=1/C8H14/c1-3-5-7-8-6-4-2/h3-6H2,1-2H3 Key: GZTNBKQTTZSQNS-UHFFFAOYAB
SMILES CCCC#CCCC
Properties
Chemical formula	C₈H₁₄
Molar mass	110.20 g·mol⁻¹
Density	0.751 g/mL
Boiling point	131–132 °C (268–270 °F; 404–405 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

4-Octyne, also known as dipropylethyne, is a type of alkyne with a triple bond at its fourth carbon (the '4-' indicates the location of the triple bond in the chain). Its formula is C₈H₁₄. Its density at 25 °C and otherwise stable conditions is 0.751 g/mL. The boiling point is 131–132 °C. The average molar mass is 110.20 g/mol.

4-Octyne forms with 5-decyne, 3-hexyne, and 2-butyne a group of symmetric alkynes.

External links

Sigma-Aldrich Co., 4-Octyne. Retrieved on 16 August 2016.

Alkynes
Ethyne ( C 2H 2 ) Propyne ( C 3H 4 ) Butyne ( C 4H 6 ) 1 2 Pentyne ( C 5H 8 ) 1 2 Hexyne ( C 6H 10 ) Heptyne ( C 7H 12 ) Octyne ( C 8H 14 ) 2 4 Nonyne ( C 9H 16 ) Decyne ( C 10H 18 ) 1 5

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