1,7-Octadiene

1,7-Octadiene
Names
	Preferred IUPAC name Octa-1,7-diene
Identifiers
CAS Number	3710-30-3;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:183652;
ChemSpider	18338;
ECHA InfoCard	100.020.959
EC Number	223-054-9;
PubChem CID	19460;
RTECS number	RG5250000;
UNII	N4H29T34J2;
UN number	2309
CompTox Dashboard (EPA)	DTXSID6063147 ;
	InChI InChI=1S/C8H14/c1-3-5-7-8-6-4-2/h3-4H,1-2,5-8H2 Key: XWJBRBSPAODJER-UHFFFAOYSA-N;
	SMILES C=CCCCCC=C;
Properties
Chemical formula	C8H14
Molar mass	110.200 g·mol−1
Appearance	Colorless liquid
Density	0.746 g/mL at 25 °C
Boiling point	114–121 °C (237–250 °F; 387–394 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H304, H410, H412
Precautionary statements	P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, P501
Related compounds
Related alkenes; and dienes	Isoprene; Chloroprene
Related compounds	Butane
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

1,7-Octadiene is an organic compound with the formula (CH₂=CHCH₂CH₂)₂. It is a colorless liquid that serves as a precursor to specialty polymers. It arises commercially by the dimerization of butadiene in the presence of hydrogen. Some of the 1,6-octadiene is also formed. 1,7-Octadiene can be converted to the diol by hydroformylation followed by hydrogenation of the dialdehyde. In a related process, 1,7-Octadiene undergoes hydrocyanation to give dinitrile, which can be hydrogenated to give 1,10-diaminodecane.