Heptene

1-Heptene
Names

Preferred IUPAC name Hept-1-ene
Identifiers
CAS Number	1-heptene: 592-76-7^Y 2-heptene: 592-77-8 3-heptene: 592-78-9
3D model (JSmol)	1-heptene: Interactive image 3-heptene: Interactive image cis-2-: Interactive image trans-2-: Interactive image
ChemSpider	11121^Y
ECHA InfoCard	100.008.881
EC Number	2-heptene: 209-768-3 3-heptene: 209-769-9
PubChem CID	1-heptene: 11610 2-heptene: 11611 3-heptene: 11612 cis-2-: 643836 trans-2-: 639662
UNII	O748KJ11V7^Y
UN number	2278
CompTox Dashboard (EPA)	DTXSID2060466
InChI 1-heptene: InChI=1S/C7H14/c1-3-5-7-6-4-2/h3H,1,4-7H2,2H3^Y Key: ZGEGCLOFRBLKSE-UHFFFAOYSA-N^Y 3-heptene: InChI=1S/C7H14/c1-3-5-7-6-4-2/h5,7H,3-4,6H2,1-2H3 Key: WZHKDGJSXCTSCK-UHFFFAOYSA-N cis-2-: InChI=1S/C7H14/c1-3-5-7-6-4-2/h3,5H,4,6-7H2,1-2H3/b5-3- Key: OTTZHAVKAVGASB-HYXAFXHYSA-N trans-2-: InChI=1S/C7H14/c1-3-5-7-6-4-2/h3,5H,4,6-7H2,1-2H3/b5-3+ Key: OTTZHAVKAVGASB-HWKANZROSA-N
SMILES 1-heptene: C=CCCCCC 3-heptene: CCCC=CCC cis-2-: CCCC/C=C\C trans-2-: CCCC/C=C/C
Properties^[1]
Chemical formula	C₇H₁₄
Molar mass	98.189 g·mol⁻¹
Appearance	Colorless liquid
Density	0.697 g/mL
Melting point	−119 °C (−182 °F; 154 K)
Boiling point	94 °C (201 °F; 367 K)
Hazards^[1]
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H304, H410
Precautionary statements	P210, P233, P240, P241, P242, P243, P273, P280, P301+P310, P303+P361+P353, P331, P370+P378, P391, P403+P235, P405, P501
Flash point	−9 °C (16 °F; 264 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references

Heptene is a higher olefin, or alkene with the formula C₇H₁₄. The commercial product is a liquid that is a mixture of isomers. It is used as an additive in lubricants, as a catalyst, and as a surfactant. This chemical is also known as heptylene.

A log-lin vapor pressure chart of Heptene compared with various liquids

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References

^ ^a ^b 1-Heptene at Sigma-Aldrich

Carl Schaschke, 2014, A Dictionary of Chemical Engineering, Oxford University Press.
G. I. Nikishin, Yu. N. Ogibin & L. Kh. Rakhmatullina, 1975, ‘Peroxydisulfate-initiated reactions of 1-heptene with acetic and propionic acids’, Bulletin of the Academy of Sciences of the USSR, Division of chemical science, volume 23, pages1479–1483
Yu. D. Shenin, T. V. Kotenko & A. N. Egorenkova, Nystatin. IV. 1969, The heptaene component of samples of nystatin-nursimicin, Pharmaceutical Chemistry Journal volume 3, pages 631–634
Nicholas E. Leadbeater, Cynthia B. McGowan, 2013, Experiment 2: Second-Order Elimination Reaction Preparation of Heptene from 2-Bromoheptane, Laboratory Experiments Using Microwave Heating, chapter 3
E. S. Mortikov, M. I. Rozengart & B. A. Kazanskii, 1968, Dehydrocyclization of n-heptenes under conditions of a pulsed system and in the usual flow-type setup, Bulletin of the Academy of Sciences of the USSR, Division of chemical science volume 17, pages95–98(1968)

v t e Alkenes
Alkenes	Ethene (C₂H₄) Propene (C₃H₆) Butene (C₄H₈) Pentene (C₅H₁₀) Hexene (C₆H₁₂) Heptene (C₇H₁₄) Octene (C₈H₁₆) Nonene (C₉H₁₈) Decene (C₁₀H₂₀)
Preparations	Dehydrohalogenation from haloalkane Dehydration reaction from alcohol Semihydrogenation from alkyne Bamford–Stevens reaction Barton–Kellogg reaction Boord olefin synthesis Chugaev elimination Cope reaction Corey–Winter olefin synthesis Grieco elimination Hofmann elimination Horner–Wadsworth–Emmons reaction Hydrazone iodination Julia olefination Kauffmann olefination McMurry reaction Peterson olefination Ramberg–Bäcklund reaction Shapiro reaction Takai olefination Wittig reaction Olefin metathesis Ene reaction Cope rearrangement
Reactions	Hydrogenation Halogenation Hydration Electrophilic addition Oxymercuration reaction Hydroboration Cyclopropanation Epoxidation Dihydroxylation Ozonolysis Hydrohalogenation Polymerization Diels–Alder reaction Wacker process Dehydrogenation Ene reaction Friedel-Crafts Alkylation

Binary compounds of hydrogen

Alkali metal
(Group 1) hydrides

Alkaline
(Group 2)
earth hydrides

Monohydrides	BeH MgH CaH SrH BaH

Dihydrides	BeH₂ MgH₂ CaH₂ SrH₂ BaH₂

Group 13
hydrides

Boranes	BH₃ BH B₂H₆ B₂H₂ B₂H₄ B₄H₁₀ B₅H₉ B₅H₁₁ B₆H₁₀ B₆H₁₂ B₁₀H₁₄ B₁₈H₂₂

Alanes	AlH₃ Al₂H₆

Gallanes	GaH₃ Ga₂H₆

Indiganes	InH₃ In<sub>2</sub>H<sub>6</sub>

Thallanes	TlH₃ Tl<sub>2</sub>H<sub>6</sub>

Group 14 hydrides

Hydrocarbons	alkanes alkenes alkynes Cycloalkanes Cycloalkenes Cycloalkynes Annulenes

Silanes	SiH₄ Si₂H₆ Si₃H₈ Si₄H₁₀ Si₅H₁₂ Si₆H₁₄ Si<sub>7</sub>H<sub>16</sub> Si<sub>8</sub>H<sub>18</sub> Si<sub>9</sub>H<sub>20</sub> Si<sub>10</sub>H<sub>22</sub> more...

Silenes	Si₂H₄

Silynes	Si₂H₂ SiH

Germanes	GeH₄ Ge₂H₆ Ge<sub>3</sub>H<sub>8</sub> Ge<sub>4</sub>H<sub>10</sub> Ge<sub>5</sub>H<sub>12</sub>

Stannanes	SnH₄ Sn<sub>2</sub>H<sub>6</sub>

Plumbanes	PbH₄

Pnictogen
(Group 15) hydrides

Azanes	NH₃ N₂H₄ N₃H₅ N<sub>4</sub>H<sub>6</sub> N<sub>5</sub>H<sub>7</sub> N<sub>6</sub>H<sub>8</sub> N<sub>7</sub>H<sub>9</sub> N<sub>8</sub>H<sub>10</sub> N<sub>9</sub>H<sub>11</sub> N<sub>10</sub>H<sub>12</sub> more...

Azenes	N₂H₂ N₃H₃ N₄H₄

Phosphanes	PH₃ P₂H₄ P₃H₅ P<sub>4</sub>H<sub>6</sub> P<sub>5</sub>H<sub>7</sub> P<sub>6</sub>H<sub>8</sub> P<sub>7</sub>H<sub>9</sub> P<sub>8</sub>H<sub>10</sub> P<sub>9</sub>H<sub>11</sub> P<sub>10</sub>H<sub>12</sub> more...

Phosphenes	P₂H₂ P<sub>3</sub>H<sub>3</sub> P<sub>4</sub>H<sub>4</sub>

Arsanes	AsH₃ As₂H₄

Stibanes	SbH₃

Bismuthanes	BiH₃

Hydrogen
chalcogenides
(Group 16 hydrides)

Polyoxidanes	H₂O H₂O₂ H₂O₃ H₂O₄ H₂O₅ H₂O₆ H₂O₇ H₂O₈ H₂O₉ H₂O₁₀ more...

Polysulfanes	H₂S H₂S₂ H₂S₃ H<sub>2</sub>S<sub>4</sub> H<sub>2</sub>S<sub>5</sub> H<sub>2</sub>S<sub>6</sub> H<sub>2</sub>S<sub>7</sub> H<sub>2</sub>S<sub>8</sub> H<sub>2</sub>S<sub>9</sub> H<sub>2</sub>S<sub>10</sub> more...