Isocetane

Isocetane
Names
	IUPAC name 2,2,4,4,6,8,8-Heptamethylnonane
Identifiers
CAS Number	4390-04-9 ;
3D model ( JSmol)	Interactive image;
ChEBI	CHEBI:131383 ;
ChemSpider	19228 ;
ECHA InfoCard	100.022.280
EC Number	224-506-8;
MeSH	2,2,4,4,6,8,8-heptamethylnonane
PubChem CID	20414;
UNII	8LP0677305 ;
CompTox Dashboard (EPA)	DTXSID7052101 ;
	InChI InChI=1S/C16H34/c1-13(10-14(2,3)4)11-16(8,9)12-15(5,6)7/h13H,10-12H2,1-9H3 Key: VCLJODPNBNEBKW-UHFFFAOYSA-N ;
	SMILES C(C)(C)CC(C)CC(C)(C)CC(C)(C)C;
Properties
Chemical formula	C16H34
Molar mass	226.448 g·mol−1
Appearance	Colourless liquid
Odor	Odourless
Density	793 mg mL−1
Boiling point	240.1 °C; 464.1 °F; 513.2 K
Vapor pressure	130 Pa (at 20 °C)
Refractive index (nD)	1.439
Thermochemistry
Heat capacity (C)	458.80 J K−1 mol−1
Hazards
Flash point	96.00 °C (204.80 °F; 369.15 K)
Related compounds
Related alkanes	2,3-Dimethylhexane; 2,5-Dimethylhexane; Pristane;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Isocetane (2,2,4,4,6,8,8-heptamethylnonane) is a highly branched

1-methylnaphthalene in 1962 as the lower reference for cetane number (1-methylnaphthalene has cetane number zero) owing to the oxidation instability and difficulty of use of 1-methylnaphthalene in the reference engine.^[3]^[4]

Strictly speaking, if the standard meaning of ‘iso’ is followed, the name isocetane should be reserved for the isomer

cetane

and so, historically, it has ended up with this name.

References

^ "2,2,4,4,6,8,8-heptamethylnonane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Archived from the original on 30 October 2013. Retrieved 12 March 2012.
OCLC 903318141
.

^ "Cetane number". Archived from the original on 2014-03-12. Retrieved 2007-03-01.

^ Jääskeläinen, Hannu (2007). Fuel Property Testing: Ignition Quality. DieselNet Technology Guide (Technical report). ECOpoint Inc. Archived from the original on 2019-06-26. Retrieved 2021-02-24.

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[1] "2,2,4,4,6,8,8-heptamethylnonane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Archived from the original on 30 October 2013. Retrieved 12 March 2012.

[Speight2015-2] OCLC 903318141
.

[3] "Cetane number". Archived from the original on 2014-03-12. Retrieved 2007-03-01.

[Hannu-4] Jääskeläinen, Hannu (2007). Fuel Property Testing: Ignition Quality. DieselNet Technology Guide (Technical report). ECOpoint Inc. Archived from the original on 2019-06-26. Retrieved 2021-02-24.

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