2,5-Dimethylhexane

{{Chembox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 477211885 | ImageFile = 2,5-dimethylhexane.png | ImageFile_Ref = {{chemboximage|correct|??}} | ImageSize = 160 | ImageName = Skeletal formula of 2,5-dimethylhexane | ImageFile1 = 2,5-Dimethylhexane-3D-balls.png | ImageFile1_Ref = {{chemboximage|correct|??}} | ImageSize1 = 160 | ImageName1 = Ball and stick model of 2,5-dimethylhexane | PIN = 2,5-Dimethylhexane<ref>{{Cite web|title=2,5-DIMETHYLHEXANE - Compound Summary|url=https://pubchem.ncbi.nlm.nih.gov/compound/11592|work=PubChem Compound|publisher=National Center for Biotechnology Information|access-date=12 March 2012|location=USA|date=26 March 2005|at=Identification and Related Records}}</ref> |Section1={{Chembox Identifiers | CASNo = 592-13-2 | CASNo_Ref = {{cascite|correct|CAS}} | UNII_Ref = {{fdacite|correct|FDA}} | UNII = PCS13D63P8 | PubChem = 11592 | ChemSpiderID = 11104 | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | EINECS = 209-745-8 | UNNumber = 3295 | Beilstein = 1696877 | SMILES = CC(C)CCC(C)C | StdInChI = 1S/C8H18/c1-7(2)5-6-8(3)4/h7-8H,5-6H2,1-4H3 | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey = UWNADWZGEHDQAB-UHFFFAOYSA-N | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} }} |Section2={{Chembox Properties | C=8 | H=18 | Appearance = Colourless liquid | Odor = Odourless | Density = 694 mg mL⁻¹ | MeltingPtK = 180 to 184 | BoilingPtK = 381.2 to 383.0 | VaporPressure = 7.582 kPa (at 37.7 °C) | HenryConstant = 3.0 nmol Pa⁻¹ kg⁻¹ | RefractIndex = 1.392 | MagSus = −98.15·10⁻⁶ cm³/mol }} |Section3={{Chembox Thermochemistry | DeltaHf = −262.0 – −259.0 kJ mol⁻¹ | DeltaHc = −5.4615 – −5.4587 MJ mol⁻¹ | HeatCapacity = 249.20 J K⁻¹ mol⁻¹ }} |Section4={{Chembox Hazards | GHSPictograms = {{GHS flame}} {{GHS exclamation mark}} {{GHS health hazard}} {{GHS environment}} | GHSSignalWord = '''DANGER''' | HPhrases = {{H-phrases|225|304|315|336|410}} | PPhrases = {{P-phrases|210|261|273|301+310|331}} | FlashPtC = 26 | ExploLimits = 0.98–?% }} |Section5={{Chembox Related | OtherFunction_label = alkanes | OtherFunction = {{Unbulleted list|Tetraethylmethane|2,2,4-Trimethylpentane|2,3,3-Trimethylpentane|2,3,4-Trimethylpentane|Tetra-''tert''-butylmethane|2,3-Dimethylhexane|Isocetane}} }} }} '''2,5-Dimethylhexane''' is a branched alkane used in the aviation industry in low revolutions per minute helicopters.<ref>{{Cite journal |last1=Sarathy |first1=S. Mani |last2=Javed |first2=Tamour |last3=Karsenty |first3=Florent |last4=Heufer |first4=Alexander |last5=Wang |first5=Weijing |last6=Park |first6=Sungwoo |last7=Elwardany |first7=Ahmed |last8=Farooq |first8=Aamir |last9=Westbrook |first9=Charles K. |last10=Pitz |first10=William J. |last11=Oehlschlaeger |first11=Matthew A. |last12=Dayma |first12=Guillaume |last13=Curran |first13=Henry J. |last14=Dagaut |first14=Philippe |date=2014-01-16 |title=A comprehensive combustion chemistry study of 2,5-dimethylhexane |url=https://www.osti.gov/biblio/1755830 |journal=Combustion and Flame |language=English |volume=161 |issue=6 |pages=1444–1459 |doi=10.1016/j.combustflame.2013.12.010 |bibcode=2014CoFl..161.1444S |issn=0010-2180|hdl=10754/563566 |osti=1755830 |s2cid=96077924 |hdl-access=free }}</ref> As an isomer of octane, the boiling point is very close to that of octane, but can in pure form be slightly lower. 2,5-Dimethylhexane is moderately toxic.

==References== {{Reflist}}

{{DEFAULTSORT:Dimethylhexane, 2,5-}} Category:Alkanes