Names | |
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IUPAC name
2,3,4-Trimethylpentane
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Identifiers | |
565-75-3 | |
3D model (Jmol) | Interactive image |
1696869 | |
ChemSpider | 10795 |
ECHA InfoCard | 100.008.448 |
EC Number | 209-292-6 |
MeSH | 2,3,4-trimethylpentane |
PubChem | 11269 |
RTECS number | SA3321500 |
UN number | 3295 |
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Properties | |
C8H18 | |
Molar mass | 114.23 g·mol−1 |
Appearance | Colourless liquid |
Odor | Odourless |
Density | 719 mg mL−1 |
Melting point | −109.7 to −109.0 °C; −165.5 to −164.1 °F; 163.4 to 164.2 K |
Boiling point | 113.4 to 114.0 °C; 236.0 to 237.1 °F; 386.5 to 387.1 K |
Vapor pressure | 6.7549 kPa (at 37.7 °C) |
Henry's law
constant (kH) |
5.6 nmol Pa−1 kg−1 |
Refractive index (nD)
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1.404 |
Thermochemistry | |
247.32 J K−1 mol−1 | |
Std molar
entropy (S |
329.32 J K−1 mol−1 |
Std enthalpy of
formation (ΔfH |
−256.9–−253.5 kJ mol−1 |
Std enthalpy of
combustion (ΔcH |
−5.4671–−5.4639 MJ mol−1 |
Hazards | |
GHS pictograms | |
GHS signal word | DANGER |
H225, H304, H315, H336, H410 | |
P210, P261, P273, P301+310, P331 | |
EU classification (DSD)
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F Xn N |
R-phrases | R11, R38, R50/53, R65, R67 |
S-phrases | (S2), S16, S29, S33 |
Flash point | 4 °C (39 °F; 277 K) |
Explosive limits | 1–?% |
Related compounds | |
Related alkanes
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references | |
2,3,4-Trimethylpentane is a branched alkane. It is one of the isomers of octane.