2,2-Dimethylbutane
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| 2,2-Dimethylbutane | |
|---|---|
 |
|
| General | |
| Systematic name | 2,2-Dimethylbutane |
| Other names | Neohexane |
| Molecular formula | (CH3)3CCH2CH3 |
| SMILES | CCC(C)(C)C |
| Molar mass | 86.177 g/mol |
| Appearance | colorless liquid |
| CAS number | [590-73-8] |
| Properties | |
| Density and phase | 0.791 g/l, liquid |
| Solubility in water | Insoluble |
| Melting point | −98.8 °C (174.4 K) |
| Boiling point | 49.73 °C (322.88 K) |
| Thermodynamic data | |
| Std enthalpy change of formation, ΔfH |
−44.5 kJ/mol |
| Std enthalpy change of combustion, ΔcH |
? kJ/mol |
| Standard molar entropy, S |
? J·K−1·mol−1 |
| Hazards | |
| MSDS | External MSDS |
| EU classification | Highly flammable (F+) Harmful (Xn) Dangerous for the environment (N) |
| NFPA 704 |
3
1
0
|
| R-phrases | R11, R20, R48, R51/53, R62, R65, R67 |
| S-phrases | S9, S16, S29, S33, S36, S37, S61, S62 |
| Flash point | −29 °C (closed cup) |
| Supplementary data page | |
| Structure and properties |
n, εr, etc. |
| Thermodynamic data |
Phase behaviour Solid, liquid, gas |
| Spectral data | UV, IR, NMR, MS |
| Related compounds | |
| Related alkanes | Butane Hexane |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
|
2,2-Dimethylbutane, trivially known as neohexane, is the isomer of hexane containing a quaternary carbon.
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