2,3-Dimethylbutane

2,3-Dimethylbutane
Names


IUPAC name 2,3-Dimethylbutane^[1]
Other names 23DMB
Identifiers
CAS Number	79-29-8^Y
3D model (Jmol)	Interactive image
Beilstein Reference	1730737
ChemSpider	6340^Y
ECHA InfoCard	100.001.085
EC Number	201-193-6
MeSH	2,3-dimethylbutane
PubChem	6589
RTECS number	EJ9350000
UNII	68ISQ7A432^N
UN number	2457
InChI InChI=1S/C6H14/c1-5(2)6(3)4/h5-6H,1-4H3^Y Key: ZFFMLCVRJBZUDZ-UHFFFAOYSA-N^Y
SMILES CC(C)C(C)C
Properties
Chemical formula	C₆H₁₄
Molar mass	86.18 g·mol⁻¹
Appearance	Colorless liquid
Odor	Odorless
Density	662 mg mL⁻¹
Melting point	−136 to −124 °C; −213 to −191 °F; 137 to 149 K
Boiling point	57.9 to 58.3 °C; 136.1 to 136.8 °F; 331.0 to 331.4 K
Vapor pressure	26.1 kPa (at 21.1 °C)
Henry's law constant (k_H)	7.6 nmol Pa⁻¹ kg⁻¹
Refractive index (n_D)	1.375
Thermochemistry
Specific heat capacity (C)	189.02 J K⁻¹ mol⁻¹
Std molar entropy (S^o₂₉₈)	278.85 J K⁻¹ mol⁻¹
Std enthalpy of formation (Δ_fH^o₂₉₈)	−208.0–−206.0 kJ mol⁻¹
Std enthalpy of combustion (Δ_cH^o₂₉₈)	−4.1558–−4.1540 MJ mol⁻¹
Hazards
GHS pictograms
GHS signal word	DANGER
GHS hazard statements	H225, H304, H315, H336, H411
GHS precautionary statements	P210, P261, P273, P301+310, P331
EU classification (DSD)	F Xn N
R-phrases	R11, R38, R65, R67, R51/53
S-phrases	(S2), S16, S29, S33
Flash point	−29 °C (−20 °F; 244 K)
Autoignition temperature	420 °C (788 °F; 693 K)
Explosive limits	1.2–7.7%
US health exposure limits (NIOSH):
PEL (Permissible)	none^[2]
Related compounds
Related alkanes	Neopentane 2,2-Dimethylbutane Triptane Tetramethylbutane Tetraethylmethane 2,2,4-Trimethylpentane 2,3,3-Trimethylpentane 2,3,4-Trimethylpentane Tetra-tert-butylmethane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references

2,3-Dimethylbutane is an isomer of hexane. It has the chemical formula (CH₃)₂CHCH(CH₃)₂. It is a colorless liquid which boils at 57.9 °C.

References

↑ "2,3-dimethylbutane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 10 March 2012.
↑ "NIOSH Pocket Guide to Chemical Hazards #0323". National Institute for Occupational Safety and Health (NIOSH).

Alkanes

Methane (CH 4) Ethane (C 2H 6) Propane (C 3H 8) Butane (C 4H 10) Pentane (C 5H 12) Hexane (C 6H 14) Heptane (C 7H 16) Octane (C 8H 18) Nonane (C 9H 20) Decane (C 10H 22) Undecane (C 11H 24) Dodecane (C 12H 26) Tridecane (C 13H 28) Tetradecane (C 14H 30) Pentadecane (C 15H 32) Hexadecane / Cetane (C 16H 34) Heptadecane (C 17H 36) Octadecane (C 18H 38) Nonadecane (C 19H 40) Icosane (C 20H 42)

Higher alkanes List of alkanes

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