Di-tert-butyl ether

Di-*tert*-butyl ether^[1]
Names
	Preferred IUPAC name 2-Methyl-2-[(2-methylpropan-2-yl)oxy]propane
	Other names 2-tert-Butoxy-2-methylpropane; Di-tert-butyl ether
Identifiers
CAS Number	6163-66-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	21138 ;
ECHA InfoCard	100.197.715
PubChem CID	22541;
UNII	C3A9UPP65H ;
CompTox Dashboard (EPA)	DTXSID80210645 ;
	InChI InChI=1S/C8H18O/c1-7(2,3)9-8(4,5)6/h1-6H3 Key: AQEFLFZSWDEAIP-UHFFFAOYSA-N ; InChI=1/C8H18O/c1-7(2,3)9-8(4,5)6/h1-6H3 Key: AQEFLFZSWDEAIP-UHFFFAOYAT;
	SMILES O(C(C)(C)C)C(C)(C)C;
Properties
Chemical formula	C8H18O
Molar mass	130.231 g·mol−1
Appearance	colorless liquid
Density	0.7658 g/cm3
Melting point	−61 °C (−78 °F; 212 K)
Boiling point	107.2 °C (225.0 °F; 380.3 K)
Vapor pressure	3730 Pa (at 22 °C)
Thermochemistry
Heat capacity (C)	276.1 J·mol−1·K−1
Std enthalpy of; formation (ΔfH⦵298)	-399.6 kJ·mol−1
Hazards
Flash point	−3 °C (27 °F; 270 K)
Autoignition; temperature	365 °C (689 °F; 638 K)
Explosive limits	>0.4%
	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

Di-tert-butyl ether is a tertiary ether, primarily of theoretical interest as the simplest member of the class of di-tertiary ethers.

References

^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 3–162, 5–52. ISBN 0-8493-0594-2.
^ ^a ^b David R. Lide (Hrsg.): CRC Handbook of Chemistry and Physics, (90 ed.), CRC Press, Boca Raton, Florida (2009), ISBN 978-1-4200-9084-0, S. 3-148.
^ E. J. Smutny, A. Bondi: "DI-t-BUTYL ETHER: STRAIN ENERGY AND PHYSICAL PROPERTIES", in: J. Phys. Chem., 1961, 65 (3), S. 546–550; doi:10.1021/j100821a038.
^ Alquist; Tower: Nation. Advis. Comm. Aeronautics Rep. MR Nr.E 5 A 04 (1945), Chem. Abstr. 1948, 4736

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Names


Preferred IUPAC name 2-Methyl-2-[(2-methylpropan-2-yl)oxy]propane
Other names 2-tert-Butoxy-2-methylpropane Di-tert-butyl ether
Identifiers
CAS Number	6163-66-2^Y
3D model (JSmol)	Interactive image
ChemSpider	21138^Y
ECHA InfoCard	100.197.715
PubChem CID	22541
UNII	C3A9UPP65H^Y
CompTox Dashboard (EPA)	DTXSID80210645
InChI InChI=1S/C8H18O/c1-7(2,3)9-8(4,5)6/h1-6H3^Y Key: AQEFLFZSWDEAIP-UHFFFAOYSA-N^Y InChI=1/C8H18O/c1-7(2,3)9-8(4,5)6/h1-6H3 Key: AQEFLFZSWDEAIP-UHFFFAOYAT
SMILES O(C(C)(C)C)C(C)(C)C
Properties
Chemical formula	C₈H₁₈O
Molar mass	130.231 g·mol⁻¹
Appearance	colorless liquid
Density	0.7658 g/cm³^[2]
Melting point	−61 °C (−78 °F; 212 K)^[4]
Boiling point	107.2 °C (225.0 °F; 380.3 K)^[2]
Vapor pressure	3730 Pa (at 22 °C)^[3]
Thermochemistry
Heat capacity (C)	276.1 J·mol⁻¹·K⁻¹
Std enthalpy of formation (Δ_fH^⦵₂₉₈)	-399.6 kJ·mol⁻¹
Hazards
Flash point	−3 °C (27 °F; 270 K)
Autoignition temperature	365 °C (689 °F; 638 K)
Explosive limits	>0.4%
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references