Ethyl tert-butyl ether

Ethyl *tert*-butyl ether
Names
	Preferred IUPAC name 2-Ethoxy-2-methylpropane
	Other names Ethyl tert-butyl ether; Ethyl tertiary butyl ether; Ethyl tert-butyl oxide; tert-Butyl ethyl ether; Ethyl t-butyl ether
Identifiers
CAS Number	637-92-3 ;
3D model (JSmol)	Interactive image;
Abbreviations	ETBE
ChEBI	CHEBI:141564;
ChemSpider	11996 ;
ECHA InfoCard	100.010.282
EC Number	211-309-7;
PubChem CID	12512;
RTECS number	KN4730200;
UNII	3R9B16WR19 ;
CompTox Dashboard (EPA)	DTXSID0025604 ;
	InChI InChI=1S/C6H14O/c1-5-7-6(2,3)4/h5H2,1-4H3 Key: NUMQCACRALPSHD-UHFFFAOYSA-N ; InChI=1/C6H14O/c1-5-7-6(2,3)4/h5H2,1-4H3 Key: NUMQCACRALPSHD-UHFFFAOYAB;
	SMILES O(C(C)(C)C)CC;
Properties
Chemical formula	C6H14O
Molar mass	102.18
Appearance	Clear colorless liquid
Density	0.7364 g/cm3
Melting point	−94 °C (−137 °F; 179 K)
Boiling point	69 to 71 °C (156 to 160 °F; 342 to 344 K)
Solubility in water	1.2 g/100 g
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H224, H225, H315, H319, H335, H336
Precautionary statements	P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501
Flash point	−19 °C (−2 °F; 254 K)
	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

Ethyl tertiary-butyl ether (ETBE), also known as ethyl tert-butyl ether, is commonly used as an oxygenate gasoline additive in the production of gasoline from crude oil. ETBE offers equal or greater air quality benefits than ethanol, while being technically and logistically less challenging. Unlike ethanol, ETBE does not induce evaporation of gasoline, which is one of the causes of smog, and does not absorb moisture from the atmosphere.

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