Di-tert-butyl Ether
Structural Formula Vector Image
Title: Di-tert-butyl Ether
CAS Registry Number: 6163-66-2
CAS Name: 2,2¢-Oxybis[2-methylpropane]
Molecular Formula: C8H18O
Molecular Weight: 130.23
Percent Composition: C 73.78%, H 13.93%, O 12.29%
Line Formula: [(CH3)3C]2O
Literature References: Prepn: R. J. Moore, G. J. O'Donnell, GB 652809 (1951 to Bataafsche Petrol.); C.A. 46, 1023d (1952). Synthesis from t-butyl chloride and silver carbonate: J. Erickson, W. M. Ashton, J. Am. Chem. Soc. 63, 1769 (1941); from t-butyl perbenzoates and Grignard reagents: S. O. Lawesson, N. C. Yang, ibid. 81, 4230 (1959); by alkylation of t-butyl alcohol with trimethylcarbenium fluoroantimonate: G. A. Olah et al., Synthesis 1975, 315; from lithium tert-butoxide with aromatic sulfonyl chlorides: H. Masada et al., Tetrahedron Lett. 1979, 1315.
Properties: Clear liquid with camphorous odor. bp 106.5-107.0°. nD20 1.3949; d420 0.7658. Decomposes in the presence of acids.
Boiling point: bp 106.5-107.0°
Index of refraction: nD20 1.3949
Density: d420 0.7658
Use: Gasoline additive.

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