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Enthalpies of combustion of di-n-propylamine, diisopropylamine, diisobutylamine, and di-sec-butylamine

✍ Scribed by Manuel A.V. Ribeiro da Silva; Maria D.M.C. Ribeiro da Silva; M.Luı&#x0301;sa A.C.N. Gomes; M. Johnson; G. Pilcher

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 166 KB
Volume: 29
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1997.0219

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✦ Synopsis

The standard ( p°= 0.1 MPa) molar enthalpies of formation DfH°m at the temperature 298.15 K were determined from the standard molar enthalpies of combustion measured by static-bomb calorimetry for the liquids: di-n-propylamine, diisopropylamine, diisobutylamine, and di-sec-butylamine. The standard molar enthalpies of formation in the gaseous state were derived using both literature and estimated values for the enthalpies of vaporization.

6 2 1.5 -116.5 2 1.6 diisopropylamine -171.0 2 2.6 -136.3 2 2.6 diisobutylamine -225.4 2 2.3 -180.8 2 2.7 di-sec-butylamine -227.7 2 2.6 -183.6 2 3.0

The enthalpies of formation of aliphatic amines in the gaseous state are reviewed using a group-additivity scheme.

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