Liquid and supercritical carbon dioxide as organic solvents

Journal Article · Fri Dec 28 04:00:00 EST 1984 · J. Org. Chem.; (United States)

DOI:https://doi.org/10.1021/jo00200a016· OSTI ID:5768252

Hyatt, J A

The nature of carbon dioxide in its liquid and supercritical states as a solvent for organic compounds was explored. Visible spectroscopy of solvatochromic dyes, ir spectroscopy of ketones and pyrrole, and the exo:endo ratio of a Diels-Alder reaction in CO/sub 2/ solutions were employed as probes of solvent polarity. For both liquid and supercritical CO/sub 2/, E/sub t/(30) similarly ordered 33.8 kcal/mol and Omega similarly 0.50; ..pi.. is near -0.5. Thus, CO/sub 2/ in these states behaves very much like a hydrocarbon solvent with very low polarizability. 52 references, 6 tables.

• Research Organization: Eastman Kodak Co., Kingsport, TN
• OSTI ID: 5768252
• Journal Information: J. Org. Chem.; (United States), Journal Name: J. Org. Chem.; (United States) Vol. 49:26; ISSN JOCEA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ABSORPTION SPECTROSCOPY
ACETONE
AZO COMPOUNDS
AZO DYES
AZOLES
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COMPARATIVE EVALUATIONS
DATA
DATA ANALYSIS
DIELS-ALDER REACTION
DYES
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
FLUIDS
HETEROCYCLIC COMPOUNDS
INFORMATION
INFRARED SPECTRA
KETONES
LIQUIDS
MEDIUM PRESSURE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SOLVENTS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POLARIZABILITY
PYRROLES
SOLUBILITY
SOLVENT PROPERTIES
SOLVENTS
SPECTRA
SPECTROSCOPY
VISIBLE SPECTRA