Chloral
- Formula: C2HCl3O
- Molecular weight: 147.388
- IUPAC Standard InChIKey: HFFLGKNGCAIQMO-UHFFFAOYSA-N
- CAS Registry Number: 75-87-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Acetaldehyde, trichloro-; Anhydrous chloral; Trichloroacetaldehyde; Trichloroethanal; CCl3CHO; Trichloracetaldehyde; 2,2,2-Trichloroethanal; Cloralio; Grasex; Rcra waste number U034; 2,2,2-Trichloroacetaldehyde; Acetaldehyde, 2,2,2-trichloro-
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Henry's Law data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
340000. | 3500. | M | N/A | missing citation list effective values that take into account hydration of the aldehydes: kH = ([RCHO] + [RCH(OH)2]) / p(RCHO) |
Gas phase ion energetics data
Go To: Top, Henry's Law data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 172.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 165.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.9 | PE | Guimon, Pfister-Guillouzo, et al., 1985 | LBLHLM |
10.88 | PE | Katsumata and Kimura, 1975 | Vertical value; LLK |
Mass spectrum (electron ionization)
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Chemical Concepts |
NIST MS number | 159205 |
Gas Chromatography
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | SE-30 | 150. | 715. | Tiess, 1984 | Ar, Gas Chrom Q (80-100 mesh); Column length: 3. m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 695. | MHA, 9999 | Nitrogen, Chromosorb G AW DMCS (80-100 mesh); Column length: 2. m; Tstart: 100. C; Tend: 300. C |
References
Go To: Top, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Guimon, Pfister-Guillouzo, et al., 1985
Guimon, G.; Pfister-Guillouzo, G.; Rima, G.; El Amine, M.; Barrau, J.,
Generation, detection and electronic structure of dimethyl germanone by photoelectron spectroscopy and quantum calculations,
Spectrosc. Lett., 1985, 18, 7. [all data]
Katsumata and Kimura, 1975
Katsumata, S.; Kimura, K.,
Photoelectron spectra and sum rule consideration. Effect of chlorine substitution on ionization energies for chloroethanes, chloroacetaldehydes and chloroacetyl chlorides,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 309. [all data]
Tiess, 1984
Tiess, D.,
Gaschromatographische Retentionsindices von 125 leicht- bis mittelflüchtigen organischen Substanzen toxikologisch-analytischer Relevanz auf SE-30,
Wiss. Z. Wilhelm-Pieck-Univ. Rostock Math. Naturwiss. Reihe, 1984, 33, 6-9. [all data]
MHA, 9999
MHA, Directorate of ForensicScience.,
Forensic Toxicology, 9999. [all data]
Notes
Go To: Top, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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