Chloromethane
- Formula: CH3Cl
- Molecular weight: 50.488
- IUPAC Standard InChIKey: NEHMKBQYUWJMIP-UHFFFAOYSA-N
- CAS Registry Number: 74-87-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Methane, chloro-; Methyl chloride; Artic; Freon 40; Monochloromethane; CH3Cl; Chloor-methaan; Chlor-methan; Chlorure de methyle; Clorometano; Cloruro di metile; Methylchlorid; Metylu chlorek; R 40; Rcra waste number U045; UN 1063; Refrigerant R40
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Condensed phase thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -24.47 ± 0.36 | kcal/mol | Review | Manion, 2002 | derived from recommended ΔfHgas° and ΔvapH°; DRB |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 33.480 | cal/mol*K | N/A | Messerly and Aston, 1940 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
19.3 | 293.15 | Awberg and Griffiths, 1940 | T = 243 to 303 K. Cp reported at 20°C = 1.598 J/g*K and at 30°C = 1.632 J/g*K.; DH |
18.07 | 249.67 | Messerly and Aston, 1940 | T = 12 to 249.67 K. Value is unsmoothed experimental datum.; DH |
19.4 | 298. | Shorthose, 1924 | T = -30 to 40°C.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Manion, 2002
Manion, J.A.,
Evaluated Enthalpies of Formation of the Stable Closed Shell C1 and C2 Chlorinated Hydrocarbons,
J. Phys. Chem. Ref. Data, 2002, 31, 1, 123-172, https://doi.org/10.1063/1.1420703
. [all data]
Messerly and Aston, 1940
Messerly, G.H.; Aston, J.G.,
The heat capacity and entropy, heats of fusion and vaporization and the vapor pressure of methyl chloride,
J. Am. Chem. Soc., 1940, 62, 886-890. [all data]
Awberg and Griffiths, 1940
Awberg, J.H.; Griffiths, E.,
The specific heat of liquid methyl chloride,
Proc. Phys. Soc. (London), 1940, 52, 770-776. [all data]
Shorthose, 1924
Shorthose, D.N.,
G. B. DSIR, Food Invest. Board,
Spec. Rept., 1924, No. 19, 16pp. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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