- 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
- 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
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
Data at NIST subscription sites:
- NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
- NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Condensed phase thermochemistry data
Go To: Top, References, Notes
Data compiled as indicated in comments:
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
|fH°liquid||-102.4 ± 1.5||kJ/mol||Review||Manion, 2002||derived from recommended «DELTA»fHgas° and «DELTA»vapH°; DRB|
|S°liquid||140.08||J/mol*K||N/A||Messerly and Aston, 1940||DH|
Constant pressure heat capacity of liquid
|Cp,liquid (J/mol*K)||Temperature (K)||Reference||Comment|
|80.8||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|
|75.60||249.67||Messerly and Aston, 1940||T = 12 to 249.67 K. Value is unsmoothed experimental datum.; DH|
|81.2||298.||Shorthose, 1924||T = -30 to 40°C.; DH|
Go To: Top, Condensed phase thermochemistry data, Notes
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, D.N., G. B. DSIR, Food Invest. Board, Spec. Rept., 1924, No. 19, 16pp. [all data]
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 fH°liquid Enthalpy of formation of liquid at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.