Methylene chloride
- Formula: CH2Cl2
- Molecular weight: 84.933
- IUPAC Standard InChI: InChI=1S/CH2Cl2/c2-1-3/h1H2
- IUPAC Standard InChIKey: YMWUJEATGCHHMB-UHFFFAOYSA-N
- CAS Registry Number: 75-09-2
- 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. - Isotopologues:
- Other names: Methane, dichloro-; Aerothene MM; Dichloromethane; Freon 30; Methylene dichloride; Narkotil; Solaesthin; Solmethine; CH2Cl2; Methane dichloride; Methylene bichloride; Chlorure de methylene; Metylenu chlorek; NCI-C50102; R 30; Rcra waste number U080; UN 1593; Methoklone; Salesthin; F 30; F 30 (chlorocarbon); HCC 30; Khladon 30; Metaclen; NSC 406122; Soleana VDA
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Condensed phase thermochemistry data
Go To: Top, IR Spectrum, 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.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -29.66 ± 0.60 | kcal/mol | Review | Manion, 2002 | adopted combustion calorimetry data of Hu and Sinke, 1969 with increased uncertainty to reflect other data; DRB |
| ΔfH°liquid | -29.70 | kcal/mol | Ccr | Hu and Sinke, 1969, 2 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -144.00 | kcal/mol | Ccr | Hu and Sinke, 1969, 2 | ALS |
| ΔcH°liquid | -144.8 ± 2.0 | kcal/mol | Ccb | Smith, Bjellerup, et al., 1953 | Reanalyzed by Cox and Pilcher, 1970, Original value = -144. ± 1. kcal/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 41.71 | cal/mol*K | N/A | Moseeva, Rabinovich, et al., 1978 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 24.45 | 298.15 | Moseeva, Rabinovich, et al., 1978 | T = 5 to 300 K.; DH |
| 25.22 | 303.2 | Harrison and Moelwyn-Hughes, 1957 | T = 244 to 303 K. Unsmoothed experimental datum.; DH |
| 30.90 | 298. | Kurbatov, 1948 | T = -76 to 41°C. Mean Cp, four temperatures.; DH |
| 23.90 | 298. | Riedel, 1941 | T = -47 to 41°C.; DH |
| 23.90 | 298.1 | Riedel, 1940 | T = -47 to 41°C.; DH |
| 24.02 | 292.5 | Perlick, 1937 | T = -58 to 19°C. Value is unsmoothed experimental datum.; DH |
| 24.09 | 292.5 | Perlick, 1937, 2 | T = -58 to 19°C. Value is unsmoothed experimental datum.; DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compiled by: Coblentz Society, Inc.
- GAS (100 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm-1 resolution
- LIQUID (NEAT); PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Data compiled by: Pamela M. Chu, Franklin R. Guenther, George C. Rhoderick, and Walter J. Lafferty
- gas; IFS66V (Bruker); 3-Term B-H Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution - gas; IFS66V (Bruker); Boxcar Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution - gas; IFS66V (Bruker); Happ Genzel Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution - gas; IFS66V (Bruker); NB Strong Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution - gas; IFS66V (Bruker); Triangular Apodization
0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm-1 resolution
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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]
Hu and Sinke, 1969
Hu, A.T.; Sinke, G.C.,
Combustion calorimetry of some chlorinated organic compounds,
J. Chem. Thermodyn., 1969, 1, 6, 507, https://doi.org/10.1016/0021-9614(69)90010-X
. [all data]
Hu and Sinke, 1969, 2
Hu, A.T.; Sinke, G.C.,
Combustion calorimetry of some chlorinated organic compounds,
J. Chem. Thermodyn., 1969, 1, 507-513. [all data]
Smith, Bjellerup, et al., 1953
Smith, L.; Bjellerup, L.; Krook, S.; Westermark, H.,
Heats of combustion of organic chloro compounds determined by the "quartz wool" method,
Acta Chem. Scand., 1953, 7, 65. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Moseeva, Rabinovich, et al., 1978
Moseeva, E.M.; Rabinovich, I.B.; Busygina, G.I.; Safonov, V.A.; Ovchinnikov, E.Yu.,
Thermodynamic proerties of methylene chloride, Termodin. Org. Soedin.,
Gor'kii, 1978, 1, 8-11. [all data]
Harrison and Moelwyn-Hughes, 1957
Harrison, D.; Moelwyn-Hughes, E.A.,
The heat capacities of certain liquids,
Proc. Roy. Soc. (London), 1957, A239, 230-246. [all data]
Kurbatov, 1948
Kurbatov, V.Ya.,
Heat capacity of liquids. 2. Heat capacity and the temperature dependence of heat capacity from halogen derivatives of acylic hydrocarbons,
Zh. Obshch. Kim., 1948, 18, 372-389. [all data]
Riedel, 1941
Riedel, L.,
Determination of the specific heat of liquid ethyl chloride and liquid methylene chloride, Bull. Int. Inst.,
Refrig. Annex 22, 1941, No4, 1-3. [all data]
Riedel, 1940
Riedel, L.,
Bestimmung der spezifischen Wärme von Äthychlorid und Methylenchlorid im flüssigen Zustand,
Z. ges. Kalte-Ind., 1940, 47, 87. [all data]
Perlick, 1937
Perlick, A.,
Calorimetric investigations on dichloromethane, difluoromonochloroethane and tetrafluorodichloroethane,
Bull. Int. Inst. Refrig., 1937, 18, 1-9. [all data]
Perlick, 1937, 2
Perlick, A.,
Kalorimetrische Messungen an Schwefeldioxyd, Methylenchlorid, Difluormonochloraethan und Tetrafluordichloraethan,
Z. ges. Kalt-Ind., 1937, 44, 201-206. [all data]
Notes
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- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion 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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