Methylene chloride
- Formula: CH2Cl2
- Molecular weight: 84.933
- 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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Gas phase thermochemistry data
Go To: Top, Phase change data, Henry's Law data, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -95.52 | kJ/mol | Review | Chase, 1998 | Data last reviewed in December, 1968 |
ΔfH°gas | -95.1 ± 2.5 | kJ/mol | Review | Manion, 2002 | derived from recommended ΔfHliquid° and ΔvapH°; DRB |
ΔfH°gas | -95.7 ± 1.3 | kJ/mol | Chyd | Lacher, Amador, et al., 1967 | Reanalyzed by Cox and Pilcher, 1970, Original value = -96.0 ± 1.3 kJ/mol; At 250 C; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 270.28 | J/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1968 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 298. to 1200. | 1200. to 6000. |
---|---|---|
A | 19.17351 | 95.12993 |
B | 136.8444 | 6.721722 |
C | -95.12993 | -1.288196 |
D | 26.03105 | 0.085646 |
E | -0.119405 | -14.93885 |
F | -106.9338 | -157.3506 |
G | 256.0144 | 340.5412 |
H | -95.52114 | -95.52114 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in December, 1968 | Data last reviewed in December, 1968 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Henry's Law data, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
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 |
---|---|---|---|---|---|
Tboil | 313. ± 1. | K | AVG | N/A | Average of 12 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 198.06 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tfus | 176. | K | N/A | Van de Vloed, 1939 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tfus | 177. | K | N/A | Timmermans, 1935 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 176.65 | K | N/A | Timmermans, 1934 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 508. | K | N/A | Garcia-Sanchez, Romero-Martinez, et al., 1989 | Uncertainty assigned by TRC = 0.2 K; mean of 5 determinations, direct observation of meniscus; TRC |
Tc | 510. | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 63.55 | bar | N/A | Garcia-Sanchez, Romero-Martinez, et al., 1989 | Uncertainty assigned by TRC = 0.15 bar; mean of 5 determinations, measurement of P at Tc; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 29. | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 29.03 ± 0.08 | kJ/mol | Review | Manion, 2002 | adopted Majer, Svab, et al., 1980 value plus a correction for non-ideality; DRB |
ΔvapH° | 30.6 ± 0.1 | kJ/mol | C | An and Hu, 1989 | AC |
ΔvapH° | 28.8 | kJ/mol | C | Majer, Sváb, et al., 1980 | AC |
ΔvapH° | 28.5 ± 0.42 | kJ/mol | V | Mathews, 1926 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 27.7 ± 0.96 kJ/mol; ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
28.06 | 313. | N/A | Majer and Svoboda, 1985 | |
30.2 | 248. | N/A | Ganeff and Jungers, 2010 | Based on data from 233. to 313. K.; AC |
29.0 | 326. | A | Stephenson and Malanowski, 1987 | Based on data from 311. to 383. K.; AC |
30.3 | 279. | EB | Boublík and Aim, 1972 | Based on data from 264. to 311. K.; AC |
29.2 | 308. | N/A | Mueller and Ignatowski, 1960 | Based on data from 303. to 313. K.; AC |
29.4 | 186. to 312. | N/A | Perry, 1926 | AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
303.14 to 313.14 | 3.97323 | 1016.865 | -56.623 | Mueller and Ignatowski, 1960, 2 | Coefficents calculated by NIST from author's data. |
233. to 313. | 4.53691 | 1327.016 | -20.474 | Ganeff and Jungers, 1948 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.160 | 178.22 | Moseeva, Rabinovich, et al., 1978 | DH |
6.16 | 178.2 | Domalski and Hearing, 1996 | AC |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Phase change data, 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 |
---|---|---|---|---|
0.36 | 4100. | L | N/A | |
0.41 | M | N/A | ||
0.38 | 3500. | X | N/A | |
0.40 | 3800. | M | N/A | |
0.40 | 3900. | X | N/A | |
0.40 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.34 | 4300. | X | N/A | |
0.47 | 3800. | M | Gossett, 1987 | |
0.35 | 4200. | X | N/A | |
0.39 | 4500. | X | N/A | |
0.35 | 4200. | M | N/A | |
0.31 | 3600. | X | N/A | |
0.31 | 3700. | X | Leighton and Calo, 1981 | |
0.39 | L | N/A | ||
0.85 | 4200. | X | N/A | |
0.40 | V | N/A | ||
1.2 | V | N/A | Value at T = 275. K. | |
0.37 | C | N/A | ||
0.44 | V | N/A | ||
0.33 | M | Pearson and McConnell, 1975 | The same data was also published in missing citation. Value at T = 293. K. | |
0.44 | 4100. | M | N/A |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
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]
Lacher, Amador, et al., 1967
Lacher, J.R.; Amador, A.; Park, J.D.,
Reaction heats of organic compounds. Part 5.-Heats of hydrogenation of dichloromethane, 1,1- and 1,2-dichloroethane and 1,2-dichloropropane,
Trans. Faraday Soc., 1967, 63, 1608-1611. [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]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Van de Vloed, 1939
Van de Vloed, A.,
Bull. Soc. Chim. Belg., 1939, 48, 229. [all data]
Timmermans, 1935
Timmermans, J.,
Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds.,
Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]
Timmermans, 1934
Timmermans, J.,
Theory of Concentrated Solutions XII.,
Bull. Soc. Chim. Belg., 1934, 43, 626. [all data]
Garcia-Sanchez, Romero-Martinez, et al., 1989
Garcia-Sanchez, F.; Romero-Martinez, A.; Trejo Rodriguez, A.,
Vapour Pressure, Critical Temperature, and Critical Pressure of Dichloro- methane,
J. Chem. Thermodyn., 1989, 21, 823-6. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Majer, Svab, et al., 1980
Majer, V.; Svab, L.; Svoboda, V.,
Enthalpies of vaporization and cohesive energies for a group of chlorinated hydrocarbons,
J. Chem. Thermodyn., 1980, 12, 9, 843, https://doi.org/10.1016/0021-9614(80)90028-2
. [all data]
An and Hu, 1989
An, Xuwu; Hu, Hui,
Enthalpies of Vaporization of Some Multichloro-Alkanes,
Acta Phys. Chim. Sin., 1989, 5, 5, 565-571, https://doi.org/10.3866/PKU.WHXB19890511
. [all data]
Majer, Sváb, et al., 1980
Majer, V.; Sváb, L.; Svoboda, V.,
Enthalpies of vaporization and cohesive energies for a group of chlorinated hydrocarbons,
The Journal of Chemical Thermodynamics, 1980, 12, 9, 843-847, https://doi.org/10.1016/0021-9614(80)90028-2
. [all data]
Mathews, 1926
Mathews, J.H.,
The accurate measurement of heats of vaporization of liquids,
J. Am. Chem. Soc., 1926, 48, 562-576. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Ganeff and Jungers, 2010
Ganeff, Jean M.; Jungers, Joseph C.,
Tensions de vapeur du système CH3Cl «63743» CH2Cl2,
Bull. Soc. Chim. Belges, 2010, 57, 1-3, 82-87, https://doi.org/10.1002/bscb.19480570109
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Boublík and Aim, 1972
Boublík, T.; Aim, K.,
Heats of vaporization of simple non-spherical molecule compounds,
Collect. Czech. Chem. Commun., 1972, 37, 11, 3513-3521, https://doi.org/10.1135/cccc19723513
. [all data]
Mueller and Ignatowski, 1960
Mueller, Charles R.; Ignatowski, Albert J.,
Equilibrium and Transport Properties of the Carbon Tetrachloride-Methylene Chloride System,
J. Chem. Phys., 1960, 32, 5, 1430, https://doi.org/10.1063/1.1730935
. [all data]
Perry, 1926
Perry, J.H.,
The Vapor Pressures of Methylene Chloride,
J. Phys. Chem., 1926, 31, 11, 1737-1741, https://doi.org/10.1021/j150281a013
. [all data]
Mueller and Ignatowski, 1960, 2
Mueller, C.R.; Ignatowski, A.J.,
Equilibrium and Transport Properties of the Carbon Tetrachloride-Methylene Chloride System,
J. Chem. Phys., 1960, 32, 5, 1430-1434, https://doi.org/10.1063/1.1730935
. [all data]
Ganeff and Jungers, 1948
Ganeff, J.M.; Jungers, J.C.,
Tensions de Vapeur du Systeme CH3Cl - CH2Cl2,
Bull. Soc. Chim. Belg., 1948, 57, 1-3, 82-87, https://doi.org/10.1002/bscb.19480570109
. [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]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Gossett, 1987
Gossett, J.M.,
Measurement of Henry's Law Constants for C1 and C2 Chlorinated Hydrocarbons,
Environ. Sci. Technol., 1987, 21, 202-208. [all data]
Leighton and Calo, 1981
Leighton, D.T.; Calo, J.M.,
Distribution Coefficients of Chlorinated Hydrocarbons in Dilute Air-Water Systems for Groundwater Contamination Applications,
J. Chem. Eng. Data, 1981, 26, 382-385. [all data]
Pearson and McConnell, 1975
Pearson, C.R.; McConnell, G.,
Chlorinated C1 and C2 Hydrocarbons in the Marine Environment,
Proc. R. Soc. London, B, 1975, 189, 305-332. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, References
- Symbols used in this document:
Pc Critical pressure S°gas,1 bar Entropy of gas at standard conditions (1 bar) Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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