Silane, dichlorodimethyl-
- Formula: C2H6Cl2Si
- Molecular weight: 129.061
- IUPAC Standard InChIKey: LIKFHECYJZWXFJ-UHFFFAOYSA-N
- CAS Registry Number: 75-78-5
- 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: Dichlorodimethylsilane; Dichlorodimethylsilicon; Dimethyldichlorosilane; Inerton Aw-dmcs; (CH3)2SiCl2; Dimethyldichlorsilane; Dimethyl-dichlorsilan; UN 1162
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Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 342.52 | K | N/A | Sacarescu, Marcu, et al., 1995 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 343.4 | K | N/A | PCR Inc., 1990 | BS |
Tboil | 343.18 | K | N/A | Rugina, Gaspar, et al., 1987 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 345. | K | N/A | McBride and Beachell, 1948 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 198.99 | K | N/A | Samorukov and Kostryukov, 1971 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 520.4 | K | N/A | Stepanov and Nozdrev, 1968 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 34.90 | bar | N/A | Stepanov and Nozdrev, 1968 | Uncertainty assigned by TRC = 0.1114 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.86 | mol/l | N/A | Stepanov and Nozdrev, 1968 | Uncertainty assigned by TRC = 0.03 mol/l; ultrasonic velocity measurements; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
31.5 | 316. | I | Jenkins and Chambers, 1954 | Based on data from 301. to 345. K.; 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 |
---|---|---|---|---|
300.9 to 345.3 | 4.26844 | 1328. | -32. | Jenkins and Chambers, 1954 |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.828 | 198.99 | Samorukov and Kostryukov, 1971, 2 | DH |
8.83 | 199. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
44.39 | 198.99 | Samorukov and Kostryukov, 1971, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sacarescu, Marcu, et al., 1995
Sacarescu, L.; Marcu, M.; Luchian, N.; Sacarescu, G.,
Vapor-Liquid Equilibria for Dichlorodimethylsilane + Heptane,
J. Chem. Eng. Data, 1995, 40, 71-3. [all data]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Rugina, Gaspar, et al., 1987
Rugina, T.; Gaspar, M.; Sacarescu, L.,
Liquid-vapor equilibrium for a binary system of dichlorodimethyl-silane with trichloromethylsilane, chloromethylsilane and silicontetrachloride.,
Rev. Chim. (Bucharest), 1987, 38, 680. [all data]
McBride and Beachell, 1948
McBride, J.J.; Beachell, H.C.,
The peroxide-catalyzed chlorination of trimethylchlorosilane and t-butyl chloride,
J. Am. Chem. Soc., 1948, 70, 2532. [all data]
Samorukov and Kostryukov, 1971
Samorukov, O.P.; Kostryukov, V.N.,
Low temp. heat capacities melting points, heats of fusion, and thermodyna- mic functions of the condensed phases of trichloromethylsilane and dichloromethylsilane dichlorodimethylsilane,
Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 747-8. [all data]
Stepanov and Nozdrev, 1968
Stepanov, N.G.; Nozdrev, V.F.,
Physical Properties of Certain Organic Derivatives of Chlorosilane in the Critical Region,
Russ. J. Phys. Chem. (Engl. Transl.), 1968, 42, 1300-2. [all data]
Jenkins and Chambers, 1954
Jenkins, Arthur C.; Chambers, George F.,
Vapor Pressures of Silicon Compounds,
Ind. Eng. Chem., 1954, 46, 11, 2367-2369, https://doi.org/10.1021/ie50539a043
. [all data]
Samorukov and Kostryukov, 1971, 2
Samorukov, O.P.; Kostryukov, V.N.,
Thermodynamics of organic derivatives of chlorosilanes. Low-temperature heat capacities, melting points, heats of fusion, and thermodynamic functions of the condensed phases of trichloromethylsilane and dichloromethylsilane,
Russ. J. Phys. Chem., 1971, 45, 747-748. [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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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