Chemical Properties of 1,3-dichloro-1,1,3,3-tetramethyldisiloxane (CAS 2401-73-2)

InChI

InChI=1S/C4H12Cl2OSi2/c1-8(2,5)7-9(3,4)6/h1-4H3

InChI Key

DMEXFOUCEOWRGD-UHFFFAOYSA-N

Formula

C4H12Cl2OSi2

SMILES

C[Si](C)(Cl)O[Si](C)(C)Cl

Molecular Weight¹

203.22

CAS

2401-73-2

Other Names

• 1,3-Dichloro-1,1,3,3-tetramethyl disiloxane
• 1,3-Dichlorotetramethyldisiloxane
• Sym-dichlorotetramethyldisiloxane
• Disiloxane, 1,3-dichloro-1,1,3,3-tetramethyl-

• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Cheméo can also estimate Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.63]	kPa	[302.24; 438.73]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.39361e+01
Coefficient B			-3.19811e+03
Coefficient C			-6.79210e+01
Temperature range, min.			302.24
Temperature range, max.			438.73
Pvap	1.33	kPa	302.24	Calculated Property
Pvap	3.06	kPa	317.41	Calculated Property
Pvap	6.37	kPa	332.57	Calculated Property
Pvap	12.26	kPa	347.74	Calculated Property
Pvap	22.07	kPa	362.90	Calculated Property
Pvap	37.50	kPa	378.07	Calculated Property
Pvap	60.65	kPa	393.23	Calculated Property
Pvap	93.98	kPa	408.40	Calculated Property
Pvap	140.27	kPa	423.56	Calculated Property
Pvap	202.63	kPa	438.73	Calculated Property
Pvap	[1.44; 82.76]	kPa	[303.00; 403.00]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.40655e+01
Coefficient B			-3.26308e+03
Coefficient C			-6.48390e+01
Reference			Sokolov, Karapetiyaits, et al., 1971
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			303.00
Temperature range, max.			403.00
Pvap	1.44	kPa	303.00	Calculated Property
Pvap	2.65	kPa	314.11	Calculated Property
Pvap	4.63	kPa	325.22	Calculated Property
Pvap	7.74	kPa	336.33	Calculated Property
Pvap	12.42	kPa	347.44	Calculated Property
Pvap	19.22	kPa	358.56	Calculated Property
Pvap	28.81	kPa	369.67	Calculated Property
Pvap	41.98	kPa	380.78	Calculated Property
Pvap	59.63	kPa	391.89	Calculated Property
Pvap	82.76	kPa	403.00	Calculated Property

Similar Compounds

Find more compounds similar to 1,3-dichloro-1,1,3,3-tetramethyldisiloxane.

Sources

• Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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