Chemical Properties of Silane, dichlorodimethyl- (CAS 75-78-5)

InChI

InChI=1S/C2H6Cl2Si/c1-5(2,3)4/h1-2H3

InChI Key

LIKFHECYJZWXFJ-UHFFFAOYSA-N

Formula

C2H6Cl2Si

SMILES

C[Si](C)(Cl)Cl

Molecular Weight¹

129.06

CAS

75-78-5

Other Names

• (CH3)2SiCl2
• Dichlorodimethylsilane
• Dichlorodimethylsilicon
• Dimethyl-dichlorsilan
• Dimethyldichlorosilane
• Dimethyldichlorsilane
• Inerton Aw-dmcs
• UN 1162
• dimethylsilane dichloride

• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_c : Critical density (kg/m³).
• I_np : Non-polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_triple : Triple Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
IE	[10.70; 10.99]	eV
IE	10.70	eV	NIST
IE	10.99	eV	NIST
log10WS	0.40		Crippen Calculated Property
logPoct/wat	2.166		Crippen Calculated Property
Pc	3490.00 ± 11.14	kPa	NIST
ρc	369.11 ± 3.87	kg/m3	NIST
Inp	[593.00; 606.00]
Inp	606.00		NIST
Inp	593.00		NIST
Inp	596.10		NIST
Inp	598.00		NIST
Inp	606.00		NIST
S°liquid	270.40	J/mol×K	NIST
Tboil	[342.52; 345.00]	K
Tboil	343.46	K	Isobari...
Tboil	342.52 ± 0.50	K	NIST
Tboil	343.40	K	NIST
Tboil	343.18 ± 0.50	K	NIST
Tboil	345.00 ± 4.00	K	NIST
Tc	520.40 ± 0.30	K	NIST
Ttriple	198.99 ± 0.02	K	NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	171.50	J/mol×K	298.15	NIST
ΔfusH	[8.83; 8.83]	kJ/mol	[198.99; 199.00]
ΔfusH	8.83	kJ/mol	198.99	NIST
ΔfusH	8.83	kJ/mol	199.00	NIST
ΔfusH	8.83	kJ/mol	199.00	NIST
ΔvapH	31.50	kJ/mol	323.00	NIST
ΔfusS	44.39	J/mol×K	198.99	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 3732.47]	kPa	[249.11; 520.35]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.43960e+01
Coefficient B			-2.97529e+03
Coefficient C			-3.82270e+01
Temperature range, min.			249.11
Temperature range, max.			520.35
T(K) Vapor pressure (kPa) 0 500 1000 1500 2000 2500 3000 3500 4000 300 400 500
Pvap	1.33	kPa	249.11	Calculated Property
Pvap	7.78	kPa	279.25	Calculated Property
Pvap	30.68	kPa	309.39	Calculated Property
Pvap	91.94	kPa	339.52	Calculated Property
Pvap	225.66	kPa	369.66	Calculated Property
Pvap	476.89	kPa	399.80	Calculated Property
Pvap	898.21	kPa	429.94	Calculated Property
Pvap	1545.42	kPa	460.07	Calculated Property
Pvap	2473.37	kPa	490.21	Calculated Property
Pvap	3732.47	kPa	520.35	Calculated Property

Similar Compounds

Find more compounds similar to Silane, dichlorodimethyl-.

Mixtures

• Benzene + Silane, dichlorodimethyl- + Silane, trichloromethyl-
• Carbon dioxide + Silane, dichlorodimethyl-

Sources

• Crippen Method
• Crippen Method
• Isobaric vapor liquid equilibrium for methyltrichlorosilane dimethyldichlorosilane benzene system
• High-pressure phase equilibria for chlorosilane + carbon dioxide mixtures
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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