Chemical Properties of Thionyl chloride (CAS 7719-09-7)

InChI

InChI=1S/Cl2OS/c1-4(2)3

InChI Key

FYSNRJHAOHDILO-UHFFFAOYSA-N

Formula

Cl2OS

SMILES

O=S(Cl)Cl

Molecular Weight¹

118.97

CAS

7719-09-7

Other Names

• SOCl2
• Sulfinyl chloride
• Sulfinyl dichloride
• Sulfur chloride oxide
• Sulfur chloride oxide (Cl2SO)
• Sulfur oxychloride
• Sulfur oxychloride (SOCl2)
• Sulfurous dichloride
• Sulfurous oxychloride
• Thionyl chloride (SOCl2)
• Thionyl dichloride
• UN 1836

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (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.
• McVol : McGowan's characteristic volume (ml/mol).
• 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).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfG°	-292.45	kJ/mol	Joback Calculated Property
ΔfH°gas	-280.55	kJ/mol	Joback Calculated Property
ΔfusH°	11.90	kJ/mol	Joback Calculated Property
ΔvapH°	37.09	kJ/mol	Joback Calculated Property
IE	[11.07; 11.30]	eV
IE	11.07	eV	NIST
IE	11.30	eV	NIST
IE	11.12	eV	NIST
IE	11.30	eV	NIST
IE	11.13	eV	NIST
log10WS	-0.74		Crippen Calculated Property
logPoct/wat	1.043		Crippen Calculated Property
McVol	57.560	ml/mol	McGowan Calculated Property
Pc	6875.52	kPa	Joback Calculated Property
Tboil	332.54	K	Joback Calculated Property
Tc	530.10	K	Joback Calculated Property
Tfus	186.08	K	Joback Calculated Property
Vc	0.224	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[68.08; 76.07]	J/mol×K	[332.54; 530.10]
Cp,gas	68.08	J/mol×K	332.54	Joback Calculated Property
Cp,gas	69.47	J/mol×K	365.47	Joback Calculated Property
Cp,gas	70.85	J/mol×K	398.39	Joback Calculated Property
Cp,gas	72.21	J/mol×K	431.32	Joback Calculated Property
Cp,gas	73.54	J/mol×K	464.24	Joback Calculated Property
Cp,gas	74.83	J/mol×K	497.17	Joback Calculated Property
Cp,gas	76.07	J/mol×K	530.10	Joback Calculated Property
ΔvapH	32.40	kJ/mol	314.50	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[4.44e-04; 201.29]	kPa	[172.00; 372.15]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.47469e+01
Coefficient B			-3.26001e+03
Coefficient C			-2.68900e+01
Temperature range, min.			172.00
Temperature range, max.			372.15
Pvap	4.44e-04	kPa	172.00	Calculated Property
Pvap	8.80e-03	kPa	194.24	Calculated Property
Pvap	0.09	kPa	216.48	Calculated Property
Pvap	0.53	kPa	238.72	Calculated Property
Pvap	2.27	kPa	260.96	Calculated Property
Pvap	7.60	kPa	283.19	Calculated Property
Pvap	20.97	kPa	305.43	Calculated Property
Pvap	49.82	kPa	327.67	Calculated Property
Pvap	105.07	kPa	349.91	Calculated Property
Pvap	201.29	kPa	372.15	Calculated Property

Similar Compounds

Find more compounds similar to Thionyl chloride.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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