Chemical Properties of Methyl ethyl disulfide (CAS 20333-39-5)

InChI

InChI=1S/C3H8S2/c1-3-5-4-2/h3H2,1-2H3

InChI Key

XLTBPTGNNLIKRW-UHFFFAOYSA-N

Formula

C3H8S2

SMILES

CCSSC

Molecular Weight¹

108.23

CAS

20333-39-5

Other Names

• 2,3-Dithiapentane
• Disulfide, ethyl methyl
• Ethanesulfenothioic acid, methyl ester
• Ethyl methyl disulfide
• Methyl ethyl disulphide

• 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).
• 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).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• 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°	40.62	kJ/mol	Joback Calculated Property
ΔfH°gas	-49.40	kJ/mol	NIST
ΔfusH°	11.79	kJ/mol	Joback Calculated Property
ΔvapH°	35.91	kJ/mol	Joback Calculated Property
log10WS	-1.84		Crippen Calculated Property
logPoct/wat	2.018		Crippen Calculated Property
McVol	85.830	ml/mol	McGowan Calculated Property
Pc	4615.13	kPa	Joback Calculated Property
Inp	[815.00; 872.00]
Inp	833.00		NIST
Inp	853.00		NIST
Inp	830.00		NIST
Inp	861.00		NIST
Inp	861.00		NIST
Inp	815.00		NIST
Inp	821.00		NIST
Inp	815.00		NIST
Inp	839.00		NIST
Inp	846.00		NIST
Inp	838.00		NIST
Inp	821.00		NIST
Inp	845.00		NIST
Inp	838.00		NIST
Inp	853.00		NIST
Inp	872.00		NIST
Inp	869.00		NIST
Inp	854.00		NIST
Inp	833.00		NIST
Inp	839.00		NIST
Inp	861.00		NIST
Inp	838.00		NIST
I	[1118.00; 1190.00]
I	1178.00		NIST
I	1156.00		NIST
I	1148.00		NIST
I	1178.30		NIST
I	Outlier 1118.00		NIST
I	1155.00		NIST
I	1151.00		NIST
I	1141.00		NIST
I	1190.00		NIST
I	1178.00		NIST
I	1148.00		NIST
I	1156.00		NIST
I	1178.30		NIST
Tboil	405.60	K	Joback Calculated Property
Tc	626.51	K	Joback Calculated Property
Tfus	192.37	K	Joback Calculated Property
Vc	0.311	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[140.21; 182.59]	J/mol×K	[405.60; 626.51]
Cp,gas	140.21	J/mol×K	405.60	Joback Calculated Property
Cp,gas	147.98	J/mol×K	442.42	Joback Calculated Property
Cp,gas	155.48	J/mol×K	479.24	Joback Calculated Property
Cp,gas	162.70	J/mol×K	516.06	Joback Calculated Property
Cp,gas	169.63	J/mol×K	552.88	Joback Calculated Property
Cp,gas	176.26	J/mol×K	589.70	Joback Calculated Property
Cp,gas	182.59	J/mol×K	626.51	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 341.95]	kPa	[302.12; 436.88]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.59997e+01
Coefficient B			-3.88008e+03
Coefficient C			-5.51720e+01
Temperature range, min.			302.12
Temperature range, max.			436.88
Pvap	1.33	kPa	302.12	Calculated Property
Pvap	3.27	kPa	317.09	Calculated Property
Pvap	7.29	kPa	332.07	Calculated Property
Pvap	14.97	kPa	347.04	Calculated Property
Pvap	28.63	kPa	362.01	Calculated Property
Pvap	51.56	kPa	376.99	Calculated Property
Pvap	88.14	kPa	391.96	Calculated Property
Pvap	143.92	kPa	406.93	Calculated Property
Pvap	225.80	kPa	421.91	Calculated Property
Pvap	341.95	kPa	436.88	Calculated Property

Similar Compounds

Find more compounds similar to Methyl ethyl disulfide.

Sources

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

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