Chemical Properties of Disulfide, dimethyl (CAS 624-92-0)

InChI

InChI=1S/C2H6S2/c1-3-4-2/h1-2H3

InChI Key

WQOXQRCZOLPYPM-UHFFFAOYSA-N

Formula

C2H6S2

SMILES

CSSC

Molecular Weight¹

94.20

CAS

624-92-0

Other Names

• (CH3S)2
• (METHYLDITHIO)METHANE
• 2,3-DITHIABUTANE
• DMDS
• Dimethyl disulfide
• Dimethyl disulphide
• Methyl disulfide
• Methyldisulfanylmethane
• NSC 9370
• Sulfa-Hitech
• UN 2381
• dimethyldisulfide
• disulfide, dimethyl-

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• EA : Electron affinity (eV).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_{(+) ion} : Enthalpy of formation of positive ion at standard conditions (kJ/mol).
• Δ_fH_{(+) ion,0K} : Enthalpy of formation of positive ion at 0K (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (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).
• n₀ : Refractive Index.
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I : 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_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.2380		KDB
PAff	815.30	kJ/mol	NIST
BasG	782.80	kJ/mol	NIST
ΔcH°liquid	-2786.50 ± 0.71	kJ/mol	NIST
EA	[0.23; 1.75]	eV
EA	1.75	eV	NIST
EA	0.23 ± 0.21	eV	NIST
ΔfG°	32.20	kJ/mol	Joback Calculated Property
ΔfH°gas	[-24.10; -24.00]	kJ/mol
ΔfH°gas	-24.10 ± 2.30	kJ/mol	NIST
ΔfH°gas	-24.00	kJ/mol	NIST
ΔfH°gas	-24.10 ± 0.84	kJ/mol	NIST
ΔfH°liquid	[-62.60; -62.47]	kJ/mol
ΔfH°liquid	-62.60 ± 2.00	kJ/mol	NIST
ΔfH°liquid	-62.47 ± 0.84	kJ/mol	NIST
ΔfH°(+) ion	690.00 ± 15.00	kJ/mol	NIST
ΔfH(+) ion,0K	707.00 ± 15.00	kJ/mol	NIST
ΔfusH°	9.20	kJ/mol	Joback Calculated Property
ΔvapH°	34.41	kJ/mol	Relay (1.0) Calculated Property
IE	[7.40; 9.00]	eV
IE	Outlier 7.40 ± 0.10	eV	NIST
IE	8.20 ± 0.20	eV	NIST
IE	8.18 ± 0.03	eV	NIST
IE	Outlier 7.40 ± 0.30	eV	NIST
IE	8.33 ± 0.02	eV	NIST
IE	8.30	eV	NIST
IE	8.71 ± 0.03	eV	NIST
IE	8.46 ± 0.03	eV	NIST
IE	8.97	eV	NIST
IE	8.96	eV	NIST
IE	8.97	eV	NIST
IE	8.96	eV	NIST
IE	9.00	eV	NIST
IE	8.97	eV	NIST
IE	8.98	eV	NIST
IE	8.82	eV	NIST
IE	8.97	eV	NIST
log10WS	[-1.44; -1.44]
log10WS	-1.44		Aq. Solubility Prediction
log10WS	-1.44		Estimated Solubility
logPoct/wat	1.627		Crippen Calculated Property
McVol	71.740	ml/mol	McGowan Calculated Property
Pc	[4800.00; 5070.00]	kPa
Pc	4800.00	kPa	KDB
Pc	5070.00	kPa	Critical Point and Vapor Pressure Measurements for 17 Compounds by a Low Residence Time Flow Method
Inp	[718.00; 785.00]
Inp	758.50		NIST
Inp	Outlier 767.80		NIST
Inp	747.10		NIST
Inp	751.30		NIST
Inp	748.00		NIST
Inp	765.00		NIST
Inp	732.00		NIST
Inp	718.00		NIST
Inp	732.00		NIST
Inp	731.00		NIST
Inp	734.00		NIST
Inp	734.00		NIST
Inp	722.00		NIST
Inp	729.00		NIST
Inp	728.00		NIST
Inp	734.00		NIST
Inp	730.00		NIST
Inp	736.00		NIST
Inp	736.00		NIST
Inp	747.00		NIST
Inp	718.00		NIST
Inp	723.00		NIST
Inp	732.00		NIST
Inp	736.00		NIST
Inp	730.00		NIST
Inp	742.00		NIST
Inp	Outlier 777.00		NIST
Inp	761.00		NIST
Inp	756.00		NIST
Inp	756.00		NIST
Inp	756.00		NIST
Inp	727.00		NIST
Inp	Outlier 785.00		NIST
Inp	747.90		NIST
Inp	750.00		NIST
Inp	744.00		NIST
Inp	744.00		NIST
Inp	752.00		NIST
Inp	723.00		NIST
Inp	754.00		NIST
Inp	753.00		NIST
Inp	731.00		NIST
Inp	741.00		NIST
Inp	748.00		NIST
Inp	722.00		NIST
Inp	753.00		NIST
Inp	756.00		NIST
Inp	746.00		NIST
Inp	736.00		NIST
Inp	722.00		NIST
Inp	722.00		NIST
Inp	728.00		NIST
Inp	722.00		NIST
Inp	732.00		NIST
Inp	722.00		NIST
Inp	731.00		NIST
Inp	733.00		NIST
Inp	731.00		NIST
Inp	720.00		NIST
Inp	730.00		NIST
Inp	720.00		NIST
Inp	745.00		NIST
Inp	726.00		NIST
Inp	723.00		NIST
Inp	Outlier 783.00		NIST
Inp	740.00		NIST
Inp	718.00		NIST
Inp	725.00		NIST
Inp	720.00		NIST
Inp	727.00		NIST
Inp	729.00		NIST
Inp	746.00		NIST
Inp	738.00		NIST
Inp	746.00		NIST
Inp	752.00		NIST
Inp	753.00		NIST
Inp	753.00		NIST
Inp	736.00		NIST
Inp	745.00		NIST
Inp	751.00		NIST
Inp	765.00		NIST
Inp	753.00		NIST
Inp	721.00		NIST
Inp	764.00		NIST
Inp	738.00		NIST
Inp	741.00		NIST
Inp	753.00		NIST
Inp	758.00		NIST
Inp	747.00		NIST
Inp	751.00		NIST
Inp	742.00		NIST
Inp	743.00		NIST
Inp	728.00		NIST
Inp	732.00		NIST
Inp	735.00		NIST
Inp	740.00		NIST
Inp	738.00		NIST
Inp	739.00		NIST
Inp	746.00		NIST
Inp	751.00		NIST
Inp	747.00		NIST
Inp	Outlier 783.00		NIST
Inp	729.00		NIST
Inp	735.00		NIST
Inp	746.00		NIST
Inp	747.00		NIST
Inp	756.00		NIST
Inp	731.00		NIST
Inp	740.00		NIST
Inp	743.00		NIST
Inp	746.00		NIST
Inp	744.00		NIST
Inp	736.00		NIST
Inp	718.00		NIST
Inp	760.00		NIST
Inp	744.00		NIST
Inp	722.00		NIST
Inp	723.00		NIST
Inp	729.00		NIST
Inp	747.00		NIST
Inp	746.00		NIST
Inp	732.00		NIST
Inp	747.00		NIST
Inp	749.00		NIST
Inp	761.00		NIST
Inp	730.00		NIST
Inp	746.00		NIST
Inp	722.00		NIST
Inp	744.00		NIST
Inp	746.00		NIST
Inp	740.00		NIST
Inp	732.00		NIST
Inp	736.00		NIST
Inp	751.00		NIST
Inp	Outlier 768.00		NIST
Inp	740.00		NIST
Inp	722.00		NIST
Inp	725.00		NIST
Inp	731.00		NIST
Inp	748.00		NIST
Inp	733.00		NIST
Inp	722.00		NIST
Inp	Outlier 770.00		NIST
Inp	726.00		NIST
Inp	738.00		NIST
Inp	730.00		NIST
Inp	722.00		NIST
Inp	722.00		NIST
Inp	723.00		NIST
Inp	724.00		NIST
Inp	719.00		NIST
Inp	719.00		NIST
Inp	732.00		NIST
Inp	726.00		NIST
Inp	733.00		NIST
Inp	746.00		NIST
Inp	740.00		NIST
Inp	748.00		NIST
Inp	747.00		NIST
Inp	743.00		NIST
Inp	756.00		NIST
Inp	733.00		NIST
Inp	729.00		NIST
Inp	741.00		NIST
Inp	725.00		NIST
Inp	732.00		NIST
Inp	750.00		NIST
Inp	750.00		NIST
Inp	750.00		NIST
Inp	730.00		NIST
Inp	742.00		NIST
Inp	765.00		NIST
Inp	751.00		NIST
Inp	744.00		NIST
Inp	743.00		NIST
Inp	724.00		NIST
Inp	746.00		NIST
Inp	756.00		NIST
Inp	734.00		NIST
Inp	735.00		NIST
Inp	761.00		NIST
Inp	741.00		NIST
Inp	734.00		NIST
Inp	723.00		NIST
Inp	735.00		NIST
Inp	745.00		NIST
Inp	746.00		NIST
Inp	743.00		NIST
Inp	720.00		NIST
Inp	735.00		NIST
Inp	749.00		NIST
Inp	726.00		NIST
Inp	732.00		NIST
Inp	739.00		NIST
Inp	730.00		NIST
Inp	752.00		NIST
Inp	720.00		NIST
Inp	724.00		NIST
Inp	743.00		NIST
Inp	Outlier 770.00		NIST
Inp	Outlier 770.00		NIST
Inp	727.00		NIST
Inp	733.00		NIST
Inp	743.00		NIST
Inp	725.00		NIST
Inp	730.00		NIST
Inp	735.00		NIST
Inp	Outlier 770.00		NIST
I	[1036.00; 1127.00]
I	1105.00		NIST
I	1078.00		NIST
I	1044.00		NIST
I	1081.00		NIST
I	1069.00		NIST
I	1076.00		NIST
I	1065.00		NIST
I	1060.00		NIST
I	1068.00		NIST
I	Outlier 1036.00		NIST
I	1071.00		NIST
I	Outlier 1112.00		NIST
I	1062.00		NIST
I	1078.00		NIST
I	1050.00		NIST
I	1095.00		NIST
I	1086.00		NIST
I	1105.00		NIST
I	Outlier 1036.00		NIST
I	1086.00		NIST
I	1054.00		NIST
I	1071.00		NIST
I	1077.00		NIST
I	1077.00		NIST
I	1074.00		NIST
I	1066.00		NIST
I	1062.00		NIST
I	Outlier 1113.00		NIST
I	1074.00		NIST
I	1074.00		NIST
I	1074.00		NIST
I	1065.00		NIST
I	1077.00		NIST
I	1104.00		NIST
I	1065.00		NIST
I	1058.00		NIST
I	Outlier 1110.00		NIST
I	1057.00		NIST
I	1063.00		NIST
I	1081.00		NIST
I	Outlier 1120.00		NIST
I	1078.00		NIST
I	1078.00		NIST
I	1076.00		NIST
I	1055.00		NIST
I	Outlier 1037.00		NIST
I	1077.00		NIST
I	Outlier 1037.00		NIST
I	Outlier 1039.00		NIST
I	1077.00		NIST
I	1081.00		NIST
I	1077.00		NIST
I	1077.00		NIST
I	1075.00		NIST
I	1077.00		NIST
I	1072.00		NIST
I	1075.00		NIST
I	1080.00		NIST
I	1072.00		NIST
I	1077.00		NIST
I	1060.00		NIST
I	1069.00		NIST
I	1094.00		NIST
I	1094.00		NIST
I	1094.00		NIST
I	1103.00		NIST
I	1086.00		NIST
I	Outlier 1127.00		NIST
I	1102.90		NIST
I	1070.00		NIST
I	1053.00		NIST
I	1076.00		NIST
I	1079.00		NIST
I	1051.00		NIST
I	1086.00		NIST
I	1075.00		NIST
I	1086.00		NIST
I	1061.00		NIST
I	1089.00		NIST
I	1088.00		NIST
I	1095.00		NIST
I	1066.00		NIST
I	1072.00		NIST
I	1095.00		NIST
I	1061.00		NIST
I	1071.00		NIST
I	1064.00		NIST
I	1080.00		NIST
I	1075.00		NIST
I	1075.00		NIST
I	1054.00		NIST
I	1079.00		NIST
I	1077.00		NIST
I	1077.00		NIST
I	1100.00		NIST
I	1083.00		NIST
I	1077.00		NIST
I	1077.00		NIST
I	1080.00		NIST
I	1052.00		NIST
I	1052.00		NIST
I	1076.00		NIST
I	1070.00		NIST
I	1082.00		NIST
I	1083.00		NIST
I	1067.00		NIST
I	1063.00		NIST
I	1100.00		NIST
I	1072.00		NIST
I	1075.00		NIST
I	1079.00		NIST
I	1079.00		NIST
I	1079.00		NIST
I	1075.00		NIST
I	1080.00		NIST
I	1091.00		NIST
I	1066.00		NIST
I	1081.00		NIST
I	1071.00		NIST
I	1062.00		NIST
I	1095.00		NIST
I	1069.00		NIST
I	1095.00		NIST
I	1081.00		NIST
I	1070.00		NIST
I	Outlier 1119.00		NIST
I	1070.00		NIST
I	1083.00		NIST
I	1085.00		NIST
I	1091.00		NIST
I	1081.00		NIST
I	1065.00		NIST
I	1069.00		NIST
I	1065.00		NIST
I	Outlier 1112.00		NIST
I	1086.00		NIST
I	1071.00		NIST
I	1062.00		NIST
I	Outlier 1110.00		NIST
I	1078.00		NIST
I	1077.00		NIST
I	1079.00		NIST
I	1061.00		NIST
I	1072.00		NIST
I	1080.00		NIST
I	1070.00		NIST
I	1060.00		NIST
I	1103.00		NIST
I	1053.00		NIST
S°liquid	235.39	J/mol×K	NIST
Tboil	[0.00; 383.00]	K
Tboil	382.90	K	KDB
Tboil	382.90	K	NIST
Tboil	382.90	K	NIST
Tboil	381.15 ± 1.50	K	NIST
Tboil	383.00 ± 1.50	K	NIST
Tboil	Outlier 0.00	K	NIST
Tc	[605.00; 615.00]	K
Tc	605.00	K	KDB
Tc	615.00 ± 50.00	K	NIST
Tc	605.70	K	NIST
Tfus	[188.00; 188.50]	K
Tfus	188.00	K	KDB
Tfus	188.50 ± 0.20	K	NIST
Ttriple	188.44 ± 0.02	K	NIST
Vc	0.261	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[107.10; 139.78]	J/mol×K	[382.72; 606.07]
Cp,gas	107.10	J/mol×K	382.72	Joback Calculated Property
Cp,gas	112.99	J/mol×K	419.95	Joback Calculated Property
Cp,gas	118.73	J/mol×K	457.17	Joback Calculated Property
Cp,gas	124.28	J/mol×K	494.40	Joback Calculated Property
Cp,gas	129.65	J/mol×K	531.62	Joback Calculated Property
Cp,gas	134.82	J/mol×K	568.85	Joback Calculated Property
Cp,gas	139.78	J/mol×K	606.07	Joback Calculated Property
Cp,liquid	146.11	J/mol×K	298.15	NIST
ΔfusH	[9.19; 9.19]	kJ/mol	[188.40; 188.44]
ΔfusH	9.19	kJ/mol	188.40	NIST
ΔfusH	9.19	kJ/mol	188.40	NIST
ΔfusH	9.19	kJ/mol	188.44	NIST
ΔvapH	[33.68; 38.20]	kJ/mol	[310.50; 383.00]
ΔvapH	38.20	kJ/mol	310.50	NIST
ΔvapH	36.00 ± 0.10	kJ/mol	341.00	NIST
ΔvapH	37.80	kJ/mol	349.50	NIST
ΔvapH	36.70	kJ/mol	354.50	NIST
ΔvapH	34.90 ± 0.10	kJ/mol	360.00	NIST
ΔvapH	36.20	kJ/mol	367.50	NIST
ΔvapH	33.68	kJ/mol	382.90	KDB
ΔvapH	33.78	kJ/mol	382.90	NIST
ΔvapH	33.70 ± 0.10	kJ/mol	383.00	NIST
Pvap	[18.20; 100.60]	kPa	[332.19; 382.02]
Pvap	18.20	kPa	332.19	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
Pvap	31.10	kPa	346.26	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
Pvap	41.70	kPa	354.42	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
Pvap	53.90	kPa	362.18	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
Pvap	61.90	kPa	366.46	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
Pvap	72.90	kPa	371.63	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
Pvap	81.10	kPa	375.04	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
Pvap	90.90	kPa	378.75	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
Pvap	100.60	kPa	382.02	Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
n0	1.52260		298.00	Vapor-Liquid Equilibrium for Dimethyl Disulfide + Butane, + trans-But-2-ene, + 2-Methylpropane, + 2-Methylpropene, + Ethanol, and 2-Ethoxy-2-methylpropane
ρl	1051.14	kg/m3	303.15	Isobaric Vapor Liquid Equilibrium for the Binary Systems Dimethyl Disulfide + C1 C4 n-Alkanol at 40.000 and 101.325 kPa
ΔfusS	48.78	J/mol×K	188.44	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 5897.21]	kPa	[279.68; 615.00]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.46948e+01
Coefficient B			-3.46015e+03
Coefficient C			-3.95090e+01
Temperature range, min.			279.68
Temperature range, max.			615.00
Pvap	1.33	kPa	279.68	Calculated Property
Pvap	9.23	kPa	316.94	Calculated Property
Pvap	40.42	kPa	354.20	Calculated Property
Pvap	129.44	kPa	391.45	Calculated Property
Pvap	331.75	kPa	428.71	Calculated Property
Pvap	721.33	kPa	465.97	Calculated Property
Pvap	1384.36	kPa	503.23	Calculated Property
Pvap	2411.31	kPa	540.48	Calculated Property
Pvap	3889.49	kPa	577.74	Calculated Property
Pvap	5897.21	kPa	615.00	Calculated Property
Pvap	[1.95e-04; 5336.33]	kPa	[188.44; 606.00]	KDB Vapor Pressure Data
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			8.00528e+01
Coefficient B			-7.14948e+03
Coefficient C			-9.71673e+00
Coefficient D			7.02902e-06
Temperature range, min.			188.44
Temperature range, max.			606.00
Pvap	1.95e-04	kPa	188.44	Calculated Property
Pvap	0.05	kPa	234.84	Calculated Property
Pvap	1.48	kPa	281.23	Calculated Property
Pvap	14.99	kPa	327.63	Calculated Property
Pvap	77.94	kPa	374.02	Calculated Property
Pvap	267.27	kPa	420.42	Calculated Property
Pvap	699.68	kPa	466.81	Calculated Property
Pvap	1531.63	kPa	513.21	Calculated Property
Pvap	2974.93	kPa	559.60	Calculated Property
Pvap	5336.33	kPa	606.00	Calculated Property

Similar Compounds

Find more compounds similar to Disulfide, dimethyl.

Mixtures

• Toluene + Disulfide, dimethyl
• Disulfide, dimethyl + Pentane, 2,2,4-trimethyl-
• 1-Pentene, 2,4,4-trimethyl- + Disulfide, dimethyl
• Disulfide, dimethyl + Methyl Alcohol
• Ethanol + Disulfide, dimethyl
• 1-Propanol + Disulfide, dimethyl
• 1-Butanol + Disulfide, dimethyl
• Butane + Disulfide, dimethyl
• Disulfide, dimethyl + Isobutane
• 1-Propene, 2-methyl- + Disulfide, dimethyl
• 2-Butene, (E)- + Disulfide, dimethyl
• Propane, 2-ethoxy-2-methyl- + Disulfide, dimethyl
• sodium chloride + Disulfide, dimethyl + Water
• Disulfide, dimethyl + Water

Sources

• KDB Vapor Pressure Data
• Cheméo Relay (1.0)
• Crippen Method
• Phase equilibria for systems containing dimethyl disulfide and diethyl disulfide with hydrocarbons at 368.15 K
• Combined effects of salinity and temperature on the solubility of organic compounds
• Isobaric Vapor Liquid Equilibrium for the Binary Systems Dimethyl Disulfide + C1 C4 n-Alkanol at 40.000 and 101.325 kPa
• Liquid-Liquid Equilibria on Three Binary Systems: Methyl Cyclopropanecarboxalate + Water; Dimethyl Sulfide + Water; and Dimethyl Disulfide + Water
• Critical Point and Vapor Pressure Measurements for 17 Compounds by a Low Residence Time Flow Method
• Vapor-Liquid Equilibrium for Dimethyl Disulfide + Butane, + trans-But-2-ene, + 2-Methylpropane, + 2-Methylpropene, + Ethanol, and 2-Ethoxy-2-methylpropane
• Joback Method
• KDB
• Aqueous Solubility Prediction Method
• Estimated Solubility Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
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