Chemical Properties of Dimethyl sulfide (CAS 75-18-3)

Dimethyl sulfide

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InChI
InChI=1S/C2H6S/c1-3-2/h1-2H3
InChI Key
QMMFVYPAHWMCMS-UHFFFAOYSA-N
Formula
C2H6S
SMILES
CSC
Molecular Weight1
62.13
CAS
75-18-3
Other Names
  • (CH3)2S
  • 2-Thiapropane
  • 2-Thiopropane
  • DMS
  • Dimethyl monosulfide
  • Dimethyl sulphide
  • Dimethyl thioether
  • Dimethylsulfid
  • Exact-S
  • Methane, 1,1'-thiobis-
  • Methane, thiobis-
  • Methyl monosulfide
  • Methyl sulfide
  • Methyl sulphide
  • Methyl thioether
  • Methylthiomethane
  • Sulfide, methyl-
  • Sulfure de methyle
  • Thiobismethane
  • UN 1164
Sources

Physical Properties

Property Value Unit Source
PAff 830.90 kJ/mol NIST
BasG 801.20 kJ/mol NIST
Δcliquid -2181.50 ± 0.30 kJ/mol NIST
Δf -0.92 kJ/mol Joback Calculated Property
Δfgas -37.50 ± 2.00 kJ/mol NIST
Δfgas -37.60 ± 0.59 kJ/mol NIST
Δfgas -32.40 kJ/mol NIST
Δfliquid -65.40 ± 1.50 kJ/mol NIST
Δfliquid -65.44 ± 0.59 kJ/mol NIST
Δfliquid -60.20 kJ/mol NIST
Δfus 5.07 kJ/mol Joback Calculated Property
Δvap [27.50; 27.99] kJ/mol Show Hide
Δvap 27.99 kJ/mol NIST
Δvap 27.90 ± 0.60 kJ/mol NIST
Δvap 27.90 ± 0.60 kJ/mol NIST
Δvap 27.90 kJ/mol NIST
Δvap Outlier 27.50 kJ/mol NIST
Δvap 27.70 kJ/mol NIST
Δvap 27.80 ± 0.04 kJ/mol NIST
Δvap 27.80 kJ/mol NIST
IE [8.50; 8.72] eV Show Hide
IE 8.69 ± 0.02 eV NIST
IE 8.60 eV NIST
IE 8.72 eV NIST
IE Outlier 8.50 ± 0.10 eV NIST
IE 8.60 eV NIST
IE 8.69 eV NIST
IE 8.71 ± 0.01 eV NIST
IE 8.67 eV NIST
IE 8.57 ± 0.04 eV NIST
IE 8.70 eV NIST
IE 8.69 ± 0.01 eV NIST
IE 8.68 ± 0.03 eV NIST
IE 8.70 ± 0.10 eV NIST
IE 8.69 ± 0.01 eV NIST
IE 8.67 eV NIST
IE 8.70 eV NIST
IE 8.70 eV NIST
IE 8.71 eV NIST
IE 8.71 eV NIST
IE 8.67 eV NIST
IE 8.65 eV NIST
IE 8.65 eV NIST
IE 8.71 eV NIST
IE 8.67 eV NIST
logPoct/wat 0.98 Crippen Calculated Property
Pc 5530.00 ± 40.53 kPa NIST
Tboil [310.50; 316.20] K Show Hide
Tboil 310.50 K NIST
Tboil 310.50 K NIST
Tboil 310.60 ± 0.30 K NIST
Tboil 311.20 ± 2.00 K NIST
Tboil 310.50 ± 0.30 K NIST
Tboil 310.60 ± 0.50 K NIST
Tboil Outlier 316.20 ± 0.60 K NIST
Tboil 310.50 ± 0.50 K NIST
Tboil 310.55 ± 0.30 K NIST
Tc 503.00 K NIST
Tc 503.00 ± 0.40 K NIST
Tc 503.00 ± 0.40 K NIST
Tfus 174.88 ± 0.06 K NIST
Tfus 174.90 ± 0.10 K NIST
Ttriple 174.85 ± 0.03 K NIST
Vc 0.20 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 74.88 J/mol×K 313.94 Joback Calculated Property
ΔfusH 7.98 kJ/mol 174.9 NIST
ΔfusH 7.98 kJ/mol 174.9 NIST
ΔvapH [26.60; 28.90] kJ/mol [272.00; 475.00] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 28.90 kJ/mol 272.0 NIST
ΔvapH 28.80 ± 0.10 kJ/mol 276.0 NIST
ΔvapH 27.90 ± 0.10 kJ/mol 292.0 NIST
ΔvapH 28.90 kJ/mol 293.5 NIST
ΔvapH 28.20 kJ/mol 302.5 NIST
ΔvapH 27.00 ± 0.10 kJ/mol 310.0 NIST
ΔvapH 28.90 kJ/mol 310.0 NIST
ΔvapH 27.00 kJ/mol 310.5 NIST
ΔvapH 27.70 kJ/mol 343.0 NIST
ΔvapH 26.60 kJ/mol 412.5 NIST
ΔvapH 26.70 kJ/mol 475.0 NIST

Molecular Descriptors

Joback and Reid Groups
-S- 1
-CH3 2

Similar Compounds

Trimethylsulfonium iodide. Mercaptomethyl radical. Dithiomethane, methyl. Methanethiol. MeS anion. Thiocyanic acid, methyl ester. Chloromethylmethyl sulfide. CH3SBrCH2. Thiirane. bis(mercaptomethyl) sulfide. Ethane, (methylthio)-. Methyl vinyl sulfide. 1,3-Dithiethane. 2,4-Dithiapentane. Iodomethyl methyl sulfide.

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