Chemical Properties of Methane, trimethoxy- (CAS 149-73-5)

Methane, trimethoxy-

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InChI Key
Molecular Weight1
Other Names
  • CH(OCH3)3
  • Methoxymethylal
  • Methyl orthoformate
  • Methylester kyseliny orthomravenci
  • NSC 147479
  • Orthoformic acid methyl ester
  • Orthoformic acid, trimethyl ester
  • Orthomravencan methylnaty
  • Trimethoxymethane
  • Trimethyl orthoformate
  • Trimethylester kyseliny orthomravenci

Physical Properties

Property Value Unit Source
Δcliquid -2427.80 ± 2.00 kJ/mol NIST
Δf -334.64 kJ/mol Joback Calculated Property
Δfgas -531.80 ± 3.20 kJ/mol NIST
Δfgas -531.90 ± 2.60 kJ/mol NIST
Δfliquid -568.86 ± 0.88 kJ/mol NIST
Δfliquid -575.30 ± 2.00 kJ/mol NIST
Δfus 6.16 kJ/mol Joback Calculated Property
Δvap [37.10; 43.40] kJ/mol Show Hide
Δvap 38.20 kJ/mol NIST
Δvap 37.10 kJ/mol NIST
Δvap 38.10 ± 0.84 kJ/mol NIST
Δvap 43.40 kJ/mol NIST
Δvap 38.10 ± 0.80 kJ/mol NIST
IE [9.50; 10.24] eV Show Hide
IE 9.50 eV NIST
IE 9.50 eV NIST
IE 9.50 eV NIST
IE 10.24 ± 0.07 eV NIST
logPoct/wat 0.21 Crippen Calculated Property
Pc 3695.46 kPa Joback Calculated Property
Tboil 374.70 K NIST
Tboil 377.20 K NIST
Tc 528.12 K Joback Calculated Property
Tfus 186.53 K Joback Calculated Property
Vc 0.31 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 157.20 J/mol×K 357.74 Joback Calculated Property
η 0.00 Pa×s 357.74 Joback Calculated Property
ΔvapH 39.00 kJ/mol 315.5 NIST

Molecular Descriptors

Joback and Reid Groups
-O- (nonring) 3
>CH- 1
-CH3 3

Similar Compounds

Tetramethoxymethane. Methane, dimethoxy-. Ethyl orthoformate. Triethoxymethane. Ethane, 1,1,1-trimethoxy-. 1,3,5-Trioxane. 2-Methoxy-1,3-dioxolane. Ethane, 1,1',1'',1'''-[methanetetrayltetrakis(oxy)]tetrakis-. Dimethyl(E)-1-propenyl orthoformate. 1-Propene, 1-(dimethoxymethoxy)-, (E)-. 1,3,5,7-Tetroxane. Tripropyl orthoformate. Ethane, 1,1-dimethoxy-. Carbonic acid, dimethyl ester. 1,1-Dimethoxyethane.

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