Chemical Properties of CF3OCH3 (CAS 421-14-7)

InChI

InChI=1S/C2H3F3O/c1-6-2(3,4)5/h1H3

InChI Key

JRHMNRMPVRXNOS-UHFFFAOYSA-N

Formula

C2H3F3O

SMILES

COC(F)(F)F

Molecular Weight¹

100.04

CAS

421-14-7

Other Names

• ether, methyl trifluoromethyl
• methane, trifluoromethoxy-
• methyl trifluoromethyl ether
• trifluoromethoxymethane

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• 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
ω	0.2630		Relay (1.0) Calculated Property
PAff	719.20	kJ/mol	NIST
BasG	690.00	kJ/mol	NIST
ΔfG°	-720.63	kJ/mol	Joback Calculated Property
ΔfH°gas	-864.58	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	3.95	kJ/mol	Joback Calculated Property
ΔvapH°	18.16	kJ/mol	Relay (1.0) Calculated Property
IE	12.10	eV	Relay (1.0) Calculated Property
log10WS	-0.60		Relay (1.0) Calculated Property
logPoct/wat	1.153		Crippen Calculated Property
McVol	50.220	ml/mol	McGowan Calculated Property
Pc	[3588.00; 3680.00]	kPa
Pc	3640.00	kPa	Critical Properties of Four HFE + HFC Binary Systems: Trifluoromethoxymethane (HFE-143m) + Pentafluoroethane (HFC-125), + 1,1,1,2-Tetrafluoroethane (HFC-134a), + 1,1,1,2,3,3,3-Heptafluoropropane (HFC-227ea), and + 1,1,1,2,3,3-Hexafluoropropane (HFC-236ea)
Pc	3640.00	kPa	Critical Properties of 1,2,2,2-Tetrafluoroethyl Trifluoromethyl Ether (HFE-227me) + Trifluoromethoxymethane (HFE-143m) and + Methyl Pentafluoroethyl Ether (HFE-245mc)
Pc	3588.00 ± 5.00	kPa	NIST
Pc	3680.00 ± 12.00	kPa	NIST
Tboil	241.39	K	Relay (1.0) Calculated Property
Tc	[378.02; 378.08]	K
Tc	378.02 ± 0.20	K	NIST
Tc	378.08 ± 0.30	K	NIST
Tfus	[124.00; 124.00]	K
Tfus	124.00 ± 2.00	K	NIST
Tfus	124.00 ± 2.00	K	NIST
Vc	[0.229; 0.229]	m3/kmol
Vc	0.229 ± 0.003	m3/kmol	NIST
Vc	0.229 ± 0.005	m3/kmol	NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[84.31; 109.65]	J/mol×K	[262.16; 404.95]
Cp,gas	84.31	J/mol×K	262.16	Joback Calculated Property
Cp,gas	88.96	J/mol×K	285.96	Joback Calculated Property
Cp,gas	93.43	J/mol×K	309.76	Joback Calculated Property
Cp,gas	97.74	J/mol×K	333.55	Joback Calculated Property
Cp,gas	101.87	J/mol×K	357.35	Joback Calculated Property
Cp,gas	105.84	J/mol×K	381.15	Joback Calculated Property
Cp,gas	109.65	J/mol×K	404.95	Joback Calculated Property
ΔvapH	22.50	kJ/mol	273.00	NIST
Pvap	[607.30; 3435.70]	kPa	[300.00; 375.00]
Pvap	607.70	kPa	300.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	607.30	kPa	300.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	698.70	kPa	305.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	800.90	kPa	310.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	800.70	kPa	310.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	801.70	kPa	310.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	914.30	kPa	315.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1038.10	kPa	320.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1038.50	kPa	320.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1038.40	kPa	320.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1175.70	kPa	325.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1325.70	kPa	330.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1325.60	kPa	330.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1325.70	kPa	330.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1489.70	kPa	335.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1668.80	kPa	340.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1668.50	kPa	340.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1670.20	kPa	340.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	1863.60	kPa	345.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	2074.90	kPa	350.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	2075.00	kPa	350.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	2071.70	kPa	350.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	2304.30	kPa	355.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	2553.10	kPa	360.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	2553.80	kPa	360.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	2554.90	kPa	360.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	2823.30	kPa	365.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	3116.40	kPa	370.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	3117.30	kPa	370.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	3117.10	kPa	370.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
Pvap	3435.70	kPa	375.00	Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether

Similar Compounds

Find more compounds similar to CF3OCH3.

Mixtures

• Ethane, pentafluoro- + CF3OCH3
• CF3OCH3 + Norflurane
• 1,1,1,2,3,3-Hexafluoropropane + CF3OCH3

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Thermodynamic Property Measurements for Trifluoromethyl Methyl Ether and Pentafluoroethyl Methyl Ether
• Critical Properties of Four HFE + HFC Binary Systems: Trifluoromethoxymethane (HFE-143m) + Pentafluoroethane (HFC-125), + 1,1,1,2-Tetrafluoroethane (HFC-134a), + 1,1,1,2,3,3,3-Heptafluoropropane (HFC-227ea), and + 1,1,1,2,3,3-Hexafluoropropane (HFC-236ea)
• Critical Properties of 1,2,2,2-Tetrafluoroethyl Trifluoromethyl Ether (HFE-227me) + Trifluoromethoxymethane (HFE-143m) and + Methyl Pentafluoroethyl Ether (HFE-245mc)
• Binary Vapor Liquid and Vapor Liquid Liquid Equilibria of Hydrofluorocarbons (HFC-125 and HFC-143a) and Hydrofluoroethers (HFE-125 and HFE-143a) with Ionic Liquid [emim][Tf2N]
• Joback Method
• McGowan Method
• NIST Webbook

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