Chemical Properties of 2H-Pyran, tetrahydro-2-methoxy- (CAS 6581-66-4)

InChI

InChI=1S/C6H12O2/c1-7-6-4-2-3-5-8-6/h6H,2-5H2,1H3

InChI Key

XTDKZSUYCXHXJM-UHFFFAOYSA-N

Formula

C6H12O2

SMILES

COC1CCCCO1

Molecular Weight¹

116.16

CAS

6581-66-4

Other Names

• 2-Methoxytetrahydropyran
• tetrahydro-2-methoxy-2H-pyran

• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• 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).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• I_np : Non-polar retention indices.
• S°_gas : Molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔcH°liquid	-3633.80 ± 1.30	kJ/mol	NIST
ΔfusH°	12.30	kJ/mol	Joback Calculated Property
ΔvapH°	39.30 ± 1.20	kJ/mol	NIST
logPoct/wat	1.159		Crippen Calculated Property
McVol	96.280	ml/mol	McGowan Calculated Property
Inp	[870.00; 890.00]
Inp	870.00		NIST
Inp	890.00		NIST
Inp	870.00		NIST
S°gas	367.40	J/mol×K	NIST
Tboil	401.70	K	NIST

Cheméo can also estimate Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[127.41; 351.97]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			-2.53500e+01
Coefficient B			6.29720e-01
Coefficient C			-2.58700e-04
Coefficient D			6.30000e-09
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	127.41	J/mol×K	273.00	Calculated Property
Cp,gas	165.33	J/mol×K	353.78	Calculated Property
Cp,gas	199.96	J/mol×K	434.56	Calculated Property
Cp,gas	231.33	J/mol×K	515.33	Calculated Property
Cp,gas	259.44	J/mol×K	596.11	Calculated Property
Cp,gas	284.32	J/mol×K	676.89	Calculated Property
Cp,gas	306.00	J/mol×K	757.67	Calculated Property
Cp,gas	324.49	J/mol×K	838.44	Calculated Property
Cp,gas	339.80	J/mol×K	919.22	Calculated Property
Cp,gas	351.97	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0059104; 0.0002513]	Pa×s	[213.56; 427.15]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.14460e+01
Coefficient B			1.34863e+03
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Comment			Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min.			213.56
Temperature range, max.			427.15
η	0.0059104	Pa×s	213.56	Calculated Property
η	0.0031429	Pa×s	237.29	Calculated Property
η	0.0018746	Pa×s	261.02	Calculated Property
η	0.0012187	Pa×s	284.76	Calculated Property
η	0.0008466	Pa×s	308.49	Calculated Property
η	0.0006195	Pa×s	332.22	Calculated Property
η	0.0004726	Pa×s	355.95	Calculated Property
η	0.0003730	Pa×s	379.68	Calculated Property
η	0.0003026	Pa×s	403.41	Calculated Property
η	0.0002513	Pa×s	427.15	Calculated Property

Similar Compounds

Find more compounds similar to 2H-Pyran, tetrahydro-2-methoxy-.

Sources

• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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.
Calculated This icon marks a calculated value or equation: a prediction, not a measurement.
These property values are available through the Cheméo API. A free account gives you an access key.