Chemical Properties of 2H-Pyran, tetrahydro-, 2,6-dimethoxy (CAS 6581-57-3)

InChI

InChI=1S/C7H14O3/c1-8-6-4-3-5-7(9-2)10-6/h6-7H,3-5H2,1-2H3

InChI Key

DNLONCVMTWHJOV-UHFFFAOYSA-N

Formula

C7H14O3

SMILES

COC1CCCC(OC)O1

Molecular Weight¹

146.18

CAS

6581-57-3

Other Names

• 2,6-Dimethoxytetrahydropyran
• tetrahydro-2,6-dimethoxy-2H-pyran

• 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).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfusH°	17.15	kJ/mol	Joback Calculated Property
ΔvapH°	50.24	kJ/mol	Relay (1.0) Calculated Property
IE	9.45	eV	Relay (1.0) Calculated Property
logPoct/wat	1.132		Crippen Calculated Property
McVol	116.240	ml/mol	McGowan Calculated Property
Inp	[1000.00; 1100.00]
Inp	1000.00		NIST
Inp	1100.00		NIST
Inp	1000.00		NIST
Tboil	449.12	K	Relay (1.0) Calculated Property

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, 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.

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[166.29; 428.72]	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			5.18000e+00
Coefficient B			6.35040e-01
Coefficient C			-1.46700e-04
Coefficient D			-6.48000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	166.29	J/mol×K	273.00	Calculated Property
Cp,gas	208.61	J/mol×K	353.78	Calculated Property
Cp,gas	248.12	J/mol×K	434.56	Calculated Property
Cp,gas	284.61	J/mol×K	515.33	Calculated Property
Cp,gas	317.88	J/mol×K	596.11	Calculated Property
Cp,gas	347.72	J/mol×K	676.89	Calculated Property
Cp,gas	373.93	J/mol×K	757.67	Calculated Property
Cp,gas	396.30	J/mol×K	838.44	Calculated Property
Cp,gas	414.63	J/mol×K	919.22	Calculated Property
Cp,gas	428.72	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0028869; 0.0002329]	Pa×s	[242.82; 453.09]	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			-1.12721e+01
Coefficient B			1.31719e+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.			242.82
Temperature range, max.			453.09
η	0.0028869	Pa×s	242.82	Calculated Property
η	0.0017933	Pa×s	266.18	Calculated Property
η	0.0012030	Pa×s	289.55	Calculated Property
η	0.0008565	Pa×s	312.91	Calculated Property
η	0.0006393	Pa×s	336.27	Calculated Property
η	0.0004957	Pa×s	359.64	Calculated Property
η	0.0003964	Pa×s	383.00	Calculated Property
η	0.0003253	Pa×s	406.36	Calculated Property
η	0.0002728	Pa×s	429.72	Calculated Property
η	0.0002329	Pa×s	453.09	Calculated Property

Similar Compounds

Find more compounds similar to 2H-Pyran, tetrahydro-, 2,6-dimethoxy.

Sources

• Cheméo Relay (1.0)
• 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

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