Chemical Properties of 3,4-Dihydroxy-5-methoxybenzaldehyde (CAS 3934-87-0)

InChI

InChI=1S/C8H8O4/c1-12-7-3-5(4-9)2-6(10)8(7)11/h2-4,10-11H,1H3

InChI Key

RRKMWVISRMWBAL-UHFFFAOYSA-N

Formula

C8H8O4

SMILES

COc1cc(C=O)cc(O)c1O

Molecular Weight¹

168.15

CAS

3934-87-0

Other Names

• Benzaldehyde, 3,4-dihydroxy-5-methoxy-
• Protocatechualdehyde, 5-methoxy-
• 5-Methoxyprotocatechualdehyde
• 5-Hydroxyvanillin

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• 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).
• 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).
• 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

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[299.41; 343.90]	J/mol×K	[646.42; 883.71]
Cp,gas	299.41	J/mol×K	646.42	Joback Calculated Property
Cp,gas	307.75	J/mol×K	685.97	Joback Calculated Property
Cp,gas	315.58	J/mol×K	725.52	Joback Calculated Property
Cp,gas	323.00	J/mol×K	765.07	Joback Calculated Property
Cp,gas	330.12	J/mol×K	804.61	Joback Calculated Property
Cp,gas	337.05	J/mol×K	844.16	Joback Calculated Property
Cp,gas	343.90	J/mol×K	883.71	Joback Calculated Property
η	[0.0000041; 0.0000631]	Pa×s	[506.53; 646.42]
η	0.0000631	Pa×s	506.53	Joback Calculated Property
η	0.0000362	Pa×s	529.85	Joback Calculated Property
η	0.0000218	Pa×s	553.16	Joback Calculated Property
η	0.0000137	Pa×s	576.48	Joback Calculated Property
η	0.0000089	Pa×s	599.79	Joback Calculated Property
η	0.0000060	Pa×s	623.11	Joback Calculated Property
η	0.0000041	Pa×s	646.42	Joback Calculated Property

Similar Compounds

Find more compounds similar to 3,4-Dihydroxy-5-methoxybenzaldehyde.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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