Chemical Properties of Acetaldehyde, hydroxy- (CAS 141-46-8)

InChI

InChI=1S/C2H4O2/c3-1-2-4/h1,4H,2H2

InChI Key

WGCNASOHLSPBMP-UHFFFAOYSA-N

Formula

C2H4O2

SMILES

O=CCO

Molecular Weight¹

60.05

CAS

141-46-8

Other Names

• 2-hydroxyacetaldehyde
• Diose
• Glycoaldehyde
• Glycolic aldehyde
• HOCH2CHO
• Methylol formaldehyde
• Monomethylolformaldehyde
• NSC 67935
• glycolaldehyde
• glycollaldehyde
• hydroxyacetaldehyde

• 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 a given temperature (kJ/mol).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_vap : Vapor pressure (kPa).
• T_boil : Normal Boiling Point Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Cheméo can also estimate Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization 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

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[80.87; 100.30]	J/mol×K	[386.00; 556.85]
Cp,gas	80.87	J/mol×K	386.00	Joback Calculated Property
Cp,gas	84.43	J/mol×K	414.48	Joback Calculated Property
Cp,gas	87.87	J/mol×K	442.95	Joback Calculated Property
Cp,gas	91.17	J/mol×K	471.43	Joback Calculated Property
Cp,gas	94.34	J/mol×K	499.90	Joback Calculated Property
Cp,gas	97.38	J/mol×K	528.38	Joback Calculated Property
Cp,gas	100.30	J/mol×K	556.85	Joback Calculated Property
η	[0.0003977; 0.0568020]	Pa×s	[215.12; 386.00]
η	0.0568020	Pa×s	215.12	Joback Calculated Property
η	0.0153215	Pa×s	243.60	Joback Calculated Property
η	0.0054372	Pa×s	272.08	Joback Calculated Property
η	0.0023481	Pa×s	300.56	Joback Calculated Property
η	0.0011727	Pa×s	329.04	Joback Calculated Property
η	0.0006542	Pa×s	357.52	Joback Calculated Property
η	0.0003977	Pa×s	386.00	Joback Calculated Property
ΔvapH	70.00 ± 5.00	kJ/mol	288.50	NIST
Pvap	[3.70e-03; 0.49]	kPa	[295.85; 355.98]
Pvap	3.70e-03	kPa	295.85	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	9.00e-03	kPa	305.10	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	9.60e-03	kPa	305.51	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.03	kPa	319.50	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.03	kPa	319.84	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.04	kPa	322.38	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.05	kPa	323.64	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.06	kPa	327.73	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.10	kPa	333.04	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.15	kPa	339.32	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.17	kPa	340.91	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.18	kPa	341.95	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.20	kPa	342.82	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.25	kPa	346.83	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
Pvap	0.49	kPa	355.98	Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K

Similar Compounds

Find more compounds similar to Acetaldehyde, hydroxy-.

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
• Vapor Pressure Measurements of Hydroxyacetaldehyde and Hydroxyacetone in the Temperature Range (273 to 356) K
• Joback Method
• McGowan Method
• NIST Webbook

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