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Acetaldehyde (data page)

January 01, 1970

This page provides supplementary chemical data on acetaldehyde.

Material Safety Data Sheet edit

The handling of this chemical may require safety precautions. The directions on the Material Safety Datasheet (MSDS) should be followed.

  • SDSdata.org index

Structure and properties edit

Structure and properties
Index of refraction, nD 1.3392 at 18 °C
Abbe number ?
Dielectric constant, εr 21.1 ε0 at 21 °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?
Surface tension[1] 22.3 dyn/cm at 10 °C
21.2 dyn/cm at 20 °C
17.0 dyn/cm at 50 °C
Viscosity[2] 0.2751 mPa·s at 0 °C
0.2521 mPa·s at 10 °C
0.2307 mPa·s at 20 °C

Thermodynamic properties edit

Phase behavior
Triple point ? K (? °C), ? Pa
Critical point[3] 466 K (183 °C), 5570 kPa
Std enthalpy change
of fusion, ΔfusHo 		2.310 kJ/mol
Std entropy change
of fusion, ΔfusSo 		15.43 J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo 		26.12 kJ/mol
Std entropy change
of vaporization, ΔvapSo 		? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid 		? kJ/mol
Standard molar entropy,
Sosolid 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		–196.4 kJ/mol
Standard molar entropy,
Soliquid 		117.3 J/(mol K)
Enthalpy of combustion, ΔcHo –1167 kJ/mol
Heat capacity, cp 96.21 J/(mol K) at 0 °C
89.05 J/(mol K) at 25 °C
Gas properties
Std enthalpy change
of formation, ΔfHogas 		–170.7 kJ/mol
Standard molar entropy,
Sogas 		250.3 J/(mol K)
Heat capacity, cp 55.32 J/(mol K) at 25 °C

Vapor pressure of liquid edit

P in mm Hg 1 10 40 100 400 760
T in °C –81.5 –56.8 –37.8 –22.6 4.9 20.2

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

 
log10 of Acetaldehyde vapor pressure. Uses formula:    obtained from CHERIC[3]

Spectral data edit

UV-Vis
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands[4]
(liquid film)
Wave number transmittance
3432 cm−1 72%
3001 cm−1 66%
2846 cm−1 42%
2733 cm−1 44%
1727 cm−1 4%
1629 cm−1 79%
1429 cm−1 36%
1401 cm−1 41%
1350 cm−1 25%
1179 cm−1 70%
1114 cm−1 29%
945 cm−1 77%
767 cm−1 61%
514 cm−1 35%
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments 		 

References edit

  1. ^ Lange's Handbook of Chemistry, 10th ed. pp. 1661–1663
  2. ^ Lange's Handbook of Chemistry, 10th ed. pp. 1669–1674
  3. ^ a b "Pure Component Properties". Chemical Engineering Research Information Center. from the original on 3 June 2007. Retrieved 27 May 2007.
  4. ^ . Advanced Industrial Science and Technology. Archived from the original (Queriable database) on 5 May 2006. Retrieved 9 June 2007.

Linstrom, Peter (1997). "NIST Standard Reference Database". National Institute of Standards and Technology. doi:10.18434/T4D303. {{cite journal}}: Cite journal requires |journal= (help)

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January 01, 1970
acetaldehyde, data, page, this, page, provides, supplementary, chemical, data, acetaldehyde, contents, material, safety, data, sheet, structure, properties, thermodynamic, properties, vapor, pressure, liquid, spectral, data, referencesmaterial, safety, data, s. This page provides supplementary chemical data on acetaldehyde Contents 1 Material Safety Data Sheet 2 Structure and properties 3 Thermodynamic properties 4 Vapor pressure of liquid 5 Spectral data 6 ReferencesMaterial Safety Data Sheet editThe handling of this chemical may require safety precautions The directions on the Material Safety Datasheet MSDS should be followed SDSdata org indexStructure and properties editStructure and properties Index of refraction nD 1 3392 at 18 C Abbe number Dielectric constant er 21 1 e0 at 21 C Bond strength Bond length Bond angle Magnetic susceptibility Surface tension 1 22 3 dyn cm at 10 C21 2 dyn cm at 20 C17 0 dyn cm at 50 C Viscosity 2 0 2751 mPa s at 0 C0 2521 mPa s at 10 C0 2307 mPa s at 20 CThermodynamic properties editPhase behavior Triple point K C Pa Critical point 3 466 K 183 C 5570 kPa Std enthalpy changeof fusion DfusHo 2 310 kJ mol Std entropy changeof fusion DfusSo 15 43 J mol K Std enthalpy changeof vaporization DvapHo 26 12 kJ mol Std entropy changeof vaporization DvapSo J mol K Solid properties Std enthalpy changeof formation DfHosolid kJ mol Standard molar entropy Sosolid J mol K Heat capacity cp J mol K Liquid properties Std enthalpy changeof formation DfHoliquid 196 4 kJ mol Standard molar entropy Soliquid 117 3 J mol K Enthalpy of combustion DcHo 1167 kJ mol Heat capacity cp 96 21 J mol K at 0 C89 05 J mol K at 25 C Gas properties Std enthalpy changeof formation DfHogas 170 7 kJ mol Standard molar entropy Sogas 250 3 J mol K Heat capacity cp 55 32 J mol K at 25 CVapor pressure of liquid editP in mm Hg 1 10 40 100 400 760 T in C 81 5 56 8 37 8 22 6 4 9 20 2 Table data obtained from CRC Handbook of Chemistry and Physics 44th ed nbsp log10 of Acetaldehyde vapor pressure Uses formula log e P m m H g displaystyle scriptstyle log e P mmHg nbsp log e 760 101 325 18 27131 log e T 273 15 7241 251 T 273 15 130 8048 2 633634 10 5 T 273 15 2 displaystyle scriptstyle log e frac 760 101 325 18 27131 log e T 273 15 frac 7241 251 T 273 15 130 8048 2 633634 times 10 5 T 273 15 2 nbsp obtained from CHERIC 3 Spectral data editUV Vis lmax nm Extinction coefficient e IR Major absorption bands 4 liquid film Wave number transmittance 3432 cm 1 72 3001 cm 1 66 2846 cm 1 42 2733 cm 1 44 1727 cm 1 4 1629 cm 1 79 1429 cm 1 36 1401 cm 1 41 1350 cm 1 25 1179 cm 1 70 1114 cm 1 29 945 cm 1 77 767 cm 1 61 514 cm 1 35 NMR Proton NMR Carbon 13 NMR Other NMR data MS Masses of main fragments References edit Lange s Handbook of Chemistry 10th ed pp 1661 1663 Lange s Handbook of Chemistry 10th ed pp 1669 1674 a b Pure Component Properties Chemical Engineering Research Information Center Archived from the original on 3 June 2007 Retrieved 27 May 2007 Spectral Database for Organic Compounds Advanced Industrial Science and Technology Archived from the original Queriable database on 5 May 2006 Retrieved 9 June 2007 Linstrom Peter 1997 NIST Standard Reference Database National Institute of Standards and Technology doi 10 18434 T4D303 a href Template Cite journal html title Template Cite journal cite journal a Cite journal requires journal help This box viewedit Except where noted otherwise data relate to Standard temperature and pressure Reliability of data general note Retrieved from https en wikipedia org w index php title Acetaldehyde data page amp oldid 1149328924, wikipedia, wiki, book, books, library,

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