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Diss Factsheets

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Thermodynamic properties of organic oxygen compounds. XXV. Vapour pressures and normal boiling temperatures of aliphatic alcohols.
Author:
Ambrose D, Sprake CHS
Year:
1968
Bibliographic source:
J Chem Thermodynam, 2, 631-45

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Two boilers (reference plus test substance) are connected by a  common pressure line.  Platinum resistance thermometers are used to  measure the temperature using a Mueller bridge.
GLP compliance:
not specified
Type of method:
effusion method: isothermal thermogravimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethanol
EC Number:
200-578-6
EC Name:
Ethanol
Cas Number:
64-17-5
Molecular formula:
C2H6O
IUPAC Name:
ethanol
Specific details on test material used for the study:
Samples purified before use, including drying in vapour phase. Fraction molarity purity 0.9995

Results and discussion

Vapour pressure
Key result
Temp.:
19.6 °C
Vapour pressure:
57.3 Pa

Applicant's summary and conclusion

Conclusions:
Multiple measurements of vapour pressure at temperatures between approximately 20C and 93C (i.e. above the boiling point).
Executive summary:

Multiple measurements of vapour pressure at temperatures between approximately 20C and 93C (i.e. above the boiling point).