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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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).