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Diss Factsheets

Physical & Chemical properties

Vapour pressure

Currently viewing:

Administrative data

Endpoint:
vapour pressure
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well documented publication which meets basic scientific principles

Data source

Referenceopen allclose all

Reference Type:
other: EU Risk Assessment
Title:
European Union Risk Assessment Report 1,3-BUTADIENE, CAS No: 106-99-0, EINECS No:203-450-8
Author:
[ECB] European Chemicals Bureau
Year:
2002
Bibliographic source:
published; It can be accessed through the Europa Server (http://europa.eu.int).
Reference Type:
review article or handbook
Title:
Unnamed
Year:
1988
Reference Type:
review article or handbook
Title:
No information
Author:
Boublik T et al
Year:
1984
Bibliographic source:
The vapour pressures of pure substances. Volume 17. Elsevier Science Publications, Amsterdam, The Nederlands.
Reference Type:
publication
Title:
Action of radon on some unsaturated hydrocarbons. III vinyl acetylene and butadiene.
Author:
Heisig GB
Year:
1933
Bibliographic source:
J Am Chem Soc. 55; 2304.

Materials and methods

Principles of method if other than guideline:
EU Risk Assessment on the major component of C4 Hydrocarbons: 1,3-Butadiene
GLP compliance:
not specified
Type of method:
other: EU Risk Assessment Report

Test material

Constituent 1
Chemical structure
Reference substance name:
Buta-1,3-diene
EC Number:
203-450-8
EC Name:
Buta-1,3-diene
Cas Number:
106-99-0
Molecular formula:
C4H6
IUPAC Name:
buta-1,3-diene
Details on test material:
- Name of test material (as cited in study report): 1,3-butadiene
- CAS number: 106-99-0
- EINECS number: 203-450-8

Results and discussion

Vapour pressureopen allclose all
Temp.:
ca. 21 °C
Vapour pressure:
ca. 2 447 hPa
Temp.:
ca. 20 °C
Vapour pressure:
ca. 2 400 hPa
Temp.:
ca. -1.5 °C
Vapour pressure:
ca. 1 141 hPa
Transition / decomposition
Transition / decomposition:
no

Any other information on results incl. tables

EU Risk Assessment on the major component of C4 Hydrocarbons: 1,3-Butadiene:

Values of 244.7kPa at 21°C and 240.0kPa at 20°C are quoted in the consolidated IUCLID entry. They are quoted from the CRC Handbook (1988), which cites the DIPPR, American Institute of Chemical Ingineers (1987). The value of 856 mm Hg at -1.5°C (114.1kPa) is reported from Boublik et al, 1984 which cites after Heisig (1933).

Applicant's summary and conclusion

Executive summary:

Vapour pressure of the major component of C4 Hydrocarbons: 1,3 -butadiene was reported in EU Risk Assessment Report (2002) as 2447hPa at 21°C and 2400hPa at 20°C and 856 mm Hg at -1.5°C (1141hPa) according to different literature sources.