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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study (OECD TG 104) with GLP standard.

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2005

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
yes
Type of method:
gas saturation method

Test material

Constituent 1
Chemical structure
Reference substance name:
Maleic anhydride
EC Number:
203-571-6
EC Name:
Maleic anhydride
Cas Number:
108-31-6
Molecular formula:
C4H2O3
IUPAC Name:
furan-2,5-dione
Details on test material:
Purity 98.2%

Results and discussion

Vapour pressureopen allclose all
Temp.:
22 °C
Vapour pressure:
15.1 Pa
Temp.:
30 °C
Vapour pressure:
37.7 Pa
Temp.:
40 °C
Vapour pressure:
108 Pa

Applicant's summary and conclusion

Conclusions:
Vapor pressure is 15 Pa at ambient.