Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
2010
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: calculation
Deviations:
not applicable
Principles of method if other than guideline:
The vapour pressure measurement with the vapour pressure balance and the dynamic method was not possible therefore the vapour pressure was calculated in the temperature range of 120 °C to 250 °C.
GLP compliance:
not specified
Type of method:
other: calculation

Test material

Constituent 1
Chemical structure
Reference substance name:
o-phenylenediamine
EC Number:
202-430-6
EC Name:
o-phenylenediamine
Cas Number:
95-54-5
Molecular formula:
C6H8N2
IUPAC Name:
benzene-1,2-diamine

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
0.71 Pa
Temp.:
25 °C
Vapour pressure:
1.2 Pa
Temp.:
50 °C
Vapour pressure:
11 Pa

Applicant's summary and conclusion

Executive summary:

The calculated vapour pressure of the substance is 1.2 Pa at 25°C