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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
review article or handbook
Title:
No information
Year:
2011
Bibliographic source:
SciFinder, American Chemical Society (ACS); ACD 11.02

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Data is taken from Scifinder.

Test material

Constituent 1
Chemical structure
Reference substance name:
4-nitro-o-xylene
EC Number:
202-761-6
EC Name:
4-nitro-o-xylene
Cas Number:
99-51-4
Molecular formula:
C8H9NO2
IUPAC Name:
4-nitro-o-xylene
Details on test material:
Substance Name : 4-nitro-o-xylene
Molecular Formula : C8H9NO2
Physical state : Liquid

Results and discussion

Vapour pressure
Temp.:
25 °C
Vapour pressure:
21.73 Pa

Applicant's summary and conclusion

Conclusions:
Vapour pressure of 4-nitro-o-xylene is 21.73 Pa at 25 deg C.
Executive summary:

The vapour pressure of a substance is defined as the saturation pressure above a solid or liquid substance. It is a measure of the tendency of a material to vapourise. The higher the vapour pressure the greater the potential.

Thus, in this case vapour pressure of 4-nitro-o-xylene is 21.73 Pa at 25 deg C.