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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Prediction model
Title:
Vapour pressure by EPI (Estimation Programs Interface) Suite
Author:
Sustainability Support Service (Europe) AB - estimated
Year:
2011
Bibliographic source:
Estimation Programs Interface Suite™ United States Environmental Protection Agency, Washington, DC, USA. version 4.1

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Modified Grain Method
GLP compliance:
no
Type of method:
other: Estimated data

Test material

Constituent 1
Chemical structure
Reference substance name:
2-nitro-p-anisidine
EC Number:
202-547-2
EC Name:
2-nitro-p-anisidine
Cas Number:
96-96-8
Molecular formula:
C7H8N2O3
IUPAC Name:
4-methoxy-2-nitroaniline

Results and discussion

Vapour pressureopen allclose all
Temp.:
25 °C
Vapour pressure:
0 mm Hg
Remarks on result:
other: Modified Grain Method
Temp.:
25 °C
Vapour pressure:
0.022 Pa
Remarks on result:
other: Modified Grain Method

Applicant's summary and conclusion

Executive summary:

The vapour pressure of the substance as per Modified Grain Method is estimated to be:

1) 0.000164 mm Hg at 25°C

2) 0.0219 Pa at 25°C