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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
27 Sep 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report date:
2006

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
not specified
GLP compliance:
yes (incl. QA statement)
Remarks:
Department of Health of the Government of the United Kingdom, Date of Inspection 12Apr2005
Type of method:
effusion method: vapour pressure balance

Test material

Results and discussion

Vapour pressureopen allclose all
Test no.:
#1
Temp.:
25 °C
Vapour pressure:
0 Pa
Test no.:
#2
Temp.:
25 °C
Vapour pressure:
0 Pa

Any other information on results incl. tables

Results

A summary is shown below:

 

Run 1

Run 2

Correlation coefficient

-0.9996

-0.9990

Slope

-4611

-4137

Intercept

11.81

10.32

Vp (Pa) at 25 deg. C

2.2E-04

2.8E-04

Run 1 (vapour pressure) at 25 °C:       2.2E-4 Pa

Run 2 (vapour pressure) at 25 °C:       2.8E-4 Pa

The two runs give a mean vapour pressure value at 25 °C of 2.5E-4 Pa.

Conclusion

The vapour pressure of 2MA-OK was determined to be 2.5E-4 Pa at 25 °C.

Applicant's summary and conclusion