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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

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