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Physical & Chemical properties

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report Date:
2016

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
yes (incl. certificate)
Type of method:
effusion method: by loss of weight or by trapping vaporisate

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
other: liquid
Details on test material:
Name of test material (as cited in study report): 3, 7, 11-trimethyldodecyn-3-ol
Analytical purity: 99.8 g/100 g; determined with quantitative 1 H-NMR spectroscopy in the GLP-study no. 15L00273 from Competence Center Ana­lytics, BASF SE, 0-67056 Ludwigshafen.
Lot/batch No.: 40637247GO
Expiration date of the lot/batch: Sep 30, 2011
Storage condition of test material: ambient temperature

Results and discussion

Vapour pressureopen allclose all
Temp.:
25 °C
Vapour pressure:
0.002 hPa
Remarks on result:
other: extrapolated
Temp.:
25 °C
Vapour pressure:
0.004 hPa
Remarks on result:
other: interpolated
Temp.:
50 °C
Vapour pressure:
0.045 hPa
Remarks on result:
other: interpolated

Any other information on results incl. tables

The vapor pressure of the following table were calculated from the regression equation.

Temperature, t/°C

Vapour pressure, p/hPa

20 a)

0.00225

25 b)

0.00393

50 b)

0.0452

a) extrapolated b) interpolated

Applicant's summary and conclusion