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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
06.09.2010 - 25.02.2011
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study, well documentetd

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2011

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
m-terphenyl-2'-ol
EC Number:
219-401-9
EC Name:
m-terphenyl-2'-ol
Cas Number:
2432-11-3
Molecular formula:
C18H14O
IUPAC Name:
1,1':3',1''-terphenyl-2'-ol
Details on test material:
name of test material (as cited in study report): "2,6 Diphenylphenol"
Analytical purity:100% (given by sponsor)

Results and discussion

Vapour pressureopen allclose all
Temp.:
20 °C
Vapour pressure:
< 0 hPa
Temp.:
25 °C
Vapour pressure:
< 0 hPa
Temp.:
50 °C
Vapour pressure:
< 0 hPa

Any other information on results incl. tables

Temperatur              Vapourpressure, p/hPa

t/°C                            cell 4              cell 5

-------------------------------------------------

35.1                        1.47*10 -6 1.29*10 -6

52.0                        2.75*10 -5 2.84*10 -5

70.3                      5.71*11 -4       5.97*10 -4

The regression of the vapour pressure data leads with a mean deviation of 4,41% to the following results:

ln(p/hPa) = 45.57777 - 18217.20 / (T/K)

Applicant's summary and conclusion