Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2008
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: guidance followed, no GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
GLP compliance:
no
Type of method:
static method

Test material

Constituent 1
Chemical structure
Reference substance name:
Distillates (coal tar), upper, fluorene-rich
EC Number:
284-900-0
EC Name:
Distillates (coal tar), upper, fluorene-rich
Cas Number:
84989-11-7
Molecular formula:
not applicable for UVCB
IUPAC Name:
1,2-dihydroacenaphthylene; 8-oxatricyclo[7.4.0.0²,⁷]trideca-1(9),2,4,6,10,12-hexaene; 9H-fluorene

Results and discussion

Vapour pressureopen allclose all
Temp.:
ca. 115 °C
Vapour pressure:
ca. 950 Pa
Temp.:
ca. 20 °C
Vapour pressure:
ca. 6.1 Pa
Remarks on result:
other: estimation based on VP on liquid, substance isin solid state at 20°C
Transition / decomposition
Transition / decomposition:
yes
Transition temp.:
ca. 48.1 °C

Any other information on results incl. tables

Linear equation: log p = -2594.5*(1/T)+9.633

Scope: from 115 to 285 °C

Nature of the change during measuring: none

Nature of the change for estimate: transition liquid-solid

Temperature of transition: 48.1 °C

Applicant's summary and conclusion

Conclusions:
The real value of solid state will be significantly lower, mentioned value could be taken as worst case