Registration Dossier

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 11 February 2016 to 13 June 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

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

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
EU Method A.4 (Vapour Pressure)
Version / remarks:
2009
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
2006
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Version / remarks:
1996
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
effusion method: isothermal thermogravimetry

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid
Details on test material:
- Appearance: Brown coloured, brittle solid
- Storage condition of test material: At room temperature
- Chemical name: Zinc modified rosinate, hydrogenated zinc rosinate
- CAS No.: 68425-02-5
Specific details on test material used for the study:
Glass transition range: 81 - 88°C

Results and discussion

Vapour pressureopen allclose all
Key result
Temp.:
25 °C
Vapour pressure:
< 12 Pa
Key result
Temp.:
20 °C
Vapour pressure:
< 7.6 Pa

Any other information on results incl. tables

Below glass transition, the test item showed weight losses smaller than those of the reference substance Naphthalene. From this it was concluded that vapour pressure of the substance at 20°C (25°C) is lower than the vapour pressure of Naphthalene at 20°C (25°C). Vapour pressures at 25°C and 20°C are determined to be <12 Pa and < 7.6 Pa, resp.

Above glass transition, the test item showed weight losses smaller than those of the reference substance Chrysene. From this it was concluded that vapour pressure of the substance at 20°C (25°C) is lower than the vapour pressure of Chrysene at 20°C (25°C). Vapour pressures at 25°C and 20°C are determined to be < 2.0E-06 Pa and < 8.4E-07 Pa, resp.

KEY RESULT

As the temperatures 20 and 25°C are both below the glass transition of the substance, the resuls obtained from the measurements below glass transition were considered most representative for the vapour pressure of the substance at 20°C or 25°C.


Applicant's summary and conclusion

Conclusions:
The vapour pressure at 25°C was determined to be < 12 Pa. The vapour pressure at 20°C was determined to be < 7.6 Pa.
Executive summary:

The vapour pressure of the substance was determined using the isothermal thermogravimetric effusion method in a GLP study according to EC A.4, OECD 104 and OPPTS 830.7950. The vapour pressure at 25°C was determined to be < 12 Pa. The vapour pressure at 20°C was determined to be < 7.6 Pa.