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EC number: - | CAS number: -
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 03 October 2017 - 13 October 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- 2009
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- effusion method: isothermal thermogravimetry
Test material
- Test material form:
- solid: particulate/powder
- Details on test material:
- - Physical appearance: white powder with lumps
- Test item storage: at room temperature protected from light
Constituent 1
- Specific details on test material used for the study:
- reaction and/or decomposition was observed at temparatures > 225°C
Results and discussion
Vapour pressureopen allclose all
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- < 0 Pa
- Remarks on result:
- other: based on comparison with vapour pressure of reference substance benzo[ghi]perylene
- Temp.:
- 25 °C
- Vapour pressure:
- < 0 Pa
- Remarks on result:
- other: based on comparison with vapour pressure of reference substance benzo[ghi]perylene
Any other information on results incl. tables
During all analyses in the range of benzo[ghi]perylene (210°C - 230°C) the weight loss of the test item was lower than the weight loss of reference substance benzo[ghi]perylene.
Based on this, the vapour pressure of the test item is reported to be below the vapour pressure of this reference substance, i.e. at 20°C < 1.3x10 -8 Pa and at 25°C <7.2x10 -8 Pa.
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the substance at 20°C was determined to be <1.3E-8 Pa.
The vapour pressure of the substance at 25°C was determined to be <7.2E-8 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.
Since the weight losses of the test item at 210°C, 220°C and 230°C were lower than the weight losses of reference substance benzo[ghi]perylene at the same temperatures, it was concluded that vapour pressure of the substance at 20°C (25°C) is lower than the vapour pressure of benzo[ghi]perylene at 20°C (25°C), i.e. <1.3E-8 Pa (<7.2E-8 Pa) .
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