Registration Dossier
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EC number: 825-571-0 | CAS number: 60428-79-7
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- July 2009 (REG (EC) No. 440/2008 amended by REG (EC) No. 761/2009)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- March 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- August 1996
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: isothermal thermogravimetry
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- < 1.3 other: 10E(-8) Pa
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- < 7.2 other: 10E(-8) Pa
- Conclusions:
- The vapour pressure of the test item at 20°C (293K) was <1.3 × 10E(-8) Pa and at 25°C (298K) <7.2 × 10E(-8) Pa.
Reference
No reliable vapour pressure could be calculated from the obtained results in the range of 200°C and 230°C due to negligible weight loss. Thus, the weight losses were compared with the results of benzo(ghi)perylene. Since the weight loss of the test item was lower than the weight loss of the reference compound, the vapour pressure of the test item is considered to be lower than that of benzo(ghi)perylene.
Representative weight loss curves for the test item and benzo(ghi)perylene are shown in the attached document "S-600 – Vapour pressure.pdf".
Description of key information
<1.3 × 10E(-8) Pa at 20°C and <7.2 × 10E(-8) Pa at 25°C (EU A.4, OECD 104, OPPTS 830.7950)
Key value for chemical safety assessment
Additional information
Vapour pressure <1.3 × 10E(-8) Pa at the temperature of 20°C and <7.2 × 10E(-8) Pa at the temperature of 25°C
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