Registration Dossier
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EC number: 947-596-7 | CAS number: -
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 09.11. – 10.11.2017
- 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:
- 1.5.6. Effusion method: isothermal thermogravimetry, Commission Regulation (EC) No 761/2009 Anex 1, Published in O.J. L 220, 2009
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: isothermal thermogravimetry
- Specific details on test material used for the study:
- .
- Key result
- Remarks on result:
- not determinable
- Remarks:
- Vapour pressure of test substance, Pigment Yellow 4, could not be determined under test conditions. At temperature range from 110 to 140 °C, the losses of weight recorded during measurements were too low and fluctuating. The higher temperature could not be used owing to melting of test substance followed by thermal decomposition.
- Key result
- Transition / decomposition:
- yes
- Remarks:
- the losses of weight recorded during measurements were too low and fluctuating
- Transition temp.:
- > 110 - < 140 °C
- Remarks on result:
- not determinable
- Conclusions:
- Vapour pressure of test substance, Pigment Yellow 4, could not be determined under test conditions. At temperature range from 110 to 140 °C, the losses of weight recorded during measurements were too low and fluctuating. The higher temperature could not be used owing to melting of test substance followed by thermal decomposition.
- Executive summary:
The vapour pressure of the test substance, Pigment Yellow 4, was investigated. The isothermal thermogravimetry effusion method was used.
The procedures used in the study were in accordance with:
- Method A.4 Vapour Pressure, 1.5.6. Effusion method: isothermal thermogravimetry, Commission Regulation (EC) No 761/2009 Anex 1, Published in O.J. L 220, 2009
- OECD Test Guideline No.104, page 9 Effusion method: isothermal thermogravimetry, Adopted on 23 March 2006
Vapour pressure of test substance, Pigment Yellow 4, could not be determined under test conditions. At temperature range from 110 to 140 °C, the losses of weight recorded during measurements were too low and fluctuating.
The higher temperature could not be used owing to melting of test substance followed by thermal decomposition.
Reference
The preliminary test was performed to evaluate the suitable conditions for measurement of vapour pressure.
During the second part of study, the losses of weight at temperature range from 110 to 140 °C were measured and evaluated. No significant losses of weight were recorded. The higher temperature could not be used owing to melting of test substance followed by thermal degradation. The thermal stability of test substance stated by client in Test Substance Data Sheet is 140 °C.
Description of key information
Vapour pressure of test substance, Pigment Yellow 4, could not be determined under test conditions. At temperature range from 110 to 140 °C, the losses of weight recorded during measurements were too low and fluctuating.
The higher temperature could not be used owing to melting of test substance followed by thermal decomposition.
Key value for chemical safety assessment
Additional information
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