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EC number: 915-671-3 | 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:
- 2008-06-10 to 2008-12-02
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Food and Consumer Product Safety Authority (VWA), Den Haag, The Netherlands
- Type of method:
- effusion method: isothermal thermogravimetry
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 1.76 Pa
- Remarks on result:
- other: this vapour pressure is most likely caused by a volatile component of the test substance whereas the bulk material is not expected to have a measurable vapour pressure.
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.013 mm Hg
- Remarks on result:
- other: this vapour pressure is most likely caused by a volatile component of the test substance whereas the bulk material is not expected to have a measurable vapour pressure.
- Conclusions:
- A vapour pressure at 20 °C of 1.76 Pa was determined for the tested substance (OECD Guideline 104, effusion method: isothermal thermogravimetry).
This vapour pressure is most likely caused by a volatile component of the test substance whereas the bulk material is not expected to have a measurable vapour pressure.
Reference
Results of the TGA analysis
Temperature: 25 °C
Weight loss (µg/min): 1.837; 1.096
νT (g/cm²/h): 2.19E-4; 1.31E-4
log νT: -3.66; -3.88
Temperature: 30 °C
Weight loss (µg/min): 2.697; 1.958
νT (g/cm²/h): 3.22E-4; 2.34E-4
log νT: -3.49; -3.63
Temperature: 35 °C
Weight loss (µg/min): 3.832; 3.252
νT (g/cm²/h): 4.57E-4; 3.88E-4
log νT: -3.34; -3.41
Temperature: 40 °C
Weight loss (µg/min): 5.341; 5.399
νT (g/cm²/h): 6.38E-4; 6.44E-4
log νT: -3.20; -3.19
Description of key information
Vapour pressure at 20 °C = 1.76 Pa (OECD Guideline 104, effusion method: isothermal thermogravimetry).
Key value for chemical safety assessment
- Vapour pressure:
- 1.76 Pa
- at the temperature of:
- 20 °C
Additional information
The measured vapour pressure was most likely caused by a volatile component of the test substance whereas the bulk material is not expected to have a measurable vapour pressure.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
