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EC number: 865-653-3 | CAS number: 855737-35-8
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:
- May - July, 2018
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- yes
- Remarks:
- See section "Any other information on materials and methods incl. tables"
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- 2008
- Deviations:
- yes
- Remarks:
- See section "Any other information on materials and methods incl. tables"
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Deviations:
- yes
- Remarks:
- See section "Any other information on materials and methods incl. tables"
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- gas saturation method
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: Average of three sampling time-points
- Conclusions:
- The vapour pressure at 20°C was calculated from the average headspace concentrations at saturation using equation.
The result was 0.0003 Pa.
Therefore:
Vapour pressure of GR-87-7596: 0.0003 Pa at 20°C - Executive summary:
The vapour pressure of the test material GR-87-7596 has been determined to be 0.0003 Pa at 20°C using the Gas saturation method according to OECD Guideline No. 104.
Therefore:
Vapour pressure of GR-87-7596: 0.0003 Pa at 20°C
Reference
Headspace samples were sampled after 24 h, 30 h, 48 h, 51 h and 54 h. The samples 24h (~0.000022 g/m3) and 30 h (~0.000034 g/m3) were found not to be at saturation yet.
The headspace vapour concentration of GR-87-7596 reached saturation after an equilibration time of 48 h. The results of the samples drawn after 48h, 51h and 54 h are exposed in the table below:
| Equilibration time (h) | Headspace concentration (g/m3) |
| 48 | 0.000038 |
| 51 | 0.000038 |
| 54 | 0.000037 |
| Average | 0.00004 |
Description of key information
The vapour pressure of the test material GR-87-7596 has been determined to be 0.0003 Pa at 20°C using the Gas saturation method according to OECD Guideline No. 104.
Therefore:
Vapour pressure of GR-87-7596: 0.0003 Pa at 20°C
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 20 °C
Additional information
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.
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