Registration Dossier
Registration Dossier
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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:
- from 08 May 2017 to 11 May 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:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- 2009
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- 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
- Reference substance name:
- 1,3,5-tris(5-isocyanatopentyl)-1,3,5-triazinane-2,4,6-trione
- Cas Number:
- 119934-71-3
- Molecular formula:
- C21 H30 N6 O6
- IUPAC Name:
- 1,3,5-tris(5-isocyanatopentyl)-1,3,5-triazinane-2,4,6-trione
- Reference substance name:
- 1-{5-[3,5-bis(5-isocyanatopentyl)-2,4,6-trioxo-1,3,5-triazinan-1-yl]pentyl}-3,5-bis(5-isocyanatopentyl)-1,3,5-triazinane-2,4,6-trione
- Molecular formula:
- C35 H50 N10 O10
- IUPAC Name:
- 1-{5-[3,5-bis(5-isocyanatopentyl)-2,4,6-trioxo-1,3,5-triazinan-1-yl]pentyl}-3,5-bis(5-isocyanatopentyl)-1,3,5-triazinane-2,4,6-trione
- Test material form:
- liquid: viscous
- Details on test material:
- Appearance: Colourless or light yellow viscous liquid
Test item storage: At room temperature container flushed with nitrogen
Constituent 1
Constituent 2
- Specific details on test material used for the study:
- reaction and/or decomposition at > 225°C
Results and discussion
Vapour pressureopen allclose all
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- < 0 Pa
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- < 0 Pa
Any other information on results incl. tables
The log PT versus 1/T curve for the substance over the range 160-190°C showed poor linearity (correlation coefficient r < 0.99). Extrapolation of the curve to 20°C or 25°C would not give reliable results for the vapour pressure of the substance at these temperatures.
Since the weight losses of the test item at 160°C, 170°C, 180°C and 190°C were lower than the weight losses of reference substance chrysene at the same temperatures, it was concluded that the vapour pressure of the substance at 20°C (25°C) is lower than the vapour pressure of chrysene at 20°C (25°C).
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the substance at 20°C was determined to be < 8.4E-07 Pa.
The vapour pressure of the substance at 25°C was determined to be < 1.1E-06 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. From the measured weight losses in the temperature range 160°C -190°C the vapour pressure of the substance was determined to be lower than the vapour pressure of reference substance chrysene. The vapour pressure of the substance at 20°C and 25°C was therefore concluded to be < 8.4E-07 Pa and < 1.1E-06 Pa, resp.
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