Registration Dossier
Registration Dossier
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EC number: 296-866-4 | CAS number: 93164-85-3
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 8/3/2010-23/4/2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to the OECD Guideline and it is GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: isothermal thermogravimetric effusion method
Test material
- Reference substance name:
- Amines, C20-22-alkyldimethyl
- EC Number:
- 296-866-4
- EC Name:
- Amines, C20-22-alkyldimethyl
- Cas Number:
- 93164-85-3
- Molecular formula:
- CnH2nN(CH3)2 n: from 18 to 22
- IUPAC Name:
- Amines, C20-22-alkyldimethyl
- Details on test material:
- - Physical state: white solid
- Storage: at room temperature in the dark under nitrogen
- Stability under storage conditions: stable
Constituent 1
Results and discussion
Vapour pressure
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
Transition / decomposition
- Transition / decomposition:
- ambiguous
Any other information on results incl. tables
| Temperature (ºC) | Weight loss (µg/min) | VT (g/cm^2/h) | log VT |
| 130 | 8.633 | 1.03x10^-3 | -2.99 |
| 6.640 | 7.93x10^-4 | -3.10 | |
| 140 | 15.42 | 1.84x10^-3 | -2.74 |
| 13.03 | 1.56x10^-3 | -2.81 | |
| 150 | 27.53 | 3.29x^10 -3 | -2.48 |
| 24.81 | 2.96x10^-3 | -2.53 | |
| 160 | 49.05 | 5.85x10^-3 | -2.23 |
| 45.53 | 5.43x10^-3 | -2.26 |
Applicant's summary and conclusion
- Conclusions:
- The isothermal thermogravimetric effusion method was chosen for the determination of the vapours pressure of the substance. The vapour pressure of the test substance was <= 4.92x10^-4 Pa =< 3.69x10^6 mmHg
- Executive summary:
According to the OECD104. The isothermal thermogravimetric effusion method was chosen for the determination of the vapours pressure of the substance. The vapour pressure of the test substance was 0.000492 Pa
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