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Registration Dossier
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EC number: 500-069-1 | CAS number: 30374-35-7 1 - 4.8 moles ethoxylated and 1 - 8.5 moles propoxylated
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 4 June 2010 - 9 June 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study specifically commissioned for this purpose nand carried out to GLP in accordance with standard guideline in 2010
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- Remarks:
- Due to the viscous nature of the test material, it was very difficult to degass sample at ambient temperature. As a result , sample was evacuated at 35 Deg C and initial set temperature set to about 54 Deg C.
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- static method
Test material
- Reference substance name:
- Pentaerythritol, ethoxylated and propoxylated
- EC Number:
- 500-069-1
- EC Name:
- Pentaerythritol, ethoxylated and propoxylated
- Cas Number:
- 30374-35-7
- Molecular formula:
- Not available - oligomeric material
- IUPAC Name:
- Pentaerythritol, ethoxylated and propoxylated
- Test material form:
- liquid: viscous
- Details on test material:
- Test Substance Name ATLAS G-1754X1
Lot Number 2602H22070
Description Clear liquid
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- ca. 20 °C
- Vapour pressure:
- ca. 55 Pa
- Temp.:
- ca. 45 °C
- Vapour pressure:
- ca. 199 Pa
- Temp.:
- ca. 60 °C
- Vapour pressure:
- ca. 391 Pa
Any other information on results incl. tables
| Temp/ °C | Temp/ K | P/mbar | **P/Pa |
| Run 1 | |||
| *20 | 293.15 | 1 | 58 |
| *45 | 318.15 | 2 | 199 |
| 54.3 | 327.45 | 3 | 300 |
| *60 | 333.15 | 4 | 382 |
| 75.6 | 348.75 | 7 | 700 |
| 86.5 | 359.65 | 11 | 1100 |
| 104.4 | 377.55 | 19 | 1900 |
| 130.4 | 403.55 | 43 | 4300 |
| Run 2 | |||
| *20 | 293.15 | 1 | 52 |
| *45 | 318.15 | 2 | 198 |
| 52.8 | 325.95 | 3 | 300 |
| 60.7 | 333.85 | 4 | 400 |
| 80.9 | 354.05 | 9 | 900 |
| 92.7 | 365.85 | 16 | 1600 |
* - Determined by extrapolation
** - Calculated
Applicant's summary and conclusion
- Conclusions:
- The material is of low volatility.
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