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EC number: 609-691-9 | CAS number: 39464-70-5
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 12 March 2018 - 13 April 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- GLP compliance:
- yes
- Type of method:
- effusion method: isothermal thermogravimetry
Test material
- Reference substance name:
- 2-phenoxyethanol; phosphoric acid
- EC Number:
- 609-691-9
- Cas Number:
- 39464-70-5
- Molecular formula:
- (C2-H4-O)mult-C6-H6-O.x-H3-O4-P
- IUPAC Name:
- 2-phenoxyethanol; phosphoric acid
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: M-1025-157
- Expiration date of the lot/batch: October 25, 2018
Results and discussion
Vapour pressure
- Key result
- Temp.:
- ca. 20 °C
- Vapour pressure:
- 0 Pa
Any other information on results incl. tables
Remark:The relevant (≥ 1 μg/min) and reproducible weight loss was ob-served above 160 °C. Because of the non-GLP pre-tests, the main test was done between 160 °C and 220 °C.
Measurement:The test item was added to the glass plate. The plate was placed in the TGA instrument. The weight loss of the test item was measured continuously as a function of time at different temperatures at con-stant nitrogen flow.
Start temperature: 160 °C
Temperature increase: 10 °C with a ramp of 10 °C/min
Isothermal interval: 5 min
End temperature: 220 °C
The isothermal thermogravimetric effusion method was applied for the determination of the vapour pressure of Ethoxylated phenol phosphate. A value of the vapour pressure of the test item was determined using the data obtained between 160 °C and 220 °C. The vapour pressure of the test item was calculated (mean of three determinations) to: 1.03 x 10-5 Pa at 20 °C.
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the test item at 20 °C was determined to be 1.03 x 10-5 Pa at 20 °C. using the Q50 thermogravimetric analyser (TGA). The test was performed according to European Community (EC), EC No. 761/2009, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.4: “Vapour Pressure”, Official Journal of the European Union No. L220, August 24, 2009.
- Executive summary:
The vapour pressure of the test item at 20 °C was determined to be 1.03 x 10-5 Pa at 20 °C. using the Q50 thermogravimetric analyser (TGA). The test was performed according to European Community (EC), EC No. 761/2009, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.4: “Vapour Pressure”, Official Journal of the European Union No. L220, August 24, 2009.
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