Registration Dossier
Registration Dossier
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EC number: 255-615-9 | CAS number: 41999-70-6
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017-11-10 to 2018-03-20
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Specific details on test material used for the study:
- - Batch No.of test material: PFW110370
- Purity: 99.1%
- Expiration date of the lot/batch: 31 December 2018
- Storage conditions: Room temperature, in the dark - Key result
- Surface tension:
- 72.2 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The mean surface tension of a duplicate solutions prepared at nominally 1 g/L of test item in water has been determined to be 72.2 mN/m at 20.0 ± 0.5 °C. The test item was considered not to be surface-active.
Reference
The readings, times and temperatures for the sample solutions are shown in the following tables:
Sample 1
Age of Solution (mins) |
Reading (mN/m) |
Temperature (°C) |
134 |
72.0 |
20.0 |
146 |
72.0 |
20.0 |
162 |
72.5 |
20.0 |
177 |
72.5 |
20.0 |
189 |
72.5 |
20.0 |
Sample 2
Age of Solution (mins) |
Reading (mN/m) |
Temperature (°C) |
174 |
72.0 |
20.0 |
198 |
72.5 |
20.0 |
214 |
72.0 |
20.0 |
231 |
72.0 |
20.0 |
247 |
72.0 |
20.0 |
pH of Sample 1 : |
9.6 |
pH of Sample 2 : |
9.5 |
Mean Sample 1 result: |
72.3 mN/m |
Mean Sample 2 result: |
72.1 mN/m |
Mean result: |
72.2 mN/m |
Overall result: |
72.0 to 72.5 mN/m |
Overall temperature: |
20.0 ± 0.5 ºC |
Description of key information
The surface tension of the substance was determined in a GLP study according to test method EC A.5 and OECD guideline 115 to be 72.2 mN/m at 20.0 ± 0.5 °C following the ring method (K1 study, Envigo, 2018).
Key value for chemical safety assessment
- Surface tension:
- 72.2
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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