Registration Dossier
Registration Dossier
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EC number: 216-388-1 | CAS number: 1571-33-1
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 October 2017 to 26 October 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
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- Phenylphosphonic acid
- EC Number:
- 216-388-1
- EC Name:
- Phenylphosphonic acid
- Cas Number:
- 1571-33-1
- Molecular formula:
- C6H7O3P
- IUPAC Name:
- phenylphosphonic acid
- Test material form:
- solid: particulate/powder
- Details on test material:
- Lot number LKF6065
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Sponsor and LKF6065
- Expiration date of the lot/batch: 09 December 2017
- Purity test date: 21 October 2016
Results and discussion
Surface tension
- Key result
- Surface tension:
- 71.2 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Remarks on result:
- other:
- Remarks:
- mean multiplied by Φb and Harkins-Jordan corrected value
Any other information on results incl. tables
The results of the test on the determination of the surface tension of the test solution are given below:
Measurement |
Time passed after transfer test solution to test vessel |
Surface tension |
||
individual |
mean |
mean multiplied by |
||
1 |
15 |
69.8 |
69.8 |
71.2 |
2 |
16 |
69.5 |
|
|
3 |
17 |
69.7 |
|
|
4 |
18 |
69.8 |
|
|
5 |
19 |
70.0 |
|
|
Applicant's summary and conclusion
- Conclusions:
- The OECD harmonized ring method was applied for the determination of the surface tension of Phenyl Phosphonic Acid.
The surface tension of a test solution at a concentration of 1 g/L at 20°C was 71.2 mN/m. According to this, the test item is considered not to be surface active.
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