Registration Dossier
Registration Dossier
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EC number: 811-484-5 | CAS number: 680972-33-2
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2015-05-07 to 2015-08-14
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Modern study conducted to GLP standards and an approved EU study guideline.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
Test material
- Reference substance name:
- Ammonium 4-isopropylbenzenesulfonate
- EC Number:
- 811-484-5
- Cas Number:
- 680972-33-2
- Molecular formula:
- C9H15NO3S
- IUPAC Name:
- Ammonium 4-isopropylbenzenesulfonate
- Test material form:
- solid: particulate/powder
- Details on test material:
- - Name of test material (as cited in study report): Ammonium Cumene Sulphonate
- Physical state: White powder
- Analytical purity: 60-100%
- Lot/batch No.: MIW0031014
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 60.4 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
Full test results
| Solution Age (minutes) | Surface Tension Reading (mN/m) |
| Run 1 | |
| 0 | 69.4 |
| 5 | 63.5 |
| 10 | 62.5 |
| 20 | 61.8 |
| 40 | 60.1 |
| 60 | 61.3 |
| 120 | 60.6 |
| 180 | 60.7 |
| 240 | 60.6 |
| Run 2 | |
| 0 | 70.0 |
| 10 | 62.6 |
| 60 | 61.5 |
| 120 | 59.8 |
| 180 | 60.1 |
| 240 | 60.1 |
Applicant's summary and conclusion
- Conclusions:
- The surface tension is 60.4 mN/m.
- Executive summary:
The surface tension has been determined using a ring method in line with EU method A.5. The surface tension is found to be 60.4 mN/m.
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