Registration Dossier
Registration Dossier
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EC number: 947-663-0 | CAS number: -
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:
- 2017-2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 39.6 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension at nominally 1 g/L of test item in water has been determined to be 39.6 mN/m at 20.7 ±0.5 °C. The test item was considered to be surface-active.
- Executive summary:
The determination of the surface tension of the test item was carried out by a ring method, using a procedure designed to be compatible with Method A.5 Surface Tension of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 115 of the OECD Guidelines for the Testing of Chemicals, 27 July 1995.
The surface tension at nominally 1 g/L of test item in water has been determined to be 39.6 mN/m at 20.7 ±0.5 °C. The test item was considered 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 (min) |
Reading (mN/m) |
Temperature (°C) |
69 |
39.5 |
20.6 |
78 |
39.5 |
20.6 |
88 |
40.0 |
20.6 |
112 |
39.5 |
20.6 |
129 |
39.5 |
20.6 |
Sample 2
Age of Solution (min) |
Reading (mN/m) |
Temperature (°C) |
151 |
39.5 |
20.6 |
163 |
39.5 |
20.8 |
174 |
39.5 |
20.8 |
185 |
39.5 |
21.0 |
210 |
39.5 |
21.0 |
Mean Sample 1 result : |
39.6 mN/m |
pH of Sample 1: |
7.01 |
Mean Sample 2 result : |
39.5 mN/m |
pH of Sample 2 : |
7.02 |
Mean result |
39.6 mN/m |
|
|
Overall temperature |
20.7 ±0.5 ºC |
|
|
Description of key information
The surface tension at nominally 1 g/L of test item in water has been determined to be 39.6 mN/m at 20.7 ±0.5 °C. The test item was considered to be surface-active
Key value for chemical safety assessment
- Surface tension:
- 39.6
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
