Registration Dossier
Registration Dossier
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EC number: 947-480-6 | 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:
- 14 June 2016 to 04 October 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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:
- ring method
- Key result
- Surface tension:
- 48.1 mN/m
- Temp.:
- 21.5 °C
- Conc.:
- 90 other: % saturation
- Remarks on result:
- other: pH 3.5
- Conclusions:
- The surface tension of solutions prepared at nominally 1.1 g/L of test item in water and diluted to 90 % saturation was determined to be 48.1 mN/m at 21.5 ± 0.5 °C and the substance was considered to be surface-active.
- Executive summary:
GUIDLELINE
The determination 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.
RESULTS
The surface tension of solutions prepared at nominally 1.1 g/L of test item in water and diluted to 90 % saturation was determined to be 48.1 mN/m at 21.5 ± 0.5 °C and the substance was considered to be surface-active.
Reference
TABLE 6 – READINGS, TIMES AND TEMPERATURES FOR SAMPLE 1
Age of solution (min) |
Reading (mN/m) |
Temperature (°C) |
115 |
48.5 |
21.8 |
123 |
48.5 |
21.8 |
142 |
48.5 |
21.8 |
151 |
48.5 |
21.8 |
160 |
48.5 |
21.8 |
TABLE 7 – READINGS, TIMES AND TEMPERATURES FOR SAMPLE 2
Age of solution (min) |
Reading (mN/m) |
Temperature (°C) |
230 |
48.0 |
21.4 |
239 |
47.5 |
21.4 |
248 |
47.5 |
21.4 |
256 |
47.5 |
21.4 |
265 |
47.5 |
21.2 |
Mean Sample 1 result: 48.5 mN/m (pH 3.5)
Mean Sample 2 result: 47.6 mN/m (pH 3.5)
Mean result: 48.1 mN/m
Overall temperature: 21.5±0.5°C
Description of key information
The surface tension of solutions prepared at nominally 1.1 g/L of test item in water and diluted to 90 % saturation was determined to be 48.1 mN/m at 21.5 ± 0.5 °C and the substance was considered to be surface-active (OECD 115 and EU Method A.5).
Key value for chemical safety assessment
- Surface tension:
- 48.1
- in mN/m at 20°C and concentration in mg/L:
- 990
Additional information
GUIDLELINE
The determination 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.
RESULTS
The surface tension of solutions prepared at nominally 1.1 g/L of test item in water and diluted to 90 % saturation was determined to be 48.1 mN/m at 21.5 ± 0.5 °C and the substance was considered to be surface-active.
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