Registration Dossier
Registration Dossier
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EC number: 221-975-0 | CAS number: 3302-10-1
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:
- Study initiation date: 29 July 2009 Study completion date: 19 November 2009
- 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)
- Version / remarks:
- adopted on 27 July 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- Official Journal L 383 A 1992
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 35.3 mN/m
- Temp.:
- 20 °C
- Conc.:
- 0.63 g/L
- Conclusions:
- Surface tension (OECD 115) : 35.3 mN/m (at 20°C)
The test item is considered to be surface active. - Executive summary:
The surface tension of aqueous solutions of the test item was determined compliant with GLP according to OECD guideline no. 115 [adopted on 27 July 1995] and EU test method A.5 [Directive 92/69/EEC, Official
Journal L 383 A 1992] with the ring method.
The reliable study produced the following results:
Surface tension (at 20°C): 35.3 mN/m
The test item is considered to be surface active.
Reference
Details on measurement results are given in the following table:
|
First run |
Second run |
Number of measurements |
10 |
10 |
Total measuring time [min:s] |
5:58 |
5:57 |
Measuring time of the last 10 measurements [min:s] |
5:58 |
5:57 |
Measurement 1 |
35.24 |
35.41 |
Measurement 2 |
35.23 |
35.40 |
Measurement 3 |
35.22 |
35.40 |
Measurement 4 |
35.22 |
35.41 |
Measurement 5 |
35.22 |
35.41 |
Measurement 6 |
35.22 |
35.41 |
Measurement 7 |
35.23 |
35.41 |
Measurement 8 |
35.23 |
35.41 |
Measurement 9 |
35.22 |
35.42 |
Measurement 10 |
35.23 |
35.42 |
Mean value [mN/m]1) |
35.23 |
35.41 |
Surface tension [mN/m]2) |
35.2 |
35.4 |
Mean value [mN/m] |
35.3 |
|
1) Mean value of the last ten measurements
2) corrected mean value (measured value x apparatus factor = corrected value)
Description of key information
Surface tension (OECD 115): 35.3 mN/m at 20°C (630 mg/L)
Key value for chemical safety assessment
- Surface tension:
- 35.3
- in mN/m at 20°C and concentration in mg/L:
- 630
Additional information
The surface tension of aqueous solutions of the test item was determined compliant with GLP according to OECD guideline no. 115 [adopted on 27 July 1995] and EU test method A.5 [Directive 92/69/EEC, Official
Journal L 383 A 1992] with the ring method. The reliable study produced the following results:
Surface tension (at 20°C): 35.3 mN/m (630 mg/L).
The test item is considered to be surface active.
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