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EC number: 203-529-7 | CAS number: 107-88-0
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 June 2009 Study completion date: 28 October 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-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:
- Directive 92/69/EEC, Official Journal L 383 A 1992
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Specific details on test material used for the study:
- Storage: at approx. 4 °C/ cool; at room temperature
- Key result
- Surface tension:
- 72.6 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- Surface tension (OECD 115): 72.6 mN/m at 20°C
- Executive summary:
The surface tension of aqueous solutions of the test item was determined 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.
Surface tension (at 20°C): 72.6 mN/m
Reference
Details on single measurements:
|
First run |
Second run |
Number of measurements |
10 |
10 |
Total measuring time [min:s] |
6:07 |
6:12 |
Measuring time of the last 10 measurements [min:s] |
6:07 |
6:12 |
Measurement 1 |
72.60 |
72.28 |
Measurement 2 |
72.59 |
72.31 |
Measurement 3 |
72.59 |
72.32 |
Measurement 4 |
72.59 |
72.34 |
Measurement 5' |
72.58 |
72.37 |
Measurement 6 |
72.58 |
72.38 |
Measurement 7 |
72.58 |
72.39 |
Measurement 8 |
72.57 |
72.41 |
Measurement 9 |
72.58 |
72.42 |
Measurement 10 |
72.57 |
72.42 |
Mean value [mN/m]1) |
72.58 |
72.36 |
Surface tension [mN/m]2) |
72.68 |
72.46 |
Mean value [mN/m] |
72.6 |
|
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): 72.6 mN/m at 20 °C
Key value for chemical safety assessment
- Surface tension:
- 72.6
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The surface tension of aqueous solutions of the test item was determined 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.
Surface tension (at 20°C): 72.6 mN/m
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