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Registration Dossier
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EC number: 941-809-7 | 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:
- 2015-03-03 to 2015-03-05
- 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:
- 30 May 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 37.3 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1.013 g/L
- Conclusions:
- Surface tension at 20 °C: 37.3 mN/m
- 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 [Council Regulation (EC) No 440/2008] with the ring method.
Surface tension (at 20 °C): 37.3 mN/m
(Employed concentration: 1.0126g/l, age of solution 17 h)
Reference
|
First run |
Second run |
Number of measurements |
10 |
10 |
Total measuring time [min:s] |
6:07 |
6:07 |
Measuring time of the last 10 measurements [min:s] |
6:07 |
6:07 |
Measurement 1 [mN/m] |
37.10 |
37.37 |
Measurement 2[mN/m] |
37.07 |
37.36 |
Measurement 3 [mN/m] |
37.06 |
37.34 |
Measurement 4 [mN/m] |
37.05 |
37.34 |
Measurement 5 [mN/m] |
37.05 |
37.33 |
Measurement 6 [mN/m] |
37.04 |
37.33 |
Measurement 7 [mN/m] |
37.04 |
37.33 |
Measurement 8 [mN/m] |
37.03 |
37.33 |
Measurement 9 [mN/m] |
37.03 |
37.33 |
Measurement 10 [mN/m] |
37.03 |
37.33 |
Mean value [mN/m]1) |
37.05 |
37.34 |
Surface tension [mN/m]2) |
37.16 |
37.45 |
Mean value [mN/m] |
37.3 |
|
1)Mean value of the last ten measurements
2) corrected mean value (measured value x calibration factor = corrected value)
Description of key 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 [Council Regulation (EC) No 440/2008] with the ring method. Surface tension (at 20 °C): 37.3 mN/m.
According to Council regulation 440/2008 the test substance should be regarded as being a surface-active material.
Key value for chemical safety assessment
- Surface tension:
- 37.3
- in mN/m at 20°C and concentration in mg/L:
- 1 012.6
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 [Council Regulation (EC) No 440/2008] with the ring method.
Surface tension (at 20 °C): 37.3 mN/m
(Employed concentration: 1.0126g/l, age of solution 17 h)
According to Council regulation 440/2008 the test substance should be regarded as being a surface-active material.
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