Registration Dossier
Registration Dossier
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EC number: 200-860-9 | CAS number: 75-31-0
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: 19 October 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:
- Directive 92/69/EEC, Official Journal L 383 A 1992
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 68.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- Surface tension (OECD 115): 68.5 mN/m (at 20°C, 1 g/L test item)
- Executive summary:
The surface tension of aqueous solutions of the test item was determined in a GLP compliant study 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; 1 g/L test item): 68.5 mN/m
In conclusion, the test substance isopropylamine is not surface active.
Reference
Details on measurements:
|
First run |
Second run |
Number of measurements |
10 |
10 |
Total measuring time [min:s] |
7:26 |
6:05 |
Measuring time of the last 10 measurements [min:s] |
4:30 |
6:05 |
Measurement 1 |
68.24 |
69.14 |
Measurement 2 |
68.19 |
69.03 |
Measurement 3 |
68.13 |
69.02 |
Measurement 4 |
68.09 |
68.99 |
Measurement 5 |
68.06 |
68.98 |
Measurement 6 |
68.03 |
68.96 |
Measurement 7 |
68.01 |
68.95 |
Measurement 8 |
68.00 |
68.94 |
Measurement 9 |
67.97 |
68.94 |
Measurement 10 |
67.95 |
68.92 |
Mean value [mN/m]1) |
68.07 |
68.99 |
Surface tension [mN/ m]2) |
68.07 |
68.99 |
Mean value [mN/m] |
68.5 |
|
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): 68.5 mN/m (at 20°C, 1 g/L test item)
Key value for chemical safety assessment
- Surface tension:
- 68.5
- 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 in a GLP compliant study 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; 1 g/L test item): 68.5 mN/m
In conclusion, the test substance isopropylamine is not surface active.
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