Registration Dossier
Registration Dossier
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EC number: 448-300-4 | CAS number: 88642-03-9
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:
- 2007-04-03 to 2007-06-06
- 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:
- 1995
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 56.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 mg/L
- Conclusions:
- The surface tension of the test item was determined to be 56.5 mN/m at a concentration of 90% of the maximum water solubility of test item.
- Executive summary:
The surface tension of the test item was determined according to OECD TG 115 (1995) and GLP. The testwas performed using a ring method (Tensiometer) according to Zuidema and Waters.The measurement of the surface tension with the test item at a concentration of 90% of the maximum water solubility after tempering at 20±1 °C. Under this condition, the surface tension was determined to be 56.45 mN/m. Due to the fact that the surface tension is lower than 60 mN/m, the test item has surface-active properties.
Reference
After tempering at 20 °C t 0.5 °C, the measurement of the surface tension with the test item was carried out at 20 °C t 0.5 °C. Six measurements every minute were performed.
Measurement |
1 |
2 |
3 |
4 |
5 |
6 |
Time (s) |
91 |
153 |
215 |
277 |
338 |
400 |
a (mN/m) |
56.59 |
56.50 |
56.44 |
56.42 |
56.39 |
56.34 |
Description of key information
Key value for chemical safety assessment
- Surface tension:
- 56.5
- in mN/m at 20°C and concentration in mg/L:
- 0.9
Additional information
The surface tension of the test item was determined according to OECD TG 115 (1995) and GLP. The test was performed using a ring method (Tensiometer) according to Zuidema and Waters.The measurement of the surface tension with the test item at a concentration of 90% of the maximum water solubility after tempering at 20±1 °C. Under this condition, the surface tension was determined to be 56.45 mN/m. Due to the fact that the surface tension is lower than 60 mN/m, the test item has surface-active properties.
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