Registration Dossier
Registration Dossier
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EC number: 480-060-6 | CAS number: 24065-33-6
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:
- 19 Feb - 13 Mar 2007
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
- Remarks:
- OECD-Ring method in compliance with guideline 92/69/EWG A.5. surface tension.
- Key result
- Surface tension:
- 58.38 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The value after second correction (Harkins and Jordan) is 58.38 mN/m.
- Executive summary:
The study was performed to assess the surface tension. The study was conducted in accordance with EEC Method for "determination of the surface tension", Directive 92/69/EEC, method A.5. The value after second correction (Harkins and Jordan) is 58.38 mN/m.
Reference
mean Value: 62.22 mN/m
Correlation factor 0.953
Value after first correction: 59.29 mN/m
Value after second correction: 58.38 mN/m (Harkins and Jordan)
Validity criteria for the measurement of the surface tension:
| Target condition according to guideline 92/69/EWG A.5: | Actual condition according to the study: | Validity criteria met: |
| A solution of the substance is prepared in distilled water. The concentration of this solution should be 90 % of the saturation solubility of the substance in water; when this concentration exceeds 1 g/ L, a concentration of 1 g/ L is used for testing. | For the analysis a solution of the test substance in a concentration of 1.0 g 1/1 was prepared and a concentration of 1 g/L was used for testing. | Yes |
| The measurement shall be made at approximately 20 °C and shall be controlled to within ± 0.5 °C. | The stated temperature was 20 °C. | Yes |
| The measurement results: individual readings, their arithmetic mean and the corrected mean; concentration of the solution should be stated. | The received value was conected by two factors, first With the correction factor 0.953 (Quotient from experimentally value of water and cited literature value) and second by the Harkins and Jordan correction, as cited in the OECD guideline. | Yes |
Description of key information
The study was performed to assess the surface tension. The study was conducted in accordance with EEC Method for "determination of the surface tension", Directive 92/69/EEC, method A.5. The value after second correction (Harkins and Jordan) is 58.38 mN/m.
Key value for chemical safety assessment
- Surface tension:
- 58.38
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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