Registration Dossier
Registration Dossier
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EC number: 266-587-2 | CAS number: 67151-63-7
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:
- 2012-04-30
- 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:
- ring method
- Specific details on test material used for the study:
- - Source and lot/batch number of test material: PFW100207
- Purity: contains 0.03% water
- Physical state: Liquid
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: in cool, well-ventilated area - Key result
- Surface tension:
- 65.3 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Remarks on result:
- other: The surface tension result is corrected for water calibration as well as for measurement ring parameters (Harkins-Jordan). Solution age was 10 minutes for test No 1 and 15 minutes for test No 2.
- Conclusions:
- The surface tension of the substance was determined to be 65.3 mN/m at a test concentration of 1 g/L and at 20°C. The substance is concluded not to have surface active properties.
Reference
Calibration:
The measured value of the surface tension of water: 67.5 mN/m.
EC standard reading for surface tension of water: 72.75 mN/m.
Calibration factor is: 72.75/67.5 = 1.078
The calibration factor is determined by measuring the Surface Tension of water and comparing the value obtained in literature.
The corrected value for measurement ring parameters is taken from a table compiled on the basis of the Harkins-Jordan correction.
The duplicate runs provided following values: 65.8 mN/m for run 1 and 64.7 mN/m for run 2.
Description of key information
The surface tension of the test substance was determined in a GLP-compliant study according to test method EC A.5, to be 65.3 mN/m at a test concentration of 1 g/L and at 20°C, following the ring method (Younis S, 2012).
Key value for chemical safety assessment
- Surface tension:
- 65.3
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The substance is concluded not to have surface active properties.
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