Registration Dossier
Registration Dossier
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EC number: 217-588-1 | CAS number: 1897-45-6
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:
- 28 Oct 2013 to 30 Oct 2013
- 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:
- July 1995
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- May 2008
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 71.5 mN/m
- Temp.:
- 21.5 °C
- Conc.:
- 90 vol%
- Conclusions:
- The average surface tension of the duplicate 90% saturated solutions of test item in water has been determined to be 71.5 mN/m at 21.5 ± 0.5 °C
- Executive summary:
The surface tension of the test substance has been determined using the plate method in accordance with OECD TG 115 and EU Method A5, in compliance with GLP. The average surface tension of duplicate 90% saturated solution of the test substance in water has been determined to be on average 71.5 mN/m at 22.0 ± 0.5 °C. The test substance was considered not to be a surface-active substance.
Reference
RESULTS
CALIBRATION FACTOR (Φb)
The readings, temperatures and the corresponding calibration factors for the glass doubledistilled water relevant to Sample Solution A and Sample Solution B are presented in the tables below.
SAMPLE SOLUTION READINGS
The readings, times and temperatures for Sample Solution A and Sample Solution B are presented in tables below.
- Surface tension = reading x calibration factor
- Sample Solution A = 71.5 x 1.000
- Sample Solution A = 71.5 mN/m
- Sample Solution B = 71.5 x 1.000
- Sample Solution B = 71.5 mN/m
- Overall mean = 71.5 mN/m
- Temperature = 21.5 ± 0.5 ºC
- pH of sample solution = Sample Solution A = 6.1 whereas Sample Solution B = 6.0
Description of key information
71.5 mN/m at 21.5 ± 0.5 °C, OECD 115 in a 90% saturation solution, ring method and EU Method A.5., O'Connor 2013.
Key value for chemical safety assessment
- Surface tension:
- 71.5
- in mN/m at 20°C and concentration in mg/L:
- 1.012
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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