Registration Dossier
Registration Dossier
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EC number: 810-703-1 | CAS number: 1187441-10-6
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:
- 2013
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Type of method:
- ring method
- Remarks:
- Du Noüy ring
- Specific details on test material used for the study:
- Batch No., Lot #JBKA0011S
1a- Aqueous solutions of a resin (purity: 90%) or 1b- A saturated solution in deionized water - Key result
- Surface tension:
- 36.66 mN/m
- Temp.:
- 23 °C
- Remarks on result:
- other: Surface tension of resin
- Key result
- Surface tension:
- 42.05 mN/m
- Temp.:
- 23 °C
- Conc.:
- 12 g/L
- Remarks on result:
- other: Surface tension of the aqueous solution
- Conclusions:
- Under the study conditions, the surtace tension of the substance as such and when diluted in aqueous solutions were determined to be 36.66 mN/m and 42.05 mN/m, respectively at 23°C.
- Executive summary:
A study was conducted to determine the surface tension of the test substance, according to OECD guideline 115. The static surface tension of the test substance as such as well as its diluted aqueous solution (12 g/L) were determined according to the ring method using a K10ST digital tensiometer of Krüssm at room temperature. The surface tension is calculated according tog=Ff/4pRwhereFis the maximum equilibrium force andfis a correction factor which accounts for the volume of the raised liquid, the ring and the wire radii.
Under the study conditions, the surtace tension of the substance as such and when diluted in aqueous solutions were determined to be 36.66 mN/m and 42.05 mN/m, respectively at 23°C.
Reference
Description of key information
The surface tension of the test substance was determined according to OECD guideline 115 (Herssens, 2013).
Key value for chemical safety assessment
- Surface tension:
- 42.05
- in mN/m at 20°C and concentration in mg/L:
- 12 000
Additional information
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