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Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
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)
Deviations:
no
GLP compliance:
no
Type of method:
other: no data
Surface tension:
58.49 mN/m
Temp.:
20 °C
Remarks on result:
other: original test substance (undiluted)
Conclusions:
Based on tests according to OECD Guideline 115 (Surface Tension of Aqueous Solutions) the surface tension of the substance is 58.49 mN/m at 20°C.
Executive summary:

Based on tests according to OECD Guideline 115 (Surface Tension of Aqueous Solutions) the surface tension of the substance is 58.49 mN/m at 20°C.

Description of key information

Based on tests according to OECD Guideline 115 (Surface Tension of Aqueous Solutions) the surface tension of the substance is 58.49 mN/m at 20°C. Therefore, the substance has surface active properties.

Key value for chemical safety assessment

Surface tension:
58.49

Additional information

In accordance with REACH Regulation, Art. 3, and ECHA "Guidance for identification and naming of substances under REACH and CLP" v1.2, March 2012, substances have to be separated from solvents if this is not affecting the stability of the substance or changing its composition.

In this case, separation of water would only be possible by thermical damaging of the substance. Furthermore, it was not possible to spray dry the pigment solution as it stuck to and partly melted on the conus dryer.