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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
Study period:
08 September 2017 to 22 November 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
ring method
Key result
Remarks on result:
not determinable
Remarks:
The solubility of the sample was < 1 mg/L and therefore no further testing is required.

- A solution of 1 g/L was prepared. After shaking the majority of the sample sank to the bottom of the glassware. After 20 minutes sonication the sample remained insoluble.

- A second solution of 1 mg/L was prepared which sank to the bottom of the glassware. After 30 minutes of sonication the sample remained insoluble.

- The solubility of the sample was < 1 mg/L and therefore no further testing is required.

- The endpoint it exempt under Column 2 of Annex VII (EC 440/2008) as the water solubility is < 1 mg/L.

Conclusions:
In accordance with Column 2 of Annex VII (EC 440/2008) the endpoint is exempt as the water solubility is < 1 mg/L.
Executive summary:

The surface tension of the test material was investigated in accordance with the standardised guidelines OECD 115 and EU Method A.5, under GLP conditions using the ring method.

A solution of 1 g/L was prepared. After shaking the majority of the sample sank to the bottom of the glassware. After 20 minutes sonication the sample remained insoluble. A second solution of 1 mg/L was prepared which sank to the bottom of the glassware. After 30 minutes of sonication the sample remained insoluble. The solubility of the sample was < 1 mg/L and therefore no further testing is required.

In accordance with Column 2 of Annex VII (EC 440/2008) the endpoint is exempt as the water solubility is < 1 mg/L.

Description of key information

In accordance with Column 2 of Annex VII (EC 440/2008) the endpoint is exempt as the water solubility is < 1 mg/L.

Key value for chemical safety assessment

Additional information

The surface tension of the test material was investigated in accordance with the standardised guidelines OECD 115 and EU Method A.5, under GLP conditions using the ring method.

A solution of 1 g/L was prepared. After shaking the majority of the sample sank to the bottom of the glassware. After 20 minutes sonication the sample remained insoluble. A second solution of 1 mg/L was prepared which sank to the bottom of the glassware. After 30 minutes of sonication the sample remained insoluble. The solubility of the sample was < 1 mg/L and therefore no further testing is required.

In accordance with Column 2 of Annex VII (EC 440/2008) the endpoint is exempt as the water solubility is < 1 mg/L.