Cobalt, borate propionate complexes

Surface tension

Administrative data

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

supporting study

Study period:

from 2010-04-20 till 2010-04-20

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2010

Report date:

2010

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

OECD Guideline 115 (Surface Tension of Aqueous Solutions)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

EU Method A.5 (Surface Tension)

Deviations:

no

GLP compliance:

no

Type of method:

ring method

Test material

Test material information

Constituent 1

Reference substance name:

Cobalt bis(2-ethylhexanoate)

EC Number:

205-250-6

EC Name:

Cobalt bis(2-ethylhexanoate)

Cas Number:

136-52-7

Molecular formula:

C8H16O2.1/2Co

IUPAC Name:

cobalt(2+) bis(2-ethylhexanoate)

Details on test material:

- Name of test material (as cited in study report): Cobalt bis(2-ethylhexanoate) - Physical state: waxy solid, pruple till black - Storage condition of test material: at ambient temperature, in the dark, dry and in original container.

Results and discussion

Surface tension

Surface tension:

64.43 mN/m

Temp.:

20 °C

Conc.:

1 g/L

Remarks on result:

other: Due to the fact that the surface tension is higher than 60 mN/m, the test item has no surface-active properties.

Applicant's summary and conclusion

Conclusions:

Under the described conditions the aqueous solution of the test item, cobalt bis(2-ethylhexanoate), at 20°C is sigma = 64.43 mN/m. In conclusion, the test item has no surface-active properties.