Chromate(5-), bis[4-(hydroxy-κO)-7-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-3-[2-[2-(hydroxy-κO)- 3-nitro-5-sulfophenyl]diazenyl]-2-naphthalenesulfonato(4-)]-, sodium (1:5)

Surface tension

Link to relevant study record(s)

Reference

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.5 (Surface Tension)

GLP compliance:

yes

Type of method:

ring method

Key result

Surface tension:

70.1 mN/m

Temp.:

20 °C

Conc.:

1.069 g/L

Conclusions:

The surface tension of a solution of the test substance in water at a concentration of 1.069 g/l is 70.1 mN/m.

Executive summary:

In order to evaluate the surface tension of the test substance in an aqueous solution, a test was performed according to the method A.5 of EEC-Directive 92/69 EEC. The ring method was used. The surface tension of a solution of test substance in water at a concentration of 1.069 g/l was found to be 70.1 mN/m.

Description of key information

70.1 mN/m at 20 °C and concentration of 1.069 g/l

Key value for chemical safety assessment

Surface tension:

70.1

Additional information

In order to evaluate the surface tension of the test substance in an aqueous solution, a test was performed according to the method A.5 of EEC-Directive 92/69 EEC. The ring method was used.

The surface tension of a solution of test substance in water at a concentration of 1.069 g/l was found to be 70.1 mN/m.