Reaction products of 4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid coupled with 7-Amino-4-hydroxy-2-naphthalenesulfonic acid, subsequently chelated with Chromium(3+) and cobalt(3+), further mixed with reaction products of 2,4,6-Trichloro-1,3,5-triazine and Ethanol, 2-[(4-aminophenyl)sulfonyl]-, 1-(hydrogen sulfate), sodium salts

Surface tension

Link to relevant study record(s)

Reference

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

key study

Study period:

From June 19, 2018 to June 25, 2018

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study with acceptable restrictions

Qualifier:

according to guideline

Guideline:

OECD Guideline 115 (Surface Tension of Aqueous Solutions)

Qualifier:

according to guideline

Guideline:

EU Method A.5 (Surface Tension)

Type of method:

plate method

Surface tension:

62.31 mN/m

Temp.:

20.1 °C

Conc.:

1.03 g/L

Table 1. Surface tension of an aqueous test substance solution at 20.1°C

Measurement	Surface tension (mN/m)
	Measured	Mean
1	62.41	62.31
2	62.25
3	62.23
4	62.34
5	62.30

Conclusions:

According to OECD 115, the surface tension of 1.03 g/L aqueous solution of Everzol SR98 was 62.31 mN/m at 20.1 °C.

Executive summary:

This test using the procedures outlined in the EVERLIGHT Study Plan for 180619-02 and OECD 115. The surface tension was determined by Tensiometer using a platinum-iridium plate. Therefore, the surface tension of 1.03 g/L aqueous solution of Everzol SR98 was 62.31 mN/m at 20.1 °C.

Description of key information

The surface tension of 1.03 g/L aqueous solution of Everzol SR98 was 62.31 mN/m at 20.1°C(OECD TG115).

Key value for chemical safety assessment

Surface tension:

62.31

in mN/m at 20°C and concentration in mg/L:

1.03

Additional information

The surface tension was determined by Tensiometer using a platinum-iridium plate. Therefore, the surface tension of 1.03 g/L aqueous solution of Everzol SR98 was 62.31 mN/m at 20.1 °C.