Reaction product of alkylarylsulphonic acid and cycloaliphatic amine

Surface tension

Link to relevant study record(s)

Reference

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

key study

Study period:

24 December2015 to 08 March 2016

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Study according to the guideline under GLP

Qualifier:

according to guideline

Guideline:

OECD Guideline 115 (Surface Tension of Aqueous Solutions)

Qualifier:

according to guideline

Guideline:

EU Method A.5 (Surface Tension)

GLP compliance:

yes

Type of method:

OECD harmonised ring method

Key result

Surface tension:

74.8 mN/m

Temp.:

20 °C

Conc.:

1 g/L

Measurement	Time passed after transfer test solution to test vessel [minutes]	Surface tension [mN/m]
		individual	mean	mean multiplied by Φband Harkins-Jordan corrected value
1	16	72.0	72.6^1	74.8
2	17	72.6
3	18	72.6
4	19	72.7
5	20	72.5
6	21	72.5

1 Mean calculated from measurements 2 to 6, after equilibrium was reached.

Conclusions:

The surface tesnsion of the substance is 74.8 mN/m. The substance is not surface active

Executive summary:

In a harmonized ring test acoording to OECD 115, the substance was found to be not surface active. The measured surface tension is 74.8 mN/m (corrected).

Description of key information

In a harmonized ring test acoording to OECD 115, the substance was found to be not surface active. The measured surface tension is 74.8 mN/m.

Key value for chemical safety assessment

Surface tension:

74.8

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

206