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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Surface tension

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-03-01 to 2018-01-16
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
GLP compliance:
no
Type of method:
plate method
Key result
Surface tension:
36.67 mN/m
Temp.:
25.3 °C
Conc.:
2 002 mg/L
Conclusions:
The surface tension of Fatty acids, C18 unsatd., mono and diester with triethanolamine , di-Me sulfate-quaternized was determined to be 36.67 mN/m using an KRÜSS tensiometer at a concentration of 2002 mg/L in a study similar to OECD Guideline 115.

Description of key information

The surface tension of Fatty acids, C18 unsatd., mono and diester with triethanolamine , di-Me sulfate-quaternized was determined to be 36.67 mN/m using an KRÜSS tensiometer at a concentration of 2002 mg/L in a study similar to OECD Guideline 115.

The test item has to be regarded as surface active as the determined surface tension is < 60 mN/m (EC method A5, chapter 3.2). 

Key value for chemical safety assessment

Surface tension:
36.67
in mN/m at 20°C and concentration in mg/L:
2 002

Additional information