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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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surface tension
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Peer-reviewed assessment report (attached in section 13)
according to guideline
EU Method A.5 (Surface Tension)
GLP compliance:
Type of method:
ring method
Specific details on test material used for the study:
Purity: 98.6%
Surface tension:
58.5 mN/m
22 °C
Remarks on result:
other: (90 % saturated solution)
As information was provided via a peer-reviewed assessment report, it can be considered as sufficiently reliable. Surface tension (22°C; 90 % saturated solution)= 58.5 mN/m
Executive summary:

A study according to EU Method A.5 (GLP) has been conducted to determine the surface tension using the ring method. The surface tension of ethoxyquin has been measured to be 58.5 mN/m (22°C; 90 % saturated solution) and hence, the material has to be regarded as surface active.

Description of key information

Surface tension (22°C; 90 % saturated solution) = 58.5 nM/m.

The material has to be regarded as surface active according to EEC A5.

Key value for chemical safety assessment

Surface tension:

Additional information