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Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018-01-23 to 2018-04-04
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:
no
Type of method:
ring method
Remarks:
"Du Noüy Ring"
Specific details on test material used for the study:
Test item: Sodium isostearoyl-2-lactylate
IUPAC name: Sodium 2-[ 2-(16-methylheptadecanoyloxy) propanoyloxy] propanoate
Batch No.: 1731200025
Purity: Technically pure
CAS No.: 66988-04-3
Empirical formula: C24H43O6Na
Molecular weight: 450.59 g/mol
Physical state: Honey coloured clear viscous liquid.
Storage conditions: Room temperature in the commercial packaging material
Production date: 2017-11-10
Expiry date: 2018-11-09
Key result
Surface tension:
28.5 mN/m
Remarks on result:
other: The test item is surface active with a surface tension of 28.5 mN/m
Conclusions:
The surface tension of the test item, sodium isostearoyl-2-lactylate, was determined according to EU method A.5 by the ring method. The substance is surface active with a surface tension of 28.5 mN/m.
Executive summary:

The surface tension of the test item, sodium isostearoyl-2-lactylate, was determined according to EU method A.5 by the ring method. The substance is surface active with a surface tension of 28.5 mN/m.

Description of key information

The surface tension of the test item, sodium isostearoyl-2-lactylate, was determined according to EU method A.5 by the ring method. The substance is surface active with a surface tension of 28.5 mN/m.

Key value for chemical safety assessment

Surface tension:
28.5

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