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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:
04 October 2017 - 22 March 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.5 (Surface Tension)
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Specific details on test material used for the study:
Identification: RM1006673
Additional information: 9-Octadecenoic acid (Z)-, reaction products with diethylenetriamine, di-Me sulfate-quaternized
CAS RN: 97953-16-7
Appearance/Physical state: Yellow to brown paste
Batch: RL55/17
Purity: 100%
Expiry / Retest date: 31 January 2019
Storage conditions: Room temperature, in the dark
Key result
Surface tension:
ca. 52.2 mN/m
Temp.:
20 °C
Conc.:
1 g/L
Conclusions:
The surface tension of nominally 1 g/L solutions of the substance in water has been determined to be 52.2 mN/m at 20. ± 0.5 °C, using a ring method. The substance was considered to be surface-active.
Executive summary:

The surface tension of nominally 1 g/L solutions of the substance in water has been determined to be 52.2 mN/m at 20. ± 0.5 °C, using a ring method. The substance was considered to be surface-active.

Description of key information

The surface tension of nominally 1 g/L solutions of the substance in water has been determined to be 52.2 mN/m at 20. ± 0.5 °C, using a ring method. The substance was considered to be surface-active.

Key value for chemical safety assessment

Surface tension:
52.2

Additional information

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