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Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
In accordance with EU A.5 Regulation (EC) No 440/2008, Annex, Official Journal of the European Union L142/1, surface tension was measured by the plate method (OECD Guidelines for The Testing of Chemicals, 115, July 27 1995).
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
plate method
Specific details on test material used for the study:
Commercial Name Cola Liquid DC-5
Chemical Name Cocamide DIPA
CAS# 68855-69-6
Physical State liquid
Sample ID 53467J16
Manufacturer Colonial Chemical Inc.
Received on November 22, 2016
Tested on February 2, 2017
Key result
Surface tension:
29.41 mN/m
Temp.:
22.1 °C
Conc.:
0.1 vol%

Each surface tension measurement is an average of 10 sequential analyses, taking approximately 10 seconds in total. Average surface tension values from each measurement and test temperatures are reported.

Conclusions:
Cola Liquid DC-5 was tested as a 0.1% solution in distilled water. Surface tension determinations were performed upon a clear solution.
A value of 29.41± 0.16 mN/m at 22.1°C was determined.

Description of key information

Cola Liquid DC-5 was tested as a 0.1% solution in distilled water. Surface tension determinations were performed upon a clear solution.

A value of 29.41± 0.16 mN/m at 22.1°C was determined.

Key value for chemical safety assessment

Surface tension:
29.41
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

Temperature of test was 22.1°C