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Diss Factsheets

Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 29 November 2018 to 30 November 2018
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)
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
GLP compliance:
no
Type of method:
OECD harmonised ring method
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: GSC180130-110
- Expiration date of the lot/batch: January 29,2020
- Purity: 94.58% (GC area %)

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Store at room temperature avoiding direct sunlight
- Stability under test conditions: Stable under recommended condition.
- Solubility and stability of the test substance in the solvent/vehicle: water solubility >1 g/l

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: Not relevant
Key result
Surface tension:
64.3 mN/m
Temp.:
20 °C
Conc.:
1 g/L

Measurement                      1            2         3            4             5           6

Time (s)                              28        149      270        391        512       633

Surface tension (mN/m)  64.43    64.37    64.35     64.32    64.33     64.29

Conclusions:
The aqueous solution of the test item had a mean surface tension of 64.3 mN/m.
As the surface tension was higher than 60 mN/m, the test item had no surface-active properties.
Executive summary:

The determination of the surface tension of an aqueous test substance solution was performed in accordance with the European Commission Regulation (EC) No. 440/2008, A.5 Surface tension and OECD guideline no. 115, Surface tension of aqueous solutions. The aqueous solution of the test item had a mean surface tension of 64.3 mN/m. As the surface tension was higher than 60 mN/m, the test item had no surface-active properties.

Description of key information

The aqueous solution of the test item had a mean surface tension of 64.3 mN/m.

As the surface tension was higher than 60 mN/m, the test item had no surface-active properties.

Key value for chemical safety assessment

Surface tension:
64.3
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information