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EC number: 823-920-1 | CAS number: 5341-95-7
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 27 November 2018 to 28 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: GSC171127-111
- Expiration date of the lot/batch: January 29,2020
- Purity: 92.96 (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:
- 70.2 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Remarks on result:
- other: no surface-active
- Conclusions:
- The aqueous solution of the test item had a mean surface tension of 70.2 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 70.2 mN/m. As the surface tension was higher than 60 mN/m, the test item had no surface-active properties.
Reference
Measurement 1 2 3 4 5 6
Time (s) 31 152 273 395 516 637
Surface tension (mN/m) 75.70 75.68 75.69 75.66 75.64 75.63
Description of key information
The aqueous solution of the test item had a mean surface tension of 70.2 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:
- 70.2
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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