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EC number: 211-533-5 | CAS number: 659-40-5
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:
- may 2018
- Reliability:
- 1 (reliable without restriction)
- 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:
- yes
- Specific details on test material used for the study:
- Batch 42964
Expiry (Retest) date: 31 January 2019 - Key result
- Surface tension:
- 71.6 mN/m
- Temp.:
- 21 °C
- Conc.:
- 1.02 g/L
- Remarks on result:
- other: corrected
- Surface tension:
- 70.7 mN/m
- Temp.:
- 21 °C
- Conc.:
- 1.02 g/L
- Conclusions:
- The surface tension of the test item aqueous solution read on the instrument was 70.7 mN/m at 21°C ± 0.5°C using the ring method representing the mean of five separate measurements. The measured values were corrected with Harkins-Jordan correction factor.
The measured surface tension was multiplied by Φb resulting in a corrected surface tension of 71.6 mN/m.
As the surface tension value was higher than 60 mN/m, Hexamidine diisethionate is classified as a non-surface active substance.
Reference
Description of key information
As the surface tension value was higher than 60 mN/m, Hexamidine diisethionate is classified as a non-surface active substance.
Key value for chemical safety assessment
- Surface tension:
- 71.6
- in mN/m at 20°C and concentration in mg/L:
- 1 020
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