Registration Dossier
Registration Dossier
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EC number: 220-239-6 | CAS number: 2682-20-4
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Not stated in report
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP/Guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- not specified
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Test material form:
- other: solid
- Details on test material:
- Technical active substance. Lot# B1202, with purity = 99.9%.
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 68.8 mN/m
- Temp.:
- 19.5 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
Test temperature:..............................................................19.5C
Density of water at 19.5C:.................................................0.99833 g/cm3
Literature value for the surface tension of water at 19.5C: ......72.8 mN/m
The measured value of the surface tension of distilled water was within 1 mN/m of the literature value, which demonstrates that the balance was calibrated correctly.
The mean corrected value of the surface tension of the test solution was 68.8 mN/m (individual determinations of 68.0 and 69.5 mN/m).
The test substance is not considered to be surface active under the terms of the Directive as the surface tension is greater than 60 mN/m.
Applicant's summary and conclusion
- Conclusions:
- The surface tension of a 1 g/L aqueous solution of Kordek 573T industrial microbiocide is 68.8 mN/m at 19.5C.
- Executive summary:
The surface tension was determined using EEC Method A5. The surface tension of a 1 g/L aqueous solution of Kordek 573T industrial microbiocide is 68.8 mN/m at 19.5C.
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