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EC number: 486-670-9 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- August 6-10, 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted according to an internationally recognised method, and under GLP. No deviation was reported. The substance is adequately characterised. Therefore full validation applies.
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- See appendix 3 of the full report
- Type of method:
- ring method
Test material
- Reference substance name:
- NOREENAL
- IUPAC Name:
- NOREENAL
- Test material form:
- other: Liquid
- Details on test material:
- colourless translucent liquid.
The batch number was reported as 862036.
Percent purity was certified as 97.79%.
It was stored at room temperature protected from direct sun light.
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- ca. 29.1 mN/m
- Temp.:
- 20 °C
Any other information on results incl. tables
Test with acetone at 20°C
Corrected surface tension=24.03mN/m
Known value=23.70mN/m
Percent error=+1.4%
Test with demineralised water at 20°C
Corrected surface tension=72.94mN/m
Known value=72.88mN/m
Percent error=+0.1%
The raw data are reported hereafter of time evolution of the surface tension for neat item at 20°C.
No |
Time |
Temperature |
Measure |
1 |
0min59sec |
20.1°c |
32.5mN/m |
2 |
3min52sec |
20.2°c |
32.4mN/m |
3 |
6min11sec |
20.2°c |
32.4mN/m |
4 |
8min25sec |
20.2°c |
32.4mN/m |
Mean value was calculated as 32.46 mN/m as mean from tests 2 to 4.
Surface tension at 20°C=29.1mN/m
With f (correction factor)=1.001722,F=0.89668 and D=0.848g/mL
Applicant's summary and conclusion
- Conclusions:
- Surface tension at 20°C = 29.1mN/m
- Executive summary:
Phytosafe study number
10-42-027-ES
Title
GLP analysis of NOREENAL: surface tension
Test item
NOREENAL
Code A45756, batch n°862036
Test dates
Initiation : August 6, 2010
Completion : August 10, 2010
Results
SURFACE TENSION
(EEC A5)
29.1mN/m
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