Registration Dossier

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:
2010
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

Constituent 1
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.

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