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Diss Factsheets

Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
This Study was conducted between 26 JUly 2016 and 15 August 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Version / remarks:
EC No. 440/2008 of 30 May 2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
27 July 1995
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Key result
Surface tension:
ca. 52 mN/m
Temp.:
20 °C
Conc.:
1.255 g/L

Sample 1

 Time (mins)  Reading (mN/m)  Temperature (°C)
 70  52.0  20.0
 83  52.0  20.0
 95  52.0  20.0
 108  52.0  20.0
 120  52.0  20.0

 

Sample 2

 Time (mins)  Reading (mN/m)  Temperature (°C)
 141  52.0  20.0
 154  52.0  20.0
 168  52.0  20.0
 181  52.0  20.0
 194  52.0  20.0

Mean Sample 1 result       :       52.0 mN/m              Mean Sample 2 result      :       52.0 mN/m

pH of Sample 1               :       6.6                           pH of Sample 2              :       6.4

Mean result                   :       52.0 mN/m

Overall temperature       :       20.0 ± 0.5 ºC

Conclusions:
The mean surface tension of duplicate solutions of test item prepared at 90 % saturated concentration in water has been determined to be 52.0 mN/m at 20.0 ± 0.5 °C. The test item was considered to be surface-active.
Executive summary:

The general physico-chemical properties of FRET 10-0367 have been determined.  

Surface Tension. 52.0 mN/m (mean result from duplicate aqueous solutions prepared at 90% saturation concentration) at 20.0 ± 0.5 °C, using a ring method, designed to be compatible with Method A.5 Surface Tension of Commission Regulation (EC) No 440/2008 of 30 May 2008, and Method 115 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.  The test item was considered to be surface-active.

Description of key information

The mean surface tension of duplicate solutions of test item prepared at 90 % saturated concentration in water has been determined to be 52.0 mN/m at 20.0 ± 0.5 °C, using a ring method according to EU method A.5 and OECD TG 115.  The test item was considered to be surface-active.

Key value for chemical safety assessment

Surface tension:
52
in mN/m at 20°C and concentration in mg/L:
1 255.25

Additional information