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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Surface tension:
52.1 mN/m
Temp.:
20.1 °C
Conc.:
1 g/L
Remarks on result:
other: concentration of Y-15099 about 0.1 %

Determination of the Surface Tension of the Test Item Solution

 

Time expired

[hours:min]

 

Temperature

[°C]

 

Surface tension [mN/m]

 

 

 

measured

mean value calculated from the bold values

 

corrected for

calibration and

for Harkins

Jordan

First sample

 

00:05

 

20.0

52.9

52.44

52.10

00:07

 

20.0

52.6

00:08

 

20.1

52.7

00:09

 

20.1

52.6

00:11

 

20.1

52.5

Second sample

 

00:02

 

20.2

52.2

00:04

 

20.2

52.5

00:05

 

20.2

52.3

00:07

 

20.3

52.2

00:08

 

20.3

52.1

 Harkins-Jordan correction was conducted.

 

In conclusion, the surface tension of Y-15099 in water (at a concentration of about 0.1 %) was determined to be 52.1 mN/m at 20.1 °C ± 0.2 °C. Based on the criteria as outlined in the OECD Guideline, Y-15099 is a surface active substance.

Conclusions:
surface active substance
Executive summary:

In conclusion, the surface tension of Y-15099 in water (at a concentration of about 0.1 %) was determined to be 52.1 mN/m at 20.1 °C ± 0.2 °C (OECD 115; ring method). Based on the criteria as outlined in the OECD Guideline, Y-15099 is a surface active substance.

Description of key information

52.1 mN/m at 20.1 °C
surface active substance

Key value for chemical safety assessment

Surface tension:
52.1

Additional information

OECD 115