Registration Dossier

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 12 April 2016 to 13 April 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report Date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
1995
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
OECD harmonised ring method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Details on test material:
- Appearance: yellow/brown powder
- Storage conditions: in refrigerator (2-8°C)

Results and discussion

Surface tension
Key result
Surface tension:
60.3 mN/m
Temp.:
20 °C
Conc.:
1 g/L

Any other information on results incl. tables

Table: Surface tension measurements

 

Measurement

Time passed after transfer test solution to test vessel
[minutes]

Surface tension [mN/m]

individual

Mean (1)

Mean (2)

 

 

 

 

 

1

15

58.2

59.3

60.3

2

17

59.2

 

 

3

18

59.4

 

 

4

19

59.5

 

 

5

20

59.4

 

 

6

21

59.2

 

 

(1) Mean calculated from measurements 2 to 6, after equilibrium was reached.

(2)  Multiplied by the calibration factor and corrected according to Harkins-Jordan.

 

Applicant's summary and conclusion

Conclusions:
The surface tension of a 1 g/L aqueous solution of the substance was determined to be 60.3 mN/m (at 20°C).

Executive summary:

Using the OECD harmonized ring method in a GLP study according to EC A.5 and OECD 115, the surface tension of an aqueous solution of the substance at 1 g/L was determined to be 60.3 mN/m ( at 20°C). According to the EC A.5 guideline the substance is not surface active.