Registration Dossier

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
28 December 2017 - 11 January 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
Version / remarks:
2016
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
1995
Deviations:
no
GLP compliance:
yes
Type of method:
OECD harmonised ring method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Details on test material:
- Physical appearance: off-white to beige powder
- Test item storage: at room temperature

Results and discussion

Surface tension
Key result
Surface tension:
69.33 mN/m
Temp.:
20 °C
Remarks on result:
other: Conc. is 90% of test item saturation solubility in water

Any other information on results incl. tables

Table: Surface tension measurements

Measurement

Time passed after measurement start
[seconds]

Surface tension
(mN/m)

individual σ multiplied by

Harkins-Jordan corrected value

mean σ multiplied by

Harkins-Jordan corrected value

1

42.18

69.55

69.33

2

69.08

69.32

 

3

97.26

69.27

 

4

123.84

69.26

 

5

150.01

69.24

 

Applicant's summary and conclusion

Conclusions:
The surface tension of an aqueous solution of the substance at 90% of its saturation solubility in water was determined to be 69.33 mN/m (at 20°C).