Registration Dossier

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method

Test material

Constituent 1
Reference substance name:
Zanthoxylum, ext.
EC Number:
310-094-8
EC Name:
Zanthoxylum, ext.
Cas Number:
102242-62-6
Molecular formula:
NA
IUPAC Name:
Zanthoxylum, ext.
Test material form:
liquid: viscous

Results and discussion

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

Any other information on results incl. tables

Surface tension at 20°C of Zanthoxylum ext 90% saturation solution (experimental value)

 Determination     Ϭ = Ϭr x  φb (mN/m)
1  54.7
2  54.2
3  54.7
 Mean  54.5

Surface tension at 20°C of Zanthoxylum ext. 1 g/L (correction with interpolation)

 Corrected value  Tab. X1  Tab. X2   Tab. Y1   Tab. Y1  Slope  Intercept  Surface Tension
 mN/m    mN/m    mN/m    mN/m    mN/m        mN/m
 54.5  52.8  54.9  54.0  56.0  0.9524  3.7143  53.3

Applicant's summary and conclusion

Conclusions:
Surface tension of Zanthoxylum ext at 20°C resulted: 53.3 mN/m