Registration Dossier

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Principles of method if other than guideline:
not applicable
GLP compliance:
not specified
Type of method:
ring method

Test material

Constituent 1
Chemical structure
Reference substance name:
Methenamine
EC Number:
202-905-8
EC Name:
Methenamine
Cas Number:
100-97-0
Molecular formula:
C6H12N4
IUPAC Name:
1,3,5,7-tetraazatricyclo[3.3.1.1~3,7~]decane
Details on test material:
- Analytical purity: 99.3 % 8w/w)

Results and discussion

Surface tension
Surface tension:
ca. 70 mN/m
Temp.:
20 °C
Conc.:
1 g/L

Applicant's summary and conclusion

Conclusions:
The determined value of the surface tension of an aqueous solution of methenamine at 20.0 °C was 70,4 mN/m (c = 1.0 g/L, after 40 minutes). Therefore the test substance is classified to be not a surfactant.