Registration Dossier

Physical & Chemical properties

Surface tension

Currently viewing:

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Not stated in report
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP/Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001
Report Date:
2001

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
not specified
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
not specified
GLP compliance:
yes
Type of method:
OECD harmonised ring method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
other: solid
Details on test material:
Technical active substance. Lot# B1202, with purity = 99.9%.

Results and discussion

Surface tension
Surface tension:
68.8 mN/m
Temp.:
19.5 °C
Conc.:
1 g/L

Any other information on results incl. tables

Test temperature:..............................................................19.5C

Density of water at 19.5C:.................................................0.99833 g/cm3

Literature value for the surface tension of water at 19.5C: ......72.8 mN/m

The measured value of the surface tension of distilled water was within 1 mN/m of the literature value, which demonstrates that the balance was calibrated correctly.

The mean corrected value of the surface tension of the test solution was 68.8 mN/m (individual determinations of 68.0 and 69.5 mN/m).

The test substance is not considered to be surface active under the terms of the Directive as the surface tension is greater than 60 mN/m.

Applicant's summary and conclusion

Conclusions:
The surface tension of a 1 g/L aqueous solution of Kordek 573T industrial microbiocide is 68.8 mN/m at 19.5C.
Executive summary:

The surface tension was determined using EEC Method A5. The surface tension of a 1 g/L aqueous solution of Kordek 573T industrial microbiocide is 68.8 mN/m at 19.5C.