Registration Dossier

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26 October 1993 - 16 March 1994
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report Date:
1994

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
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
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Test material: Simazine (technical)
- Appearance: White powder
- Batch No.of test material: 381 ref 765
- Expiration date of the batch: Two years from date of manufacture
- Purity: 97.8%

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: In the dark at 4°C

Results and discussion

Surface tensionopen allclose all
Surface tension:
69.6 mN/m
Temp.:
19.5 °C
Conc.:
90 vol%
Remarks on result:
other: Mean
Surface tension:
70.6 mN/m
Temp.:
19.5 °C
Conc.:
90 vol%
Remarks on result:
other: Test 1
Surface tension:
68.67 mN/m
Temp.:
19.5 °C
Conc.:
90 vol%
Remarks on result:
other: Test 2

Applicant's summary and conclusion

Conclusions:
The surface tension of Simazine (technical) has been determined as 69.6 mN/n for a 90% saturated aqueous solution at 19.5°C.