Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
03/02/2010-04/08/2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study carried out to GLP standards and following an approved EU method.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
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
Chemical structure
Reference substance name:
Ammonium (xylenes and 4-ethylbenzene)sulfonates
EC Number:
943-024-5
Molecular formula:
C8H10O3S.H3N
IUPAC Name:
Ammonium (xylenes and 4-ethylbenzene)sulfonates
Test material form:
other: liquid
Details on test material:
- Name of test material (as cited in study report): Ammonium xylene sulphonate
- Expiration date of the lot/batch: 31/12/2010 (extended from 31/12/2009)
- Storage condition of test material: Store in original container protected from direct sunlight in a dry cool and well-ventilated area.
- Physical state: Liquid

Results and discussion

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

Any other information on results incl. tables

Test No

Test Temp (°C)

Solution Age (min)

Surface tension Reading (mN/m)

Corrected value using calibration factor (mN/m)

Corrected value for water calibration (mN/m)

1

20 

7 65.0 68.5 67.7
2 20 12 65.0 68.5 67.7

Applicant's summary and conclusion

Conclusions:
The surface tension of ammonium xylene sulphonate is 67.7 mN.m-1 at 20°C.
Executive summary:

The surface tension of ammonium xylene sulphonate has been determined using EU method A.5. using a tensiometer. The test material has a surface tension of 67.7 mN.m-1 (mean of 2 runs), taking into account the calibration factor.