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Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
Version / remarks:
2016
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
1995
Deviations:
no
GLP compliance:
yes
Type of method:
ring method
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: PX708164
- Expiration date of the lot/batch: 31 March 2018

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: At room temperature container flushed with nitrogen
Key result
Surface tension:
54.9 mN/m
Temp.:
20 °C
Conc.:
90 other: % of the test item saturation solubility
Remarks on result:
other:

The results of the test on the determination of the surface tension of the test solution are given inTable 6.

Table 6 Surface Tension of the Test Item

Measurement

Time passed after transfer test solution to test vessel
[minutes]

Surface tension
(mN/m)

individual

mean

mean multiplied by
Φband Harkins-Jordan corrected value

1

15

57.6

57.4

54.9

2

16

57.6

 

 

3

17

57.2

 

 

4

18

57.4

 

 

5

19

57.1

 

 

Conclusions:
The surface tension of a test solution at 90% of the test item saturation solubility in water and at 20°C was 54.9 mN/m. According to this, the test item is considered to be surface active.
Executive summary:

The OECD harmonized ring method was applied for the determination of the surface tension of Setalux 7002 BX-55.

The surface tension of a test solution at 90% of the test item saturation solubility in water and at 20°C was 54.9 mN/m. According to this, the test item is considered to be surface active.

Description of key information

The OECD harmonized ring method was applied for the determination of the surface tension of Setalux 7002 BX-55. The surface tension of a test solution at 90% of the test item saturation solubility in water and at 20°C is 54.9 mN/m. According to this, the test item is considered to be surface active.

Key value for chemical safety assessment

Surface tension:
54.9
in mN/m at 20°C and concentration in mg/L:
0.9

Additional information