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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
Study period:
May 9, 2012 - May 10, 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Key result
Surface tension:
63 mN/m
Temp.:
20 °C
Conc.:
0.298 g/L

Measurement of surface tension of 2-methylcyclohexyl acetate water solution (concentration of test item equals 0.298 g/l which is 90 % of the saturation solubility) at 20 °C:

Measurement

1

2

3

4

5

Time of test ítem transfer to measurement vessel (min)

10

20

30

50

60

Test ítem surface tension (mN/m)

60.8

60.9

61.5

61.7

61.0

The average value of test item surface tension is: 61.2 ± 0.4 mN/m.

No distinct dependence of measured values of surface tension on the transfer time was observed.

On the base of the polynomial equation the finally corrected value of test item surface tension is: 63.0 mN/m.

Conclusions:
The surface tension of 2-methylcyclohexyl acetate in water solution (concentration of the test item equals 0.298g/l) at 20 °C was determined to be 63.0 mN/m.

Executive summary:

The determination of surface tension was carried out in accordance with EU method A.5 harmonized ring method. The surface tension of 2-methylcyclohexyl acetate in water solution (concentration of the test item equals 0.298g/l) at 20 °C was determined to be 63.0 mN/m.

Description of key information

Key study: Test method EU  A.5 and OECD 115. GLP study. The surface tension of 2-methylcyclohexyl acetate in water solution (concentration of the test item equals 0.298g/l) at 20 °C was determined to be 63.0 mN/m.

Key value for chemical safety assessment

Surface tension:
63
in mN/m at 20°C and concentration in mg/L:
0.298

Additional information

Key study: The determination of surface tension was carried out in accordance with EU method A.5 harmonized ring method. The surface tension of 2-methylcyclohexyl acetate in water solution (concentration of the test item equals 0.298g/l) at 20 °C was determined to be 63.0 mN/m.