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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:
2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: according to EC Directive 92/69/EEC and Regulation EC/440/2008 guideline methods under GLP conditions
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
GLP compliance:
yes
Type of method:
ring method
Key result
Surface tension:
33.4 mN/m
Temp.:
20 °C
Conc.:
90 vol%
Remarks on result:
other: 90 % saturated solution

Surface Tension Readings at 20°C
Time after Preparation (min) Surface Tension (mN/m)
15 36.0
17 36.1
20 36.0
22 36.1
25 36.0
Mean 36.04
Conclusions:
The surface tension at 20°C of a 90% saturated solution of 2,4,7,9-tetramethyldecane-4,7-diol was determined to be 33.4 mN/m.
Executive summary:

The surface tension at 20°C of a 90% saturated solution of 2,4,7,9-tetramethyldecane-4,7-diol was determined to be 33.4 mN/m.

Description of key information

Determined according to OECD Guideline 115 and EC Directive 92/69/EEC Method A5.
33.4 mN/m at 20° C of a 90% saturated solution.

Key value for chemical safety assessment

Surface tension:
33.4
in mN/m at 20°C and concentration in mg/L:
1.4

Additional information