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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:
4 September - 8 December 1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: done under GLP and OECD method
Qualifier:
according to guideline
Guideline:
other: Directive 92/69/EEC, Method A5, Surface tension determined with a surface tension/torsion balance using the OECD harmonised ring method
GLP compliance:
yes
Surface tension:
52.53 mN/m
Temp.:
19.5 °C
Conc.:
90 vol%
Conclusions:
The surface tension of a 90% saturated aqueous solution is 52.53 mN/m at 19.5°C. The test substance is considered to be surface-active since the surface tension is less than 60 mN/m.

Description of key information

The surface tension of a 90% saturated aqueous solution is 52.53 mN/m at 19.5°C. The test substance is considered to be surface-active since the surface tension is less than 60 mN/m.

Key value for chemical safety assessment

Surface tension:
52.53
in mN/m at 20°C and concentration in mg/L:
463.5

Additional information