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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Surface tension

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Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Oct 13, 2006
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
no guideline followed
Principles of method if other than guideline:
Pendant drop
GLP compliance:
no
Type of method:
other: Pendant drop
Key result
Surface tension:
71 mN/m
Temp.:
20 °C
Conc.:
1 g/L

Only one measurement performed since surface tension was greater than 60 mN/m

Conclusions:
The surface tension of a 1 g/L aqueous solution of the test item was measured to be 71 mN/m at 20 oC.
Executive summary:

The surface tension of a 1 g/L aqueous solution of the test item was measured to be 71 mN/m at 20 oC.

Endpoint:
surface tension
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because surface activity is not a desired property of the material

Description of key information

The surface tension of a 1 g/L aqueous solution of the test item was measured to be 71 mN/m at 20 oC. This is not a required measurement as surface activity is not a desired property of the sodium formate.

Key value for chemical safety assessment

Surface tension:
71
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information