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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

Link to relevant study record(s)

Description of key information

The substance TFA is considered as a Newtonian liquid. Its viscosity is close to water.

Key value for chemical safety assessment

1.8 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

The viscosity of the test substance TFA was measured according to recognised methods, and under GLP, using a rotary viscometer. At a shear rate varying from 20 to 100 s-1, the viscosity did not vary significantly: 0.9 to 9.0 mPa s at 20°C. At a constant shear rate of 2000 s-1, the viscosity was measured to be 1.8 mPa s at 20°C, and 1.6 mPa s at 40°C. Although these results are below the standard working range of the rotary viscometer (estimated accuracy in this low viscosity range was checked to be ca 14%), the test item can be considered as a low viscous liquid.