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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Viscosity

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Guideline:
other: no guideline stated
Deviations:
not specified
GLP compliance:
no
Type of method:
other: not stated
Key result
Temp.:
other: 25°C
Parameter:
dynamic viscosity (in mPa s)
Value:
1.82
Conclusions:
The dynamic viscosity of sulphur trioxide is reported to be 1.820 mPa s at 25 °C. No details on the test method are provided.
Executive summary:

The dynamic viscosity of sulphur trioxide is reported to be 1.820 mPa s at 25 °C.

Description of key information

The dynamic viscosity of sulphur trioxide is reported to be 1.820 mPa s at 25 °C.

Key value for chemical safety assessment

Viscosity:
1.82 mPa · s (dynamic)
at the temperature of:
25 °C

Additional information