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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: The kinematic viscosity of the substance was determined according to USP 38/NF 33 <911> Method I, and conducted under good manufacturing practices (GMP)
Qualifier:
according to guideline
Guideline:
other: USP 38/NF 33 <911> Method I
GLP compliance:
no
Remarks:
conducted under good manufacturing practices GMP
Type of method:
capillary viscometer (static)
Key result
Temp.:
other: 25°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
ca. 1 643
Remarks on result:
other: Determined with Cannon-Fenske Routine tube #500
Remarks:
20% solution
Conclusions:
The kinematic viscosity of a 20% solution of the Reaction Mass of 4-sulphophthalic acid and 3-sulphophthalic acid is 1643.0 mm2/s (cST) at 25C.

Description of key information

The kinematic viscosity of a 20% of the Reaction Mass of 4-sulphophthalic acid and 3-sulphophthalic acid determined according to USP 38/NF 33 911 Method I, and conducted under good manufacturing practices (GMP) is 1643.0 mm2/s (cST) at at 25˚C.

Key value for chemical safety assessment

Viscosity:
1 643 mm²/s (static)
at the temperature of:
25 °C

Additional information