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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Link to relevant study record(s)

Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP-Guideline study
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7100 (Viscosity)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
UK GLP Monitoring Authority
Type of method:
capillary viscometer (static)
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
1.34
Remarks on result:
other: average of two measurements; standard deviation = 0;
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
0.987
Remarks on result:
other: average of two measurements; standard deviation = 7.07 x 10-4;

Calibration Check

This calibration is for the viscometer used in the 20 °C determination. The calibration certificate for viscometer used for the 40 °C determination was within date and hence a calibration as not required.

The results are shown in the following table.

Determination

Temperature (°C)

Time (s)

Viscosity (mm2/s)

Mean Experimental Viscosity (mm2/s)

Certified Viscosity Standard Value (mm2/s)

Variation (%)

A

25.0 ± 0.5

1806

5.10

5.11

4.92

3.86

B

25.0 ± 0.5

1808

5.11

Test Item Determinations

The results are shown in the following table.

Determination

Temperature (°C)

Time (s)

Viscosity (mm2/s)

Standard Deviation

Mean viscosity (mm2/s)

A

20.0± 0.5

474

1.34

0

1.34

B

20.0± 0.5

473

1.34

A

40.0± 0.5

1034

0.986

7.07 x 10-4

0.987

B

40.0± 0.5

1035

0.987

 

Description of key information

1.340 mm2/s at 20.0 ± 0.5 °C and 0.987 mm2/s at 40.0 ± 0.5 °C
(OECD 114, capillary method)

Key value for chemical safety assessment

Viscosity:
1.34 mm²/s (static)
at the temperature of:
20 °C

Additional information