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Diss Factsheets

Physical & Chemical properties

Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14 March 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study (OECD TG 114)
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
GLP compliance:
no
Type of method:
rotational viscometer (dynamic)
Temp.:
other: 23.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
7.7

Test substance viscosity, at 23.0 °C:

Rotational speed, rpm       Dial reading       Viscosity, cP

60                                   15.4                     7.7

30                                   8.0                      8.0

12                                   3.0                      7.5

6                                     1.5                      7.5

Average value, cP = 7.7

Average value, mPa s = 7.7

Conclusions:
The average viscosity of the test item is 7.7 mPa s at 23 °C.
Executive summary:

The viscosity of the test substance was determined according to OECD TG 114 with a rotational viscometer (cup and spindle) by measurement at four rotational speeds. The average viscosity of the test item is 7.7 mPa s at 23 °C.

Description of key information

The average viscosity of the test item is 7.7 mPa s at 23 °C.

Key value for chemical safety assessment

Viscosity:
7.7 mPa · s (dynamic)
at the temperature of:
23 °C

Additional information

The viscosity of the test substance was determined according to OECD TG 114 with a rotational viscometer (cup and spindle) by measurement at four rotational speeds. The average viscosity of the test item is 7.7 mPa s at 23 °C.