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Diss Factsheets

Physical & Chemical properties

Viscosity

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Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Reason / purpose for cross-reference:
reference to same study
Principles of method if other than guideline:
Brookfield viscometer employing the principle of rotational viscometry - the torque required to turn an object, such as a spindle, in a fluid indicates the viscosity of the fluid.
GLP compliance:
no
Type of method:
rotational viscometer (dynamic)
Temp.:
other: 25.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
1 200
Remarks on result:
other: reported unit: cp
Temp.:
other: 10.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
5 430
Remarks on result:
other: reported unit: cp

The following values were obtained for the lots of AEPD-90:

AEPD-90 Lot

Temperature, °C

Viscosity, cp

7L14-DF22

25

1005

10

4640

7L08-DF22

25

1510

10

6500

7E21-DF22

25

1090

10

5160

Average

25

1200

10

5430

Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Principles of method if other than guideline:
Brookfield viscometer employing the principle of rotational viscometry - the torque required to turn an object, such as a spindle, in a fluid indicates the viscosity of the fluid.
GLP compliance:
not specified
Type of method:
rotational viscometer (dynamic)
Temp.:
other: 100.0°F
Parameter:
dynamic viscosity (in mPa s)
Value:
1 200
Remarks on result:
other: 100 °F = 37.77 °C
Temp.:
other: 150.0°F
Parameter:
dynamic viscosity (in mPa s)
Value:
160
Remarks on result:
other: 150 °F = 65.55 °C

Description of key information

5430 mPa s at 10 °C
1200 mPa s at 25 °C
1200 mPa s at 37.77 °C
160 mPa s at 65.55 °C

Key value for chemical safety assessment

Additional information

Brookfield (rotational) viscometer. No guideline followed.