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Physical & Chemical properties

Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19 May 2017 - 16 July 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Qualifier:
according to
Guideline:
EPA OPPTS 830.7100 (Viscosity)
GLP compliance:
yes (incl. certificate)
Type of method:
rotational viscometer (dynamic)
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
5 121

40°C Determination

 Rotational Speed (rpm)  Shear Rate (Sec-1) Shear Stress (N/m2  Viscosity (mPa.s)  Temperature (°C) Torque (%) 
 0.5  0.660 3.40   5087  40.0  84.8
 0.5  0.660  3.41  5165  40.0  86.1
 0.5  0.660  3.38  5111  40.0  85.3

60°C Determination

Rotational Speed (rpm)   Shear Rate (Sec-1)  Shear Stress (N/m2     Viscosity (mPa.s)   Temperature (°C)  Torque (%)  
 2.0 2.64  3.19  1209  60.0  80.6
 2.0  2.64  3.19  1209  60.0  80.6
Conclusions:
The viscosity of the test material was determined to be 5121 mPa.s at 40.0 ± 0.5 °C and 1209 mPa.s at 60.0 ± 0.5 °C.
Executive summary:

The viscosity was determined using a capillary viscometer method, designed to be compatible with Method 114 of the OECD Guidelines for Testing of Chemicals, 12 May 1981 and Method 830.7100 of the OCSPP Guidelines. The results are as followed:

 Temperature (°C)  Viscosity (mPa.s)
 40.0 ± 0.5 5121 
 60.0 ± 0.5  1209

Description of key information

The viscosity of the test material was determined using a capillary viscometer method, designed to be compatible with Method 114 of the OECD Guidelines for Testing of Chemicals, 12 May 1981 and Method 830.7100 of the OCSPP Guidelines.

Key value for chemical safety assessment

Viscosity:
5 121 mPa · s (dynamic)
at the temperature of:
40 °C

Additional information