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Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From June 02, 2012 to August 21, 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7100 (Viscosity)
Deviations:
no
Qualifier:
according to
Guideline:
other: International Organization for Standardization (ISO), ISO 3104: "Petroleum Products - Transparent and Opaque Liquids - Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity", 1994.
Deviations:
no
Qualifier:
according to
Guideline:
other: ASTM International, ASTM D 445-09: "Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)", July 1, 2009.
Deviations:
no
GLP compliance:
yes
Remarks:
(OECD GLP)
Type of method:
capillary viscometer (static)
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
805.87
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
221.28

The results for the kinematic viscosity of the test substance at 20°C and 40°C are given in the below Table.

 Table: Viscosity of the test substance

Temperature
[°C]

Test

Calibration constant
[(mm2/s)/s]

Flow time
[s]

Kinematic viscosity
[mm2/s]

Mean
[mm2/s]

 

 

 

 

 

 

20

I

0.9067

889.0

806.08

805.87

 

II

0.9067

888.6

805.66

 

 

 

 

 

 

 

40

I

0.9067

243.9

221.15

221.28

 

II

0.9067

244.2

221.40

 

 

 

 

 

 

 

 

Conclusions:
Under the conditions of the study, the kinematic viscosity of the test substance was determined to be 805.87 and 221.28 mm2/s at 20 and 40°C, respectively.
Executive summary:

A study was conducted to determine the viscosity of the test substance using a glass capillary viscometer according to OECD Guideline 114, US EPA Guideline OPPTS 830.7100, ISO Method 3104 and ASTM Method D 445-09. Under the conditions of the study, the kinematic viscosity was determined to be 805.87 and 221.28 mm2/s at 20 and 40°C, respectively (Baltussen, 2017).

Description of key information

The viscosity was determined using a glass capillary viscometer according to OECD Guideline 114, US EPA Guideline OPPTS 830.7100, ISO Method 3104 and ASTM Method D 445-09 (Baltussen, 2017).

Key value for chemical safety assessment

Viscosity:
805.87 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information