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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:
22-09-2017 – 22-09-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard OECD test guidelines
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Principles of method if other than guideline:
Measurement of resistance to flow using Redwood Viscometer No. 1.

GLP compliance:
no
Type of method:
other: Redwood Viscometer No. 1
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
23.863
Remarks on result:
other: other details not mentioned
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
21.238
Remarks on result:
other: other details not mentioned
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
24.7
Remarks on result:
other: other details not mentioned
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
21.983
Remarks on result:
other: other details not mentioned

TEST DESCRIPTION AND RESULT

Method Details

Observations

Remarks if, any

Guideline

OECD 114

 

 

Method of measurement

Redwood Viscometer No. -1

 

Principle of method

The flow of test item under gravity through a capillary using Redwood Viscometer No. 1

 

Temperature at which the testing was done

20°C and 40°C

 

Observations

Time taken to fill 50ml flask at 20°C in ‘Sec’ (Mean Value)

100 sec

Time taken to fill 50ml at 40°C flask in ‘Sec’ (Mean Value)

89 sec

Density of fluid in gm/cc

0.9661 gm/cc

Conclusions:
Kinematic viscosity (experimental) of test chemical at 20°C and 40°C is 24.7000 mm²/sec and 21.9830 mm²/s, respectively.
Dynamic viscosity (calculated) of test chemical at 20°C and 40°C is 23.8626 mPa.S and 21.2377 mPa.S, respectively.
Executive summary:

The viscosity determination of Test item was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Test item at 20°C and 40°C is 24.7000 mm²/sec and 21.9830 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 23.8626 mPa.S and 21.2377 mPa.S, respectively.

Description of key information

The viscosity determination of Test item was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Test item at 20°C and 40°C is 24.7000 mm²/sec and 21.9830 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 23.8626 mPa.S and 21.2377 mPa.S, respectively.

Key value for chemical safety assessment

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

Additional information

The viscosity determination of Test item was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Test item at 20°C and 40°C is 24.7000 mm²/sec and 21.9830 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 23.8626 mPa.S and 21.2377 mPa.S, respectively.