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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:
27 May 2014 - 28 May 2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: According to the method OECD 114 with GLP study.
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
capillary viscometer (static)
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
16.1
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
7.37

The results of viscosity determination at 20°C

 

Test No.

 

Test temperature

 

 

Flow time

 

t

The difference in flow time of two consecutive measurements

 

Viscosity

 

ν

The difference between any and average viscosity

t

 

[°C]

[ s ]

[%]

[mm2/s]

[% ]

1

20.00

553.25

0.10

16.066

0.05

2

20.00

552.70

16.050

0.05

Average

16.1

-

The results of viscosity determination at 40°C

Test No.

Test temperature

Flow time

 

t

The difference in flow time of two consecutive measurements

Viscosity

 

ν

The difference between any and average viscosity

t

[°C]

[ s ]

[%]

[mm2/s]

[% ]

1

40.00

731.25

0.03

7.371

0.01

2

40.00

731.04

7.369

0.011

Average

7.37

-

Conclusions:
The determined average kinematic viscosity of the tested material at 20 °C temperature is 16.1 mm2/s.
The determined average kinematic viscosity of the tested material at 40 °C temperature is 7.37 mm2/s.
Executive summary:

The viscosity of test item was calculated using capillary metyhod in accordance with OECD Guideline 114. The determined average kinematic viscosity of the tested material at 20 °C and 40ºC temperature was 16.1 mm2/s and 7.37 mm2/s respectively.

Description of key information

Key study. OECD 114. Capillary method. Viscosity os test item at 20ºC was 16.1 mm2/s

Key value for chemical safety assessment

Viscosity:
16.1 mm²/s (static)
at the temperature of:
20 °C

Additional information

Key study: The viscosity of test item was calculated using capillary metyhod in accordance with OECD Guideline 114. The determined average kinematic viscosity of the tested material at 20 °C and 40ºC temperature was 16.1 mm2/s and 7.37 mm2/s respectively.