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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:
2018-04-20
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:
ISO 3104 (Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
capillary viscometer (static)
Specific details on test material used for the study:
- Batch No.of test material: 20141015
- Purity: 99.35%
- Expiration date of the lot/batch: January 2019
- Stability under test conditions: Room temperature
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
3.06
Remarks on result:
other: mean of 2 runs
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
2.004
Remarks on result:
other: mean of 2 runs

Full test results:

Run

Temp. (°C)

Size No

C

Time (sec)

Viscocity (cSt)

 

Tested @ 20°C

 

1

20

2

0.01094

280.28

3.066

2

20

2

0.01094

279.20

3.054

                                                              Tested@40°C                                     

1

40

1

0.003337

599.62

2.001

2

40

1

0.003337

601.69

2.008

Key: C = viscosity constant; Size no = size of viscometer

Conclusions:
The viscosity of the test item was determined to be 3.060 cSt at 20 °C and 2.004 cSt at 40°C.

Description of key information

The test conducted in accordance with ISO 3104:1994 and OECD Test Guideline 114 revealed a viscosity of 3.060 cSt at 20°C and 2.004 cSt at 40°C (K1, Dekra, 2018).

Key value for chemical safety assessment

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

Additional information