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EC number: 911-254-5 | CAS number: -
Viscosity
Administrative data
Link to relevant study record(s)
- Endpoint:
- viscosity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- January 28 to 31, 2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Meets the requirements of GLP. There are no deviations from the recommended guideline.
- Qualifier:
- according to guideline
- Guideline:
- OECD Test Guideline 114 (Viscosity of Liquids)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- capillary viscometer (static)
- Key result
- Temp.:
- 20°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- 39.8
- Key result
- Temp.:
- 40°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- 10.2
- Conclusions:
- The average kinematic viscosity of the tested material was determined to be 39.8 mm2/s and 10.2 mm2/s at a temperature of 20 ºC and 40 ºC, respectively.
- Executive summary:
The aim of the study was to evaluate the viscosity of the tested material according to OECD guideline 114. To determine the viscosity of the tested material two Ubbelohde capillaries no. M - 189 (20 °C) and no. E - 247 (40 °C) were used. The usage of Ubbelohde capillary viscometer to measure kinematic viscosity is detailed on the European Norm No. PN-EN ISO 3104. The average kinematic viscosity of the tested material was determined to be 39.8 mm2/s and 10.2 mm2/s at a temperature of 20 ºC and 40 ºC, respectively.
Reference
Table 1. 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 |
370.55 |
0.04 |
39.797 |
0.02 |
2 |
20.00 |
370.39 |
39.780 |
0.02 |
|
Average |
39.8 |
- |
|||
Table 2. 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 |
351.99 |
0.03 |
10.222 |
0.01 |
2 |
40.00 |
351.89 |
10.219 |
0.01 |
|
Average |
10.2 |
- |
|||
Description of key information
Key study. The test procedure used was the OECD guideline 114.
The average kinematic viscosity of the tested material was determined to be 39.8 mm2/s and 10.2 mm2/s at a temperature of 20 ºC and 40 ºC, respectively.
Key value for chemical safety assessment
- Viscosity:
- 39.8 mm²/s (static)
- at the temperature of:
- 20 °C
Additional information
Key study. The test procedure used was the OECD guideline 114.
The average kinematic viscosity of the tested material was determined to be 39.8 mm2/s and 10.2 mm2/s at a temperature of 20 ºC and 40 ºC, respectively.
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