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EC number: 949-141-8 | 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:
- From 13-04-2022 to 15-04-2022
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Test Guideline 114 (Viscosity of Liquids)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 22
- 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:
- 3
- Key result
- Temp.:
- 40°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- 2.65
- Conclusions:
- The determined kinematic viscosity of the tested material is 3.0 mm2/s at 20ºC and 2.65 mm2/s at 40ºC.
- Executive summary:
The determination of viscosity of the test item was performed according to OECD Guideline 114 and CIPAC MT 22, using a capillary viscometer (U-tube viscometer size A) to measure the kinematic viscosity. The test item was initially analyzed for dynamic viscosity using rotational viscometer at 20°C and 40°C. The torque % was found less than 10% and the viscosity was found below 100 mPa. s at 20°C and 40°C temperatures. Thus, the test item was finally analyzed for kinematic viscosity using U-tube viscometer size A. The experiment was conducted in three replications at 20ºC and 40ºC. The determined average kinematic viscosity of the test item was 3.0 mm2/s at 20ºC and 2.65 mm2/s at 40ºC.
Reference
Table 1. The obtained viscosity values at 20ºC are as follows:
| Replication No | Viscosity of Test Item mm2/s | Mean Viscosity of Test Item mm2/s | RSD (%) |
| 1 | 2.9995 | 3.00 | 0.099 |
| 2 | 3.0025 | ||
| 3 | 2.9966 |
Table 2. The obtained viscosity values at 40ºC are as follows:
| Replication No | Viscosity of Test Item mm2/s | Mean Viscosity of Test Item mm2/s | RSD (%) |
| 1 | 2.6587 | 2.65 | 0.172 |
| 2 | 2.6527 | ||
| 3 | 2.6497 |
Description of key information
Key study: OECD Guideline 114. GLP study: The kinematic viscosity of the tested material is 3.0 mm2/s at 20ºC and 2.65 mm2/s at 40ºC.
Key value for chemical safety assessment
- Viscosity:
- 2.65 mm²/s (static)
- at the temperature of:
- 40 °C
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