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EC number: 931-329-6 | CAS number: 68155-07-7
Viscosity
Administrative data
Link to relevant study record(s)
- Endpoint:
- viscosity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Study was performed according to OECD 114 and ISO 3219 guidelines (with GLP)
- Qualifier:
- according to guideline
- Guideline:
- OECD Test Guideline 114 (Viscosity of Liquids)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 3219: 1993 (E): "Plastics/resins in the liquid state or as emulsions or dispersions – Determination of viscosity using a rotational viscometer with defined shear rate”
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- rotational viscometer (dynamic)
- Key result
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- ca. 1 357
- Remarks on result:
- other: At shear rate of 25.0 s-1
- Conclusions:
- The average apparent viscosity of amides, C8 -18 and C18 -unsatd., N,N-bis(hydroxyethyl) was 1357 mPa·s at 20 ºC (shear rate 25 s-1).
- Executive summary:
A study was conducted to determine the apparent viscosity of amides, C8 -18 and C18 -unsatd., N,N-bis(hydroxyethyl) in accordance with ISO 3219 and OECD 114 guidelines. The apparent viscosity of amides, C8 -18 and C18 -unsatd., N,N-bis(hydroxyethyl) was determined by the use of standard Brookfield test method at 20 ± 0.2 °C for shear rate of 4.99, 10.0, 25.0 and 50.0 s-1 was found to be 1357 mPa·s at 20 ºC (shear rate 25 s-1).
Reference
Table 1. Results of measured apparent viscosity
Test no. |
Temperature (ºC) |
Shear rate (s-1) |
Apparent viscosity (mPa·s) |
Average apparent viscosity (mPa·s) |
1 |
20 |
25 |
1357 |
1357 |
2 |
20 |
25 |
1357 |
|
3 |
20 |
25 |
1357 |
Description of key information
The viscosity was determined according to ISO Method 3219 and OECD Guideline 114 (Amin, 2010).
Key value for chemical safety assessment
- Viscosity:
- 1 357 mPa · s (dynamic)
- at the temperature of:
- 20 °C
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