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EC number: 940-766-1 | CAS number: -
Viscosity
Administrative data
- Endpoint:
- viscosity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: DIN 51562
- GLP compliance:
- no
- Type of method:
- capillary viscometer (static)
- Standard covering the apparatus used:
- Ubbelohde-Viscosimeter
Test material
- Reference substance name:
- (1E,5E,9E)-cyclododeca-1,5,9-triene; (1Z,5Z)-cycloocta-1,5-diene; 4-ethenylcyclohex-1-ene
- EC Number:
- 940-766-1
- Molecular formula:
- unspecified
- IUPAC Name:
- (1E,5E,9E)-cyclododeca-1,5,9-triene; (1Z,5Z)-cycloocta-1,5-diene; 4-ethenylcyclohex-1-ene
- Test material form:
- liquid
Constituent 1
Results and discussion
Viscosityopen allclose all
- Temp.:
- 20°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- 1.834
- Remarks on result:
- other: extrapolated value
- Temp.:
- 40°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- 1.311
- Remarks on result:
- other: interpolated value
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- 1.59
- Remarks on result:
- other: extrapolated value, calculated via equation 2 for dynamic viscosity
- Temp.:
- 40°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- 1.12
- Remarks on result:
- other: calculated via equation 2 for dynamic viscosity
Any other information on results incl. tables
| Temperature t/°C | viscosity (experimental) / v/mm²/s | viscosity (calculated) / v/mm²/sacc. equation 2 | deviation / % |
| 20.0 | --- | 1.834 | --- |
| 20.6 | 1.82 | 1.814 | 0,34 |
| 25.3 | 1.65 | 1.666 | -0.95 |
| 30.4 | 1.54 | 1.528 | 0.78 |
| 35.3 | 1.41 | 1.412 | -0.13 |
| 40.0 | --- | 1.311 | --- |
| 40.3 | 1.31 | 1.305 | 0.38 |
| 45.2 | 1.20 | 1.208 | -0.68 |
| 50.1 | 1.12 | 1.117 | 0.28 |
equation 1 (for kinematic viscosity)
ln(v/mm²/s) = -6.0740162 + 2528.3938 / (t + 358.602863)
[t] in °C
mean deviation: 0.16 %
validity range: 20.6 to 50.1 °C
equation 2 (for kinematic viscosity)
ln(v/mm²/s) = -2493.2042 + 68156.093 / T + 4344.63876 * ln T - 0.70861429 * T^1
[T] in K
mean deviation: 0.00 %
validity range: 20.6 to 50.1 °C
determination error: 1.5 % for the determined value, 0.1 K for the temperature
______________________________________________________________
The dynamic viscosity is calculated as the product of kinematic viscosity and density.
| temperature t/°C | viscosity / v/mm²/s | density / p/g/cm³ | viscosity n/mPa*s |
| 20.0 | --- | --- | 1.59 |
| 20.6 | 1.81 | 0.870 | 1.58 |
| 25.3 | 1.67 | 0.866 | 1.44 |
| 30.4 | 1.53 | 0.862 | 1.32 |
| 35.3 | 1.41 | 0.858 | 1.21 |
| 40.0 | --- | --- | 1.12 |
| 40.3 | 1.31 | 0.854 | 1.11 |
| 45.2 | 1.21 | 0.850 | 1.03 |
| 50.1 | 1.12 | 0.846 | 0.94 |
equation 1 (for dynamic viscosity)
ln(n/mPa*s) = -7.3521557 + 3300.4691 / (t + 402.19702)
[t] in °C
validity range: 20.6 to 50.1 °C
equation 2 (for dynamic viscosity)
ln(n/mPa*s) = -2505.41 + 68441.161 / T + 436.8569 * ln T - 0.71375217 * T^1
[T] in K
validity range: 20.6 to 50.1 °C
Applicant's summary and conclusion
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