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EC number: 216-087-5 | CAS number: 1493-13-6
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Viscosity
Administrative data
Link to relevant study record(s)
- Endpoint:
- viscosity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 21 June 2012 to 11 October 2012
- 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
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- 11-04-11
- Type of method:
- other: Rolling Ball Viscometer
- Key result
- Temp.:
- 40°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- > 1.227 - < 1.251
- Key result
- Temp.:
- 20°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- > 1.864 - < 1.881
- Key result
- Temp.:
- 40°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- > 2.086 - 2.127
- Key result
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- > 3.169 - < 3.197
- Conclusions:
- The dynamic viscosity of the test item was determined as 3.1830 ± 0.0141 mPa *s at 20.0 ± 0.1 °C and 2.1067 ± 0.0207 mPa *s at 40.0 ± 0.1 °C (corresponding to a kinematic viscosity of 1.8724 ± 0.0082 mm2/s at 20.0 ± 0.1 °C and 1.2392 ± 0.0121 mm2/s at 40.0 ± 0.1 °C).
- Executive summary:
The determination of viscosity was performed with a rolling ball viscometer according to Method 114 of OECD Guidelines for Testing of Chemical 12 May 1981 and GLP. No deviation form the Guideline was observed during the test.
The dynamic viscosity is calculated from the falling time of a ball with known density and constant k in a calibrated rolling ball viscometer following Hoeppler and the density of the test item.
The dynamic viscosity of the test item was determined as 3.1830 ± 0.0141 mPa *s at 20.0 ± 0.1 °C and 2.1067 ± 0.0207 mPa *s at 40.0 ± 0.1 °C (corresponding to a kinematic viscosity of 1.8724 ± 0.0082 mm2/s at 20.0 ± 0.1 °C and 1.2392 ± 0.0121 mm2/s at 40.0 ± 0.1 °C).
Reference
All measured values and the corresponding calculation results are given in the following table:
|
Determination at 20 °C |
||||
|
Temperature |
Falling Time |
Total Time |
|
|
Measurement |
|
Time (min) |
Time (s) |
Total Time (s) |
Viscosity (mPa*s) |
No. 1 |
20.02 |
7 |
6.22 |
426.22 |
3.1712 |
No. 2 |
20.10 |
7 |
7.31 |
427.31 |
3.1793 |
No. 3 |
20.06 |
7 |
9.91 |
429.91 |
3.1986 |
Mean |
427.81 |
3.1830 |
|||
Standard Deviation |
1.90 |
0.0141 |
|||
RSD |
0.44% |
||||
|
Determination at 40 °C |
||||
|
Temperature |
Falling Time |
Total Time |
|
|
Measurement |
|
Time (min) |
Time (s) |
Total Time (s) |
Viscosity (mPa*s) |
No. 1 |
39.90 |
4 |
46.31 |
286.31 |
2.1302 |
No. 2 |
40.00 |
4 |
42.09 |
282.09 |
2.0988 |
No. 3 |
39.90 |
4 |
41.06 |
281.06 |
2.0912 |
Mean |
283.15 |
2.1067 |
|||
Standard Deviation |
2.78 |
0.0207 |
|||
RSD |
|
0.98% |
Calculation of Dynamic viscosity:
For each measurement, the dynamic viscosity of the test item was calculated using the following equation:
n=K*(p1 -p2)*t with
n dynamic viscosity in mPa*s
K constant of ball used in mPa*s*cm3/(g*s)
p1 density of ball used in g/cm3
p2 density of the test item ( 1.7 g/cm3)
t falling time for the ball in s
Results of the single determinations with the respective standard deviation as well as the mean value and the standard deviation of all six individual experiments are presented in the following table:
|
Experiment 1 at 20°C |
Experiment 2 at 40°C |
Determination |
Dynamic Viscosity in mPa*s |
Dynamic Viscosity in mPa*s |
1 |
3.1712 |
2.1302 |
2 |
3.1793 |
2.0988 |
3 |
3.1986 |
2.0912 |
Mean |
3.1830 |
2.1067 |
Standard Deviation |
0.0141 |
0.0207 |
RSD |
0.44% |
0.98% |
Calculation of kinematic viscosity:
The kinematic viscosity of the test item was calculated using the following equation:
v= n/p2 with
v kinematic viscosity in mm²/s
n dynamic viscosity in mPa*s
p2 density of the test item ( 1.7 g/cm3)
Results of this determination are presented in the following table:
|
Kinematic Viscosity in mm²/s |
Kinematic Viscosity in mm²/s |
Mean |
1.8724 |
1.2392 |
Standard Deviation |
0.0082 |
0.0121 |
Both dynamic viscosity values are the mean of three individual measurements. Precision of each value is given as standard deviation of the individual measurements. As the measured RSD were 0.44 % (20°C) and 0.98% (40°C), the validity criterion (RSD < 2 %) is met.
Description of key information
Experimental value of viscosity :
3.1830 ± 0.0141 mPa *s at 20.0 ± 0.1 °C (corresponding to a kinematic viscosity of 1.8724 ± 0.0082 mm2/s)
2.1067 ± 0.0207 mPa *s at 40.0 ± 0.1 °C ( corresponding to a kinematic viscosity of 1.2392 ± 0.0121 mm2/s at 40.0 ± 0.1 °C).
Other Data at 25°C: 2.87 Cp (company data)
Key value for chemical safety assessment
- Viscosity:
- 1.872 mm²/s (static)
- at the temperature of:
- 20 °C
Additional information
The experimental determination of viscosity was performed with a rolling ball viscometer according to Method 114 of OECD Guidelines for Testing of Chemical 12 May 1981 and GLP. No deviation from the Guideline was observed during the test.
The supporting study is consistent with the key study result.
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