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EC number: 932-349-8 | CAS number: 8006-64-2
- 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:
- 19 April 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Study conducted according to OECD 114 guideline, under GLP without deviation and with certificate of analysis included.
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- OECD Test Guideline 114 (Viscosity of Liquids)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- 2017-01-10
- Type of method:
- rotational viscometer (dynamic)
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- ca. 1.66
- Remarks on result:
- other: shear rate = 264 s-1
- Remarks:
- First determination. This value is the mean of 2 measurements.
- Temp.:
- 40°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- < 1.5
- Remarks on result:
- other: shear rate = 264 s-1
- Remarks:
- First determination. This value is the mean of 2 measurements.
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- ca. 1.66
- Remarks on result:
- other: shear rate = 264 s-1
- Remarks:
- Second determination. This value is the mean of 2 measurements.
- Temp.:
- 40°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- < 1.5
- Remarks on result:
- other: shear rate = 264 s-1
- Remarks:
- Second determination. This value is the mean of 2 measurements.
- Key result
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- ca. 1.66
- Remarks on result:
- other: shear rate = 264 s-1
- Remarks:
- Final value
- Key result
- Temp.:
- 40°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- < 1.5
- Remarks on result:
- other: shear rate = 264 s-1
- Remarks:
- Final value
- Conclusions:
- According to OECD 114 Guideline, the viscosity estimated for the test item is 1.66 mPa.s at 20°C and < 1.5 mPa.s at 40°C at the shear rate 264s-1.
- Executive summary:
A study was performed to determine the viscosity of the test item GUM TURPENTINE OIL. The method followed was designed to be compliant with the OECD Guideline for Testing of Chemicals No. 114, ''Viscosity of Liquids".
In this method, the measurement is performed under different shear conditions.
A rotational viscometer measures the mechanical resistance of a fluid that work opposite the rotational movement of a spindle. A spindle is therefore immersed into the fluid and a rotation is applied through a calibrated spring. The resistance exerted on the spindle is estimated by the spring twist. The spindle shear rate, the spindle size and shape, the fluid container and the full scale of the spring torque determine the measuring range. Under the study conditions, values of viscosity between 1.5 and 300000 mPa.s can be measured.
This technique allows measuring the dynamic viscosity of Newtonian liquids (for which the viscosity does not depend on shear rate or time) and non-Newtonian liquids (for which the viscosity depends on shear rate or time).
A pre-test was firstly performed and allowed classifying the test item as a Newtonian liquid.
Two determinations were then performed.
At 20.0°C, the mean of the two dynamic viscosities obtained is 1.66 mPa.s for the first determination and 1.6 mPa.s for the second. The difference between the two determinations is 0.0% so the average is given as result:
n (20.0°C +/- 0.1, 264 s-1) = 1.66 mPa.s
At 40°C, the dynamic viscosity obtained with the two determinations is below 1.5 mPa.s. Considering the expression of results from the study plan, dynamic viscosity of the test item is expressed as follows:
n (40.0°C +/- 0.1, 264 s-1) < 1.5 mPa.s
Reference
Results:
Results of the pre-test:
Temperature (°C) |
Speed (RPM*) |
Torque (%) | Shear rate (s-1) | Time (sec) | Dynamic Viscosity (mPa.s) |
20.0 | 120 | 6.5 | 158.400 | 120 | 1.62 |
20.0 | 150 | 8.2 | 198.000 | 240 | 1.64 |
20.0 | 180 | 9.9 | 237.000 | 360 | 1.65 |
20.0 | 200 | 11.1 | 264.000 | 480 | 1.66 |
*RPM: Rotation Per Minute
The test item is considered as Newtonian because the difference between the lowest and the highest value is 2.47%. As a reminder, a fluid is considered as Newtonian if the difference between the lowest and the highest value is fewer than 3%.
First determination:
Results of the first determination
|
Second determination:
Results of the second determination
|
Description of key information
The dynamic viscosity of gum turpentine oil at 25°C is 1.30 mPa.s.
Key value for chemical safety assessment
- Viscosity:
- 1.3 mPa · s (dynamic)
- at the temperature of:
- 25 °C
Additional information
The self-ignition temperature of GUM TURPENTINE OIL was estimated in a read-across approach based on the main constituents of the substance and on structural similarity between constituents.
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