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EC number: 239-473-5 | CAS number: 15454-75-8
- 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
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 07 March 2017 to 15 March 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- static method
- Specific details on test material used for the study:
- STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Controlled room temperature (15 to 25 °C, below 70 RH %), protected from light - Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 475 Pa
- Conclusions:
- Under the conditions of the study the vapour pressure of the test material was 475 Pa at 20 °C.
- Executive summary:
The vapour pressure of the test material was determined in accordance with the standardised guideline EU Method A.4. The test was performed using a static method under GLP conditions.
This method involves placing a quantity of the test material in the sample chamber of the glassware and a suitable manometer liquid in the U-tube. The contents of the static glassware are connected to a vacuum system linked with pressure monitors to enable the reading of any pressure/ vacuum on the contents of the static glassware.
An extended degassing period and suspected evolution of water was suspected in test run 1 and as a result was deemed unreliable. Therefore the mean of the initial direct measurements taken at 20 °C for runs 2 and 3 has been reported as the vapour pressure.
Under the conditions of the study the vapour pressure of the test material was 475 Pa at 20 °C.
Reference
Run 1- Sample weight 20.813 grams.
The sample was degassed over 48 hours. A vacuum of 0.0011 mbar was obtained on the system prior to the start of the test. It was not possible to obtain a stable reading at 40 °C. An initial reading of 0.5062 mbar was obtained at 40 °C, this increased to 3.6 mbar over the next 5 hours. The test was discontinued. The instability in the sample could be due to the release of water from the sample.
Run 2- Sample weight 19.04 grams.
A direct reading was taken due to the nature of the material. A vacuum of 0.0180 mbar was obtained on the system prior to the start of the test. The sample was allowed to equilibrate for 5 hours and 20 hours with measurements of 4.8 mbar and 5.2 mbar observed respectively.
Run 3- Sample weight 18.55 grams.
A direct reading was taken due to the nature of the material. A vacuum of 0.0165 mbar was obtained on the system prior to the start of the test. The sample was allowed to equilibrate for 5 hours and 21 hours with measurements of 4.7 mbar and 5.1 mbar observed respectively. The vapour pressure was monitored over the next 48 hours and found to consistently increase by approximately 2 mbar every 24 hours. Therefore the initial readings after 5 hours have been reported.
Due to the extended degassing period of test run 1 and suspected evolution of water it is suspected that the results are unreliable. Therefore the mean of the initial direct measurements taken at 20 °C for runs 2 and 3 has been reported as the vapour pressure.
Table 1: Full test results
Temperature (°C) |
Temperature (K) |
Pressure (mbar) |
Calculated Pressure (Pa) |
Run 1 |
|||
*20 |
293.15 |
0.04 |
4 |
20.4 |
293.55 |
0.0431 |
4.31 |
30.1 |
303.25 |
0.2073 |
20.73 |
Run 2 |
|||
20 |
293.15 |
4.8 |
480 |
Run 3 |
|||
20 |
293.15 |
4.7 |
470 |
*Determined by extrapolation from run 1
Description of key information
Under the conditions of the study the vapour pressure of the test material was 475 Pa at 20 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 475 Pa
- at the temperature of:
- 20 °C
Additional information
The vapour pressure of the test material was determined in accordance with the standardised guideline EU Method A.4. The test was performed using a static method under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
This method involves placing a quantity of the test material in the sample chamber of the glassware and a suitable manometer liquid in the U-tube. The contents of the static glassware are connected to a vacuum system linked with pressure monitors to enable the reading of any pressure/ vacuum on the contents of the static glassware.
An extended degassing period and suspected evolution of water was suspected in test run 1 and as a result was deemed unreliable. Therefore the mean of the initial direct measurements taken at 20 °C for runs 2 and 3 has been reported as the vapour pressure.
Under the conditions of the study the vapour pressure of the test material was 475 Pa at 20 °C.
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