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Diss Factsheets
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EC number: - | CAS number: -
- 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
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- auto-ignition temperature (liquids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Experimental Dates: 30 September - 06 October 2020
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Remarks:
- The study was conducted according to an internationally recognised method, and under GLP. No deviation affected the quality of the study. The substance is adequately identified, but some data on composition is missing. Therefore validation applies with restrictions.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Version / remarks:
- Regulation (EC) No 440/2008, with no update to the A15 method since 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- DIN EN 14522, Method S (Determination of the auto ignition temperature of gases and vapours)
- Version / remarks:
- 2005
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- signed on 15 Nov. 2018
- Key result
- Auto-ignition temperature:
- 263 °C
- Atm. press.:
- >= 974 - <= 979 hPa
- Conclusions:
- This parameter/method is not relevant for classification; however the information is useful regarding process safety and potential additional fire hazard.
No particular hazard is anticipated in normal conditions of storage. - Executive summary:
The auto-ignition temperature of the test substance was measured, under GLP, according to EU A15 guideline and DIN 14522 standard.
Three test series were performed, where different volumes of test substance were injected into a heated flask, until the lowest temperature at which ignition occurs was determined. The relevant parameters were recorded for the final result.
The lowest of the three value was retained, corrected for uncertainty standard and rounded to the nearest °C as described in DIN 14522, resulting in an auto-ignition temperature of 263°C.
Reference
First determination:
Step 1: The preselected auto-ignition temperature was set to 350°C. Ignition occurred for a sample temperature of 296.6°C.
Step 2: For the first determination, the program was performed from 292°C using 5 droplets by decreasing temperature in 5°C steps as ignition occurred.
Step 3: At 277°C, ignition did not occur so the amount of test item that is injected was modified. Tests were performed with 2 and 8 droplets. Ignition occurred using 8 droplets and so the temperature was decreased again in 5°C steps till 267°C where no ignition occurs whatever the amount of droplets. The last ignition occurred at 272°C using 8 droplets.
Steps 4 to 6: the program was then used from 270°C using 8 droplets by decreasing temperature in 2°C steps as ignition occurred. At 268°C, ignition did not occur whatever the amount of droplets. The last ignition occurred at 270°C using 11 droplets.
Step 7: The last ignition occurred at 270°C using 8 droplets, ignition time lag was 57 seconds and correspond to the first auto-ignition temperature.
Second determination:
Temperature was then increased to the value obtained with first determination/step 1 program (297°C) and the program was performed using 8 droplets. The same operatory mode as for the first determination was performed and the lowest auto-ignition was found at 272°C using 8 droplets, ignition time lag was 50 seconds.
Third determination:
A third determination was performed as for the second one and a lowest auto-ignition temperature of 267°C with 8 droplets (ignition time lag 62 seconds) was found.
The lowest value (267°C obtained during the third determination) was automatically reduced by the absolute deviation calculated using the reproducibility value (1.5% relative) and rounded to the nearest 1 °C.
A final auto-ignition temperature of 263°C was obtained.
The atmospheric pressure was 974 hPa at the beginning of the test and 979 hPa at the end of the test.
No fume or noise was observed throughout the test.
Description of key information
No particular hazard is anticipated in normal conditions of storage.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 263 °C
Additional information
A reliable experimental study, conducted according to a recognized DIN/EU method and under GLP, is available. Despite minor restrictions due to incomplete test item identification, it is considered as a key study, and the result is retained as key data.
This parameter is not relevant for classification, however the information is useful regarding process safety and potential additional fire hazard.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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