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EC number: 233-357-8 | CAS number: 10127-27-2
- 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
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Test procedure according to UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria
- Qualifier:
- according to guideline
- Guideline:
- other: UN Manual of Tests and Criteria, Part III, N.4
- Version / remarks:
- Rev. 6 (2015)
- Key result
- Relative self-ignition temperature:
- > 140 °C
- Conclusions:
- neither spontaneous ignition nor self-heating exceeding the oven temperature of 140°C was observed. Therefore, the substance has not to be classified as self-heating according to Regulation (EC) No 1272/2008, annex I, 2.11.
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Remarks:
- VDI 2263, part 1
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- other: Directive VDI 2263, Part 1
- Relative self-ignition temperature:
- >= 140 °C
- Remarks on result:
- other: result refers to the pure test substance
- Relative self-ignition temperature:
- >= 160 °C
- Remarks on result:
- other: result refers to the kieselgur mixture (1:1)
- Conclusions:
- Due to the results from the Grewer-Oven screening test further studies are necessary to exclude or classify the substance as self-heating substance according to Regulation (EC) No 1272/2008.
Referenceopen allclose all
the weighed mass of the test item was 879.0 g.
The test item temperature reached the oven temperature (141 °C) after approximately 32 hours. After approximately 50 hours the test was stopped without detecting an exothermal effect. The maximum sample temperature was 141 °C.
After the measurement the mesh wire basket contained approximately 5 % (w/w) less test item than at the start. The remaining test item appeared unchanged.
In the screening test according to Grewer with the pure product an endothermal effect was observed in the temperature range 40 - 140°C. At 140°C the beginning of self-heating was recorded. A multistage reaction was observed which led to a maximum temperature of more than 450 °C.
In the screening test with the kieselguhr mixture 81:19 self-heatiing was detected starting at 160°C. A multistage reaction was observed which led to a maximum product temperature of more than 500°C.
Description of key information
Key value for chemical safety assessment
Additional information
The self-heating in air was studied in a screening test according to Grewer (Grewer-Oven-Test, VDI 2263-1) with the pure test substance and additionally with a 1:1 kieselgur mixture.
In this test with the pure product and the kieselgur mixture an exothermal effect was recorded starting at 140°C (160°C) that led to a maximum temperature of more than 450°C.
Due to these results from the Grewer-Oven Test an UN N.4 test according to the UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, was performed in order to exclude or classify the substance as self-heating substance according to Regulation (EC) No 1272/2008.
In this higher tier study the test item was placed in a cube-form sample container of stainless steel. wire netting (edge length 10 cm, mesh size: 0.053 mm) with their top surface open. The oven temperature was adjusted to the test temperature of 140°C.
After approximately 32 hours the test item reached the oven temperature of 140°C. Neither spontaneous ignition nor self-heating exceeding the oven temperature of 140°C was observed within 50 hours.
Therefore, the substance has not to be classified as self-heating according to Regulation (EC) No 1272/2008.
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