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Diss Factsheets
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EC number: 241-442-6 | CAS number: 17418-58-5
- 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
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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
- Study period:
- 1999
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- according to guideline
- Guideline:
- other: Test Methods for the Determination of the Safety Characteristic of Dust, VDI 2263, 1990
- GLP compliance:
- no
- Remarks:
- The test was carried out according to DIN EN 45001
- Remarks on result:
- no self ignition observed under the test conditions
- Remarks:
- up to 350 °C
- Conclusions:
- The test article showed no exothermic reaction up to 350 °C
- Executive summary:
The article was tested for autoflammability in Differential Thermal Analysis according to "Test Methods for the Determination of the Safety Characteristic of Dust, VDI 2263, 1990: burning behavior," and DIN EN 45001. The test article showed no exothermic reaction up to 350 °C
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1999
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- according to guideline
- Guideline:
- other: Test Methods for the Determination of the Safety Characteristic of Dust, VDI 2263, 1990
- GLP compliance:
- no
- Remarks:
- The test was conducted according to DIN EN 45001
- Relative self-ignition temperature:
- 190 °C
- Conclusions:
- The exothermic reaction of the article as per Grewer started at 190 °C
- Executive summary:
The article was tested for autoflammability according to "Test Methods for the Determination of the Safety Characteristic of Dust, VDI 2263, 1990" and according to DIN EN 45001. The sample was and a reference were heated at a rate of 0.5 K/min in an air stream of 20 l/h up to 350 °C. Following this, a fresh sample is heated at difference surrounding temperatures for a period of about 5 h.
The exothermic reaction of the test article as per Grewer started at 190 °C.
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1999
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- according to guideline
- Guideline:
- other: Test methods for the Determination of the Safety Characteristic of Dust, VDI 2263, 1990: Hot storage test
- GLP compliance:
- no
- Remarks:
- The test was carried out according to DIN EN 45001
- Remarks on result:
- other: no significant thermal change at a storage temperature of 150 °C for 120 hours
- Conclusions:
- Not self-igniting
- Executive summary:
The potential of the article to be auto-flammable was tested according to: 'Test Methods for the Determination of the Safety Characteristic of Dust, VDI 2263, 1990: Hot storage test' and according to DIN EN 45001.
From a safety technology point of view, the article showed no significant thermal change at a storage temperature of 150 °C for 120 hours.
Therefore, the test article is considered as not auto-flammable.
Referenceopen allclose all
Differential thermal analysis
No exothermic reaction up to 350 °C.
The temperature determined as the start of an exothermic decomposition is suitable only as a basis or reference value and is not in all cases suitable to conduct a thermally safe process.
Testing as per Grewer
The exothermic reaction as per Grewer started at 190 °C.
A temperature so determined depends upon the test method. Therefore it only serves as a reference and for comparison purposes. It cannot be used in all cases as the basis for conducting a safe thermal process. The oxidizing self-heating depends upon the sample size and the duration of the temperature exposure. Increased sample volume will result in auto-ignition at lower surrounding temperatures.
Results
Storage temperature, °C |
Size of test sample, ml |
Beginning of exothermic reaction after a storage time of |
Storage time up to reaction-maximum, h |
Maximum temperature of sample, °C |
Appearance and state of test sample after the test |
Figure |
162 149 |
400 400 |
Direct --- |
8 --- |
168 151 |
Red-brown powder Red-brown powder |
1 2 |
Description of key information
Non self-igniting.
Key value for chemical safety assessment
Additional information
Three tests were performed on the substance to examine its self-ignition potential: hot storage test, differential thermal analysis (DTA) and testing as per Grewer, according to "Test methods for the Determination of the Safety Characteristic of Dust, VDI 2263, 1990" and to DIN EN 45001.
In the hot storage test, the article showed no significant thermal change at a storage temperature of 150 °C for 120 hours from a safety technology point of view.
In the Differential Thermal Analysis, no exothermic reaction occurred up to 350 °C. The temperature determined as the start of an exothermic decomposition is suitable only as a basis or reference value and is not in all cases suitable to conduct a thermally safe process.
The DTA graph showed no relevant peaks during the test, at all temperatures.
In testing as per Grewer, the exothermic reaction as per Grewer started at 190 °C. A temperature so determined depends upon the test method. Therefore, it only serves as a reference and for comparison purposes. The oxidizing self-heating depends upon the sample size and the duration of the temperature exposure. Increased sample volume will result in auto-ignition at lower surrounding temperatures.
Moreover, the substance is produced and regularly used for many years in Europe, transported in various conditions and in various amounts. Evidence connected to the long experience in handling, use and transport of the substance confirms the non self-ignition properties.
Thus, the substance is expected to be an air-stable compound at room temperature over a prolonged period of time (days), without noticeable or undesirable reactions. In conclusion, for the substance a potential for spontaneous ignition is not expected: the substance can be considered as a no-pyrophoric and no-self-heating solid because it is liable to self-heat by reaction with air and without energy supply.
No reactions with water or emission of flammable gases have ever been noted.
Therefore, the substance cannot be classified as a substance that in contact with water may react generating flammable gases.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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