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Diss Factsheets
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EC number: 215-609-9 | CAS number: 1333-86-4
- 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
- Study period:
- November to December 2007
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- according to guideline
- Guideline:
- other: prEN 15188 “Determination of the spontaneous ignition behaviour of dust accumulations” and accroding to the method described by Beever (Beever, P. F., Spontaneous Combustion - Isothermal Test Methods, Building Research Establishment Information Paper IP23
- Principles of method if other than guideline:
- The material under test is placed in cubical wire mesh baskets of different sizes (side 50mm, 75 mm and 125mm). The baskets are filled with the sample and levelled with a straight edge. The material is not compacted into the cube. The filled cube is then suspended in an oven pre-heated and thereafter maintained at a known temperature to within ± 2°C. The centre and surface temperatures of the sample are monitored using 0.5 mm, stainless steel sheathed, chromel/alumel thermocouples. These are connected to a datalogger so that the self-heating process can be observed and recorded.
- GLP compliance:
- not specified
- Key result
- Relative self-ignition temperature:
- 183 °C
- Remarks on result:
- other: critical ignition temperature for a 27 m3 transport cube
- Conclusions:
- Thermal carbon black, stored in the volumes and at the temperatures described in the report, poses a low risk of self-heating to customers using the material. However, if the manufacture of thermal carbon black involves high temperature it is recommended that a review is made of the storage and handling in light of the results found in this report. The critical ignition temperature was determined as 183 °C for a 27 m3 transport cube.
- Executive summary:
Data from the isothermal basket tests show the material to be mildly susceptible to self-ignition. Taking the largest stockpile identified of 117m3, a dc value of 2.44 is determined equating to a critical temperature in that geometry of 166°C with a calculated time to ignition of 578 days. That is to say, the material in the centre of the pile would need to be at the critical temperature stated for exothermic reactions to runaway, eventually leading to spontaneous combustion in approximately 1½ years. Since this temperature is far in excess of any storage temperatures likely to be experienced in practice, thermal carbon black, stored in the volumes and at the temperatures described in the report, poses a low risk of self-heating to customers using the material. However, if the manufacture of thermal carbon black involves high temperature it is recommended that a review is made of the storage and handling in light of the results found in this report. The critical ignition temperature was determined as 183 °C for a 27 m3 transport cube.
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM E 1491 (Standard Method for Minimum Autoignition Temperature of Dust Clouds)
- GLP compliance:
- not specified
- Key result
- Relative self-ignition temperature:
- > 800 °C
- Remarks on result:
- no self ignition observed under the test conditions
- Remarks:
- The dust was not ignitable up to 800 deg C (highest tested temperature) over a concentration range of 200 to 1000 g / m3
- Conclusions:
- The dust was not ignitable up to 800 deg C (highest tested temperature) over a concentration range of 200 to 1000 g / m3
- Executive summary:
Dust Cloud, Minimum Auto Ignition Temperature (MAIT), Godberg Greenwald Furnace ASTM (E1491) 800°C
Referenceopen allclose all
Description of key information
Carbon black (solid: particulate/powder) - non nano does not readily self-heat and is not designated a dangerous substance for self-heating under the UN Recommendations on the Transport of Dangerous Goods. The auto-ignition temperature is > 140 °C (1 litre sample, 100 mm sample cube). The auto-ignition temperature is a volume-dependent parameter.
.Key value for chemical safety assessment
Additional information
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.