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EC number: 249-033-4 | CAS number: 28462-17-1
- 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
Oxidising properties
Administrative data
Link to relevant study record(s)
- Endpoint:
- oxidising solids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From July 2th to July 4th, 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- UN Manual of Tests and Criteria: Test O.1 (Test for oxidizing solids)
- GLP compliance:
- no
- Contact with:
- powdered cellulose
- Duration of test (contact time):
- 3 min
- Sample tested:
- 1:1 sample-to-cellulose ratio
- Parameter:
- mean burning time
- Result:
- > 180 s
- Sample tested:
- 4:1 sample-to-cellulose ratio
- Parameter:
- mean burning time
- Result:
- > 180 s
- Sample tested:
- reference: 3:7 mixture potassium bromate + cellulose
- Parameter:
- mean burning time
- Result:
- 128 s
- Interpretation of results:
- other: not classified according to the CLP Regulation (EC 1272/2008).
- Conclusions:
- Test item is not an oxidising solid.
- Executive summary:
A 60° glass funnel, sealed at the narrow end, with an internal diameter of 70 mm was used to form the mixtures into a truncated conical pile with base diameter of 70 mm on a cool, impervious, low heat conductive plate. A 150 × 150 mm plate with a thickness of 6 mm and a thermal conductivity (at a temperature of 0 °C) of 0.23 W/m/K was used.
Using the conical funnel, the mixture was formed into a truncated conical pile, with a base diameter of 70 mm, covering the looped ignition wire resting on the low heat conducting plate. The plate was placed in a ventilated area and the test performed at atmospheric pressure with the ambient temperature 20 ± 5 °C.
Power was applied to the ignition wire and was maintained for the duration of the test or for 3 min if the mixture did not ignite and burn. The recorded burning time was taken from when the power was switched on to when the main reaction (e.g. flame, incandescence or glowing combustion) ended. Intermittent reactions, such as sparking or sputtering, after the main reaction were not taken into account. The test was performed five times on the test item. Five tests were performed with each reference mixture.
The burning time of the test item with cellulose (4:1 and 1:1) was higher than the burning time of the reference mixture of potassium bromate and cellulose (3:7).
Accordingly, test item does not have to be classified as oxidising solid:
UN Transport Regulation: test item does not have to be classified as oxidising solid in Division 5.1.
CLP Regulation (EC 1272/2008), Annex 1: 2.14: test item does not have to be classified as oxidising solid.
Reference
Residual moisture
The test item contained a residual moisture of <0.1 w/w %, which was determined by drying at 50 °C under vacuum.
The reference item potassium bromate contained a residual moisture of <0.1 w/w %, which was determined by drying at 65 °C.
The reference item cellulose contained a residual moisture of 5.21 w/w %, which was determined by drying at 105 °C.
Burning times of the reference mixtures of potassium bromate and cellulose
Potassium bromate – Cellulose | Test 1 / s | Test 2 / s | Test 3 / s | Test 4 / s | Test 5 / s | Test 6 / s | Average / s |
3:7 | 124 | 129 | 131 | 127 | 131 | 125 | 128 |
The tests with the mixtures potassium bromate-cellulose 2:3 and 3:2 were not performed, because the burning time of the mixtures of the test item with cellulose was higher than the burning time of the reference mixtures 3:7.
Burning times of the mixtures of the test item and cellulose
Test item – Cellulose | Test 1 / s | Test 2 / s | Test 3 / s | Test 4 / s | Test 5 / s | Average / s |
4:1 | >180 | >180 | >180 | >180 | >180 | >180 |
1:1 | >180 | >180 | >180 | >180 | >180 | >180 |
Based on test results, test item does not have to be classified as oxidising solid.
Description of key information
Non oxidising.
Key value for chemical safety assessment
- Oxidising properties:
- non oxidising
Additional information
A 60° glass funnel, sealed at the narrow end, with an internal diameter of 70 mm was used to form the mixtures into a truncated conical pile with base diameter of 70 mm on a cool, impervious, low heat conductive plate. A 150 × 150 mm plate with a thickness of 6 mm and a thermal conductivity (at a temperature of 0 °C) of 0.23 W/m/K was used.
Using the conical funnel, the mixture was formed into a truncated conical pile, with a base diameter of 70 mm, covering the looped ignition wire resting on the low heat conducting plate. The plate was placed in a ventilated area and the test performed at atmospheric pressure with the ambient temperature 20 ± 5 °C.
Power was applied to the ignition wire and was maintained for the duration of the test or for 3 min if the mixture did not ignite and burn. The recorded burning time was taken from when the power was switched on to when the main reaction (e.g. flame, incandescence or glowing combustion) ended. Intermittent reactions, such as sparking or sputtering, after the main reaction were not taken into account. If the heating wire broke during the test, the test was repeated unless breaking of the wire clearly did not affect the result. The test was performed five times on the test item. Five tests were performed with each reference mixture.
The burning time of the test item with cellulose (4:1 and 1:1) was higher than the burning time of the reference mixture of potassium bromate and cellulose (3:7).
Justification for classification or non-classification
The average of the burning times of the mixtures of the test item and cellulose (4:1 and 1:1) was >180 s.
Based on test results, test item does not have to be classified as oxidising solid. In particular:
UN Transport Regulation: test item does not have to be classified as oxidising solid in Division 5.1.
CLP Regulation (EC 1272/2008), Annex 1: 2.14: test item does not have to be classified as oxidising solid.
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