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EC number: 600-039-9 | CAS number: 10023-48-0
- 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:
- 02 Sep - 09 Sep 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.17 (Oxidising Properties (Solids))
- Version / remarks:
- adopted in 2008
- Deviations:
- no
- GLP compliance:
- no
- Specific details on test material used for the study:
- Storage conditions: Ambient temperature (10 to 30 °C)
- Contact with:
- powdered cellulose
- Sample tested:
- test mixture as specified
- Remarks:
- test item and cellulose 2:1
- Parameter:
- preliminary test
- Remarks on result:
- mixture does not ignite and burn
- Remarks:
- Only local charring seen
- Sample tested:
- test mixture as specified
- Remarks:
- barium nitrate/cellulose 2:1
- Parameter:
- preliminary test
- Remarks on result:
- other: 3 test mixtures burned down completely in 68, 64 and 70 s
- Sample tested:
- reference mixture as specified
- Remarks:
- barium nitrate with cellulose with different wt. % oxidizer
- Parameter:
- maximum burning rate
- Result:
- 1.34 mm/s
- Remarks on result:
- other: result found for mixture with 55 wt. % oxidizer
- Sample tested:
- test mixture as specified
- Remarks:
- cellulose with 10 wt % test item
- Parameter:
- burning time of reaction over a distance of 200 mm
- Remarks on result:
- other: mixture extinguished in preliminary burning phase
- Sample tested:
- test mixture as specified
- Remarks:
- cellulose with 20, 30, 60, 90 wt % test item
- Parameter:
- burning time of reaction over a distance of 200 mm
- Remarks on result:
- other: mxiture could not be ingited, only local charring seen
Reference
Results
Preliminary test
Three test mixtures of test item and cellulose 2:1 did not burn, they
showed local charring in contact with the ignition source.
Three test mixtures of barium nitrate/cellulose 2.1 burned down
completely in 68, 64 and 70 s, respectively.
Main Test
Four tests were done for the reference mixture (barium nitrate and
cellulose) with 50, 55, 60 and 70 wt. % oxidizer (barium nitrate).
Table 1 – Burning times and rates of reference mixtures
Barium nitrate [wt. %] |
Burning time over 200 mm [s] |
Burning rate [mm/s] |
50 |
196 |
1.02 |
55 |
149 |
1.34 |
60 |
152 |
1.32 |
70 |
206 |
0.97 |
The highest burning rate of 1.34 mm/s was found for the
mixture with 55 wt. % oxidizer.
Mixtures of test item with cellulose were prepared in between 10 and 90 wt. % of the test item (Table 2).
Table 2 – Burning times and rates of test item mixtures
Test item [%] |
Burning time over 200 mm [s] |
Burning rate [mm/s] |
10 |
Mixture extinguished in the preliminary burning phase |
--- |
20 |
Mixture could not be ignited, only local charring was seen. |
|
30 |
||
60 |
||
90 |
As the maximum burning rate of the test item and cellulose mixtures did not burn and is much lower than the maximum burning rate of the reference mixture, the “fastest” mixtures were only repeated twice to verify these values (Table 3 ).
Table 3 – Burning times and rates of fastest test item mixtures
Test |
t [s] |
V [mm/s] |
t [s] |
V [mm/s] |
t [s] |
V [mm/s] |
10% |
Mixture extinguished in the preliminary burning phase. |
|||||
20% |
Mixture could not be ignited, only local charring seen. |
|||||
30% |
Discussion
The behavior upon contact with the ignition flame was the same as in the
first test for all mixtures (Table 2 ). No propagation over the burning
distance could be seen.
The maximum burning rate of test item and cellulose mixtures was lower than that of the reference mixture of cellulose with barium nitrate (1.34 mm/s).
Conclusion
The test item has no oxidizing properties.
Description of key information
Non oxidizing solid (EU Method A.17.)
Key value for chemical safety assessment
- Oxidising properties:
- non oxidising
Additional information
No propagation over the burning distance was seen. The maximum burning rate of test item and cellulose mixtures was lower than that of the reference mixture of cellulose with barium nitrate (1.34 mm/s).
Justification for classification or non-classification
The available data on oxidizing properties of the test substance do not meet the criteria for classification according to Regulation (EC) 1272/2008 or Directive 67/548/EEC, and are therefore conclusive but not sufficient for classification: The maximum burning rate of the test mixture was less than that of the reference mixture (barium nitrate and cellulose 2:1) in a test according to the EU method A.17.
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