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EC number: 619-020-1 | CAS number: 94361-06-5
- 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
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:
- 29 Jun 1985 to 30 Jun 1985
- 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:
- Dec 1992
- GLP compliance:
- yes (incl. QA statement)
- Contact with:
- powdered cellulose
- Duration of test (contact time):
- 10 min
- Key result
- Sample tested:
- reference mixture as specified
- Remarks:
- test substance/cellulose mixtures (ratio 10/90 to 60/40)
- Parameter:
- burning time of reaction over a distance of 200 mm
- Remarks on result:
- mixture does not ignite and burn
- Sample tested:
- reference mixture as specified
- Remarks:
- barium nitrate/cellulose 60:40 (w/w)
- Parameter:
- burning rate
- Result:
- 3.39 mm/s
- Remarks on result:
- other: fastest burning rate of tested reference mixtures
- Sample tested:
- 1:1 sample-to-cellulose ratio
- Parameter:
- burning rate
- Result:
- 4.08 mm/s
- Remarks on result:
- result suspected of being a false positive
- Sample tested:
- reference mixture as specified
- Remarks:
- 100 % cellulose
- Parameter:
- burning rate
- Remarks on result:
- other: does not ignite
- Sample tested:
- reference mixture as specified
- Remarks:
- barium nitrate/cellulose 70/30 (w/w)
- Parameter:
- burning time of reaction over a distance of 200 mm
- Result:
- 40 s
- Remarks on result:
- sparking
- Remarks:
- Also smoking
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The burning behaviour of the cellulose/test substance mixtures is characteristic for non-oxidising substances. It was considered that in the main study a "false positive" effect was found. In an additional test it was found that the test substance/cellulose mixtures could not sustain a burning reaction in an inert atmosphere. From these results, it was concluded that in the main study a "false effect" was found.
- Executive summary:
The determination of the oxidising properties of test substance was performed in accordance EU method A.17 and in compliance with GLP On the main study, the test substance/cellulose mixtures containing 20 – 60 % test substance had a burning rate comparable or faster than the fastest In accordance to the criteria of the directive, the test substance may be concluded to have oxidising properties. But, the burning behaviour of the tested cellulose/test substance mixtures differed significantly from the burning behaviour of tested references (combustion of the cellulose/test substance· piles was observed at the surface of the piles and combustion of the cellulose/barium nitrate was observed through the whole pile). The burning behaviour of the cellulose/test substance mixtures is characteristic for non-oxidising substances. It was considered that in the main study a "false positive" effect was found. In an additional test it was found that the test substance/cellulose mixtures could not sustain a burning reaction in an inert atmosphere. From these results, it was concluded that in the main study a "false effect was found. The substance was not considered to be oxidising
Reference
REFERENCES
- A summary of the results of the reference mixtures is outlined in Table 1 (see below). The reference mixtures burned with an orange/green/yellow flame (height 1 - 7 cm, width 2 - 6 cm) emitting sparks and smoke. Combustion was observed through the whole pile. The fastest burning reference mixture was barium nitrate/cellulose 60/40 (w/w), with a burning rate of 3.39 mm/s.
TEST SUBSTANCE
- A summary of the results of the test substance/cellulose mixtures is outlined in Table 2 (see below). Combustion of the tested test substance/cellulose piles was observed at the surface of the piles. The burning rate of the test substance/cellulose mixtures was calculated by measuring the propagation of the flames on top of the pile:
- Ratio 10/90 to 30/70: The mixtures burned with a yellow flame (height: 1 - 4 cm, width: whole pile).
- Ratio 40/60: The mixtures burned with a yellow flame (height: 1 - 3 cm, width: whole pile) emitting black smoke.
- Ratio 50/50 to 80/20: The mixtures burned with a yellow flame (height: 3 - 6 cm, width: whole pile) emitting black smoke.
- Ratio 90/10: In contact with the ignition source, the test substance melted. The melted test substance burned with a yellow flame (height: 2 - 5 cm, width: 3 - 6 cm). After 10 minutes, the test was terminated.
Table 1 Burning rate versus reference composition
Barium nitrate/cellulose mixture (weight/weight ratio) |
Burning time over 200 mm (s) |
Burning rate (mm/s) |
30/70 |
90 |
2.22 |
40/60 |
79 |
2.53 |
50/50 |
83 |
2.41 |
60/40 |
59 |
3.39 |
Table 2. Burning rate versus sample composition
Test substance/cellulose mixture (weight/weight ratio) |
Burning time over 200 mm (s) |
Burning rate (mm/s) |
10/90 |
71 |
2.82 |
20/80 |
63 |
3.17 |
30/70 |
59 |
3.39 |
40/60 |
54 |
3.70 |
50/50 |
49 |
4.08 |
60/40 |
56 |
3.57 |
70/30 |
78 |
2.56 |
80/20 |
1351 |
1.14 |
90/10 |
** |
** |
** No burning time could be determined, because the mixture did not burn over 200 mm. After 10 minutes the burning distance was 15 cm.
ADDITIONAL TEST
The 100 % cellulose pile could not be ignited. The barium nitrate/cellulose mixture (ratio 70/30) burned and emitted smoke and sparks. The pile burned approximately 40 seconds. The test substance/cellulose mixtures (ratio 10/90 to 60/40) could not be ignited.
DISCUSSION
In the main study, the test substance/cellulose mixtures containing 20 – 60 % test substance had a burning rate comparable or faster than the fastest burning rate of the reference mixture.
In accordance to the criteria of the directive, the test substance may be concluded to have oxidising properties. But, the burning behaviour of the tested cellulose/test substance mixtures differed significantly from the burning behaviour of tested references (combustion of the cellulose/test substance piles was observed at the surface of the piles and combustion of the cellulose/barium nitrate was observed through the whole pile).
The burning behaviour of the cellulose/test substance mixtures is characteristic for non-oxidising substances. It was considered that in the main study a "false positive" effect was found. In the additional test it was found that the test substance/cellulose mixtures could not sustain a burning reaction in an inert atmosphere. From these results, it was concluded that in the main study a "false positive" effect was found. In conclusion, the test substance has no oxidising properties.
Description of key information
The test substance is not an oxidising substance, EU Method A.17, Krips 1995.
Key value for chemical safety assessment
- Oxidising properties:
- non oxidising
Additional information
Justification for classification or non-classification
Based on the available information, classification on oxidising properties is not warranted in accordance with EU Classification, Labelling and Packaging of Substances and Mixtures (CLP) Regulation No. (EC) 1272/2008.
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.
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