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EC number: 240-383-3 | CAS number: 16291-96-6 An amorphous form of carbon produced by partially burning or oxidizing wood or other organic matter.
- 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
- Endpoint:
- oxidising solids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010-07-01 to 2010-07-01
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted in accordance with EC directive 440/2008, method A.17 "oxidizing properties (solids)", dated 31. May 2008
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.17 (Oxidising Properties (Solids))
- Deviations:
- yes
- Remarks:
- The single determinations of the burning rate differed more than 10% from the respective arithmetic mean because the test item is a natural product and not homogeneous. Also the test item mixtures showed no vigorous reaction.
- Principles of method if other than guideline:
- A preliminary test is carried out in the interests of safety. No further testing is required when the preliminary test clearly indicates that the test substance has oxidising properties. When this is not the case, the substance should then be subject to the full test. In the full test the substance to be tested and a defined combustible substance will be mixed in various ratios.
Each mixture is then formed into a pile and the pile is ignited at one end. The maximum burning rate determined is compared with the maximum burning rate of the reference mixture (barium nitrate with powdered cellulose). - GLP compliance:
- no
Test material
- Reference substance name:
- Charcoal
- EC Number:
- 240-383-3
- EC Name:
- Charcoal
- Cas Number:
- 16291-96-6
- IUPAC Name:
- Carbón vegetal
- Details on test material:
- Name: Charcoal (Probe 1: C-Fix = 73.3%)
Batch no.: 19062009 1PP
Appearance: Charcoal typic
Composition: Charcoal
CAS no.: 16291-96-6
EINECS-no.: 240-383-3
Purity: C-Fix: 73.3%
Expiry date: Dec. 2030
Storage: Room temperature 20±5 °C, keep away from humidity
Constituent 1
Study design
- Contact with:
- powdered cellulose
- Duration of test (contact time):
- >= 124 - <= 4 013 s
Results and discussion
Test results (Oxidising solids)open allclose all
- Sample tested:
- test mixture (not specified)
- Remarks:
- migrated information
- Parameter:
- maximum burning rate
- Result:
- ca. 1.69 other: mm/s (migrated information)
- Sample tested:
- reference mixture (not specified)
- Remarks:
- migrated information
- Parameter:
- maximum burning rate
- Result:
- ca. 1.83 other: mm/s (migrated information)
Any other information on results incl. tables
Observations
All test item mixtures showed no signs of oxidising properties. Even the mixture of the highest burning rate, 10 % test item with 90 % cellulose, burned without any sparkling or fizzling.
Burning rates reference item
In the following table, the measured data of the reference item are presented.
Burning rate of reference item mixtures
% Ba(NO3)2 |
Burning time (s) |
Burning rate (mm/s) |
50 |
139 |
1.44 |
60 |
109 |
1.83 |
70 |
119 |
1.68 |
Burning rates test item
In the following table, the measured data of the test item mixtures are presented.
Burning rate of test item mixtures
% Test item |
Burning time (s) |
Burning rate (mm/s) |
10 |
124 |
1.61 |
20 |
extinction |
|
30 |
extinction |
|
40 |
4013 |
0.05 |
50 |
2975 |
0.07 |
60 |
2829 |
0.07 |
70 |
2280 |
0.09 |
80 |
1691 |
0.12 |
90 |
2015 |
0.10 |
The mixture with 10% test item charcoal (Probe 3: C-Fix = 88.7%) showed the highest burning rate. As this burning rate was lower than the highest burning rate of the reference item mixtures, the determination of burning rate was repeated five times for each of the three mixtures test item/cellulose with the highest burning rates.
Determination of burning rate mixture 10/90% test item / cellulose
Measurement |
Burning time (s) |
Burning rate (mm/s) |
1 (from first performance) |
124 |
1.61 |
2 |
122 |
1.64 |
3 |
126 |
1.59 |
4 |
119 |
1.68 |
5 |
121 |
1.65 |
6 |
118 |
1.69 |
Mean |
125 |
1.64 |
Standard deviation in mm/s |
|
0.04 |
Standard deviation in % |
|
2.46% |
Determination of burning rate mixture 80/20% test item / cellulose
Measurement |
Burning time (s) |
Burning rate (mm/s) |
1 (from first performance) |
1691 |
0.12 |
2 |
1474 |
0.14 |
3 |
1499 |
0.13 |
4 |
1584 |
0.13 |
5 |
1682 |
0.12 |
6 |
1252 |
0.16 |
Mean |
|
0.13 |
Standard deviation in mm/s |
|
0.02 |
Standard deviation in % |
|
11.62% |
Determination of burning rate mixture 90/10% test item / cellulose
Measurement |
Burning time (s) |
Burning rate (mm/s) |
1 (from first performance) |
2015 |
0.10 |
2 |
1495 |
0.13 |
3 |
1572 |
0.13 |
4 |
1470 |
0.14 |
5 |
1445 |
0.14 |
6 |
1320 |
0.15 |
Mean |
|
0.13 |
Standard deviation in mm/s |
|
0.02 |
Standard deviation in % |
|
13.35 |
Applicant's summary and conclusion
- Interpretation of results:
- other: no oxidising properties
- Remarks:
- Migrated information
- Conclusions:
- Based on this test and under the test conditions used, the test item charcoal (Probe 3: C-Fix = 88.7%) is classified as not oxidising.
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