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Diss Factsheets
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EC number: 910-697-1 | CAS number: -
- 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
Flash point
Administrative data
- Endpoint:
- flash point of flammable liquids
- Data waiving:
- study technically not feasible
- Justification for data waiving:
- the study does not need to be conducted because the substance is inorganic
- the study does not need to be conducted because the flash point is only relevant to liquids and low melting point solids
- Justification for type of information:
- JUSTIFICATION FOR DATA WAIVING
In accordance with column 2 of REACh Annex VII 7.9, the study does not need to be conducted if the substance is inorganic.
As presented under Section 1, the substance is a Reaction mass of three inorganic calcium salts (fluoride, sulfate, and carbonate, the last being also considered as inorganic, though it contains carbon).
Moreover, Flash Point testing is only applicable to substances which are liquids, or evolve to liquids within the classification range, i.e. up to 60°C considering CLP criteria. As presented under Sections 4.1 and 4.2, the substance,is a solid with melting expected in the range 825 - 1460°C, after moisture vaporisation followed by deocmposition of one consituent.
Please refer to Flammability under 4.13 for relevant data for classification purpose of a solid.
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Flammability:
- not classified
Based on information on the consituents of the test substance (calcium fluoride, calcium carbonate and calcium sulphate) and information on the test substance it self, we can concluded that the test substante is not classified regarding flammable hazard regarding flammability according to GHS criteria (flammable solid, not a self-heating, pyrophoricity; flammable if contact with water)
No experimental study is available on the registered reaction mass.
However, data is available for the three constituents, and considered sufficient for hazard assessment.
Calcium fluoride is considered as non-flammable from literature. Calcium sulfate is recommended for low hazard to fire in construction products. For calcium carbonate, a fully reliable experimental study shows no ignition if contact with a flame. No reaction is expected between the salts to form new species. Therefore the reaction mass is not anticipated to be a flammable solid.
In addition, based on high melting point for calcium fluoride and sulfate, and on fully reliable experimental study, negative, on carbonate, no self-heating is anticipated for the reaction mass either.
Based on experience, no pyrophoric properties, or release of flammable gas if contact with water, are anticipated with the registered reaction mass, therefore these studies were deemed unnecessary.
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Endpoint:
- flammable solids
- Type of information:
- not specified
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Remarks:
- Authoritative source, peer reviewed.
- Principles of method if other than guideline:
- No details.
- GLP compliance:
- not specified
- Interpretation of results:
- not classified based on GHS criteria
- Executive summary:
Calcium fluoride is not expected to be a flammable solid, from reliable literature data.
Calcium fluoride is not combustible. (ICSC)
Fluorides are non-flammable compounds. (INRS toxicolological sheet on alkali and alkaline-earth fluorides)
).
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Endpoint:
- flammable solids
- Data waiving:
- study waived due to provisions of other regulation
- Justification for data waiving:
- other:
- Justification for type of information:
- JUSTIFICATION FOR DATA WAIVING
Calcium sulfate (gypsum) is listed in Annex of Commission Decision 96/603/EC as a Class A (‘No contribution to fire’) material. According to Article 1 of the Decision, the materials, and products made from them, that are listed in the Annex of the Decision, shall, on account of their low level of combustibility and subject to the conditions also set out in the Annex, be classified in Classes A (‘No contribution to fire’) as provided for in tables 1 and 2 of the Annex to Decision 94/611/EC on construction products. As such, flammability testing is deemed unnecessary for calcium sulfate.
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Endpoint:
- flammable solids
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 12 May 2010 to 02 June 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- GLP guideline study
- Qualifier:
- according to guideline
- Guideline:
- UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
- Version / remarks:
- UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, 4th revised edition, 2003
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- The nano form of calcium carbonate was tested because this form was anticipated to represent the worst case due to the smaller size of the particles and therefore the greater surface area exposed to heat.
- Test procedure:
- burning rate test: preliminary screening test
- Remarks on result:
- substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period
- Interpretation of results:
- not classified based on GHS criteria
- Conclusions:
- Not classified as a flammable solid, based on CLP criteria.
- Executive summary:
Calcium carbonate (nano) failed to ignite in the UN N1 preliminary screening test.
The result of the preliminary screening test obviated the need to perform the main test.
Data source
Materials and methods
Results and discussion
Applicant's summary and conclusion
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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