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Diss Factsheets
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EC number: 237-758-9 | CAS number: 13977-56-5
- 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
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Remarks:
- purity, expiry date, batch number, accuracy of the method were not stated
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- yes
- Remarks:
- purity, expiry date, batch number, accuracy of the method were not stated
- GLP compliance:
- not specified
- Type of method:
- other: TGA and DSC
- Melting / freezing pt.:
- > 700 °C
- Decomposition:
- no
- Sublimation:
- no
- Conclusions:
- FeVO4 is thermally stable in air within the measured temperature range from room temperature up to 700 °C.
- Endpoint:
- melting point/freezing point
- Type of information:
- other: secondary source
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- secondary literature
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- In the publication "Reactivity of FeVO4 towards Mg2V2O7 and phase relations in the FeVO4-Mg2V2O7 system up to the solidus line, Bolonska-Tabero, A. and Kurzawa, M. (2005), Ceramics-Silikáty 49 (2), pp.132-137" the information "Iron (III) orthovanadate(V) melts incongruently at 850 °C with a separation of solid α-Fe2O3" from the publication "Walczak, J. et al., Polish J.Chem. (1985) 59, p. 255" was stated.
- GLP compliance:
- not specified
- Type of method:
- other: no data
- Decomposition:
- yes
- Decomp. temp.:
- 850 °C
- Sublimation:
- no
- Conclusions:
- Iron (III) orthovanadate(V) melts incongruently at 850 °C with a separation of solid α-Fe2O3.
Referenceopen allclose all
Thermal stability was analysed using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) curves.
In an air atmosphere the TGA trace shows a 0.4 wt % weight loss between room temperature and 700 °C which is due to the desorption of water and absorbed gases. The DSC trace shows no phase transitions or sample decomposition. These both suggest that FeVO4 is thermally stable in air within the measured temperature range.
In 5 % H2/Ar the TGA Trace shows no significant weight loss up to 550 °C, at which weight loss begins to occur. This corresponds which sharp increase in heat flow on the DSC trace suggesting that the weight loss is exothermic. The total weight loss after reduction is approximately 12 wt % and is likely to be due to the loss of oxygen from compound decomposition.
Iron (III) orthovanadate(V) melts incongruently at 850 °C with a separation of solid α-Fe2O3.
Description of key information
Iron vanadium tetraoxide is thermally stable in air up to 700 °C (Cowing, 2011). According to Blonska-Tabero (2005), iron vanadium tetraoxide melts incongruently at 850 °C with a separation of solid α-Fe2O3.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 850 °C
Additional information
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.