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EC number: 232-219-4 | CAS number: 7790-75-2
- 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
General Information
- Name:
- Calcium wolframate
- Remarks:
Conclusions on classification:
Regarding the classification as "hazardous to the aquatic environment", aquatic toxicity studies with calcium wolframate are not available, thus aquatic toxicity is addressed with existing data on the dissociation products calcium cations and wolframate anions (see also endpoint summary "Aquatic toxicity").Acute toxicity: Calcium is naturally ubiquitous in the environment and essential for living organisms with a very low potential for toxicity to freshwater and saltwater organisms. Adverse effects are lacking up to and including the respective OECD/EC guidelines limit concentrations. Reliable acute aquatic toxicity data of wolframate are available from guideline studies for algae and daphnia, and are well above the classification cut-off for acute (short-term) aquatic hazard category 1.
Therefore, calcium wolframate does not meet classification criteria as short-term hazard to the aquatic environment under Regulation (EC) No 1272/2008.
Long-term toxicity: Calcium is naturally ubiquitous in the environment and essential for living organisms with a very low potential for toxicity to freshwater and saltwater organisms Chronic aquatic toxicity data of wolframate are available from a guideline studies for algae, and the 72-h NOErC and ErC10 values for the inhibition of growth rate of P. subcapitata were estimated with <10.9 mg sodium wolframate/L. Since the corresponding EC50 value is > 50 mg/L, we may assume that the respective EC10 value is > 1 mg/L and above the classification cut-off values for long-term aquatic hazard category 1 -3. Since the wolframate content of sodium and calcium wolframate is comparable and sodium wolframate (742 g/L in water; CRC handbook, 2008) is more soluble than calcium wolframate (6.4 mg/L in water), the effect concentrations are considered a conservative estimate for calcium woframate. Criteria for classification in category 4 are also not met.
Thus, calcium wolframate does not meet classification criteria as acute and long-term hazard to the aquatic environment under Regulation (EC) No 1272/2008 and subsequent adaptations.
Classificationopen allclose all
Explosives
- Reason for no classification:
- data conclusive but not sufficient for classification
Flammable gases and chemically unstable gases
- Reason for no classification:
- data conclusive but not sufficient for classification
Aerosols
- Reason for no classification:
- data conclusive but not sufficient for classification
Oxidising gases
- Reason for no classification:
- data conclusive but not sufficient for classification
Gases under pressure
- Reason for no classification:
- data conclusive but not sufficient for classification
Flammable liquids
- Reason for no classification:
- data conclusive but not sufficient for classification
Flammable solids
- Reason for no classification:
- data conclusive but not sufficient for classification
Self-reactive substances and mixtures
- Reason for no classification:
- data conclusive but not sufficient for classification
Pyrophoric liquids
- Reason for no classification:
- data conclusive but not sufficient for classification
Pyrophoric solids
- Reason for no classification:
- data conclusive but not sufficient for classification
Self-heating substances and mixtures
- Reason for no classification:
- data conclusive but not sufficient for classification
Substances and mixtures which in contact with water emit flammable gases
- Reason for no classification:
- data conclusive but not sufficient for classification
Oxidising liquids
- Reason for no classification:
- data conclusive but not sufficient for classification
Oxidising solids
- Reason for no classification:
- data conclusive but not sufficient for classification
Organic peroxides
- Reason for no classification:
- data conclusive but not sufficient for classification
Corrosive to metals
- Reason for no classification:
- data conclusive but not sufficient for classification
Desensitized explosives
- Reason for no classification:
- data conclusive but not sufficient for classification
Acute toxicity - oral
- Reason for no classification:
- data conclusive but not sufficient for classification
Acute toxicity - dermal
- Reason for no classification:
- data conclusive but not sufficient for classification
Acute toxicity - inhalation
- Reason for no classification:
- data conclusive but not sufficient for classification
Skin corrosion / irritation
- Reason for no classification:
- data conclusive but not sufficient for classification
Serious eye damage / eye irritation
- Reason for no classification:
- data conclusive but not sufficient for classification
Respiratory sensitisation
- Reason for no classification:
- data conclusive but not sufficient for classification
Skin sensitisation
- Reason for no classification:
- data conclusive but not sufficient for classification
Aspiration hazard
- Reason for no classification:
- data conclusive but not sufficient for classification
Reproductive toxicity
- Reason for no classification:
- data conclusive but not sufficient for classification
Effects on or via lactation
- Reason for no classification:
- data conclusive but not sufficient for classification
Germ cell mutagenicity
- Reason for no classification:
- data conclusive but not sufficient for classification
Carcinogenicity
- Reason for no classification:
- data conclusive but not sufficient for classification
1. Specific target organ toxicity - single (STOT-SE)
- Reason for no classification:
- data conclusive but not sufficient for classification
1. Specific target organ toxicity - repeated (STOT-RE)
- Reason for no classification:
- data conclusive but not sufficient for classification
Hazardous to the aquatic environment (acute / short-term)
- Reason for no classification:
- data conclusive but not sufficient for classification
Hazardous to the aquatic environment (long-term)
- Reason for no classification:
- data conclusive but not sufficient for classification
Hazardous to the ozone layer
- Reason for no classification:
- data conclusive but not sufficient for classification
Labelling
- Signal word:
- No signal word
Notes
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.