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Diss Factsheets
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EC number: 205-759-3 | CAS number: 150-39-0
- 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
Basic toxicokinetics
Administrative data
- Endpoint:
- basic toxicokinetics in vivo
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study meets generally accepted scientific principles For read-across justification refer to section 13.
Data source
Reference
- Reference Type:
- publication
- Title:
- Depletion of Essential Elements by Calcium Disodium EDTA Treatment in the Dog
- Author:
- Ibim SEM et al.
- Year:
- 1 992
- Bibliographic source:
- Toxicology 73; 229-237
Materials and methods
- Objective of study:
- other: Effects of CaNa2EDTA on the metabolism of Zn, Cu, Mn
- Principles of method if other than guideline:
- The effect of calcium disodium ethylenediaminetetraacetate (CaNa2EDTA) on the metabolism of Zn, Cu and Mn was investigated in mongrel female dogs. Dogs received either CaNa2EDTA subcutaneously or 0.9% NaCl (controls). Urine was collected every 6 h. Tissue samples were obtained from liver, kidney, duodenum, muscle, hair, skin and bone post exsanguination.
- GLP compliance:
- no
Test material
- Reference substance name:
- Sodium calcium edetate
- EC Number:
- 200-529-9
- EC Name:
- Sodium calcium edetate
- Cas Number:
- 62-33-9
- Molecular formula:
- C10H12CaN2O8.2Na
- IUPAC Name:
- calcium disodium 2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate
- Details on test material:
- - Name of test material (as cited in study report): Calcium disodium ethylenediaminetetraacetate (CaNa2EDTA)
- Preparation: disodium EDTA was mixed with equimolar quantities of CaCO3, in water and heated with constant stirring until excess CO2 was expelled and the final solution was adjusted to pH 7.4 with NaOH.
Constituent 1
- Radiolabelling:
- no
Test animals
- Species:
- dog
- Strain:
- other: Mongrel
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Canine Control Center
- Diet: Purina Dog Chow (concentration of Zn, Cu or Mn was 1.25; 0.16; or 0.98 mg/g dry weight, respectively)
- Water: ad libitum
- Acclimation period: 3-4 weeks
ENVIRONMENTAL CONDITIONS
- Temperature: 25°C
Administration / exposure
- Route of administration:
- subcutaneous
- Vehicle:
- water
- Duration and frequency of treatment / exposure:
- 54 h
Doses / concentrations
- Remarks:
- Doses / Concentrations:
280 mg/kg/6 h (original data: 0.75 mmol/kg/6 h)
- No. of animals per sex per dose / concentration:
- 5
- Control animals:
- other: 0.9% sterile NaCl
- Details on dosing and sampling:
- - Body fluids sampled: urine; every 6 h
- Tissues sampled: liver, kidney, upper duodenum (upper small intestine), muscle (thigh), bone (femur), hair and skin.
- Statistics:
- Analysis of variance (ANOVA) and Duncan’s new multiple range test were used to test for differences between groups. Differences between means were tested by two-way unpaired Student’s t-test.
Results and discussion
Toxicokinetic / pharmacokinetic studies
- Details on excretion:
- - CaNa2EDTA to dogs caused a significant increase in urine flow when compared to controls
URINARY EXCRETION OF ZN
- significant increase in the excretion of Zn when compared to control (cumulative excretion within 54 h: 24.92 + /- 0.346 mg compared to 1.58 + /- 0.24 mg in the control)
- Maximal excretion of Zn occurred between 6 and 12 h of treatment (17% of total Zn)
URINARY EXCRETION OF CU
CaNa2EDTA treatment resulted in a significant increase in the excretion of Cu when compared to control (cumulative excretion within 54 h: 0.922 + /- 0.24 mg compared to 0.12 + /- 0.03 mg in the control)
URINARY EXCRETION OF MN
CaNa2EDTA treatment resulted in a significant increase in the excretion of Mn when compared to control (cumulative excretion within 54 h: 0.582 + /- 0.166 mg compared to 0.042 + /- 0.01 mg in the control)
Metabolite characterisation studies
- Metabolites identified:
- no
Any other information on results incl. tables
TISSUE LEVELS OF Zn, Cu AND Mn
- statistically significant decrease in the tissue levels of Zn (small intestine, hair and skin) and Mn (hair) when compared to controls
- statistically significant increase in the concentration of Cu in the kidney when compared to controls
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.
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.