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EC number: 237-257-5 | CAS number: 13709-49-4
- 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

Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 22 August 2017 - 20 November 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- column elution method
Test material
- Reference substance name:
- Yttrium trifluoride
- EC Number:
- 237-257-5
- EC Name:
- Yttrium trifluoride
- Cas Number:
- 13709-49-4
- Molecular formula:
- YF3
- IUPAC Name:
- yttrium trifluoride
- Test material form:
- solid: particulate/powder
- Details on test material:
- - Name of test material (as cited in study report): yttrium trifluoride
- Physical state: solid
- Appearance: white powder
- Further information on test material confidential.
Constituent 1
Results and discussion
Water solubilityopen allclose all
- Key result
- Water solubility:
- < 0.03 mg/L
- Conc. based on:
- element (dissolved fraction)
- Remarks:
- Y
- Temp.:
- 20 °C
- pH:
- 6
- Remarks on result:
- other: Expressed as yttrium content in water; mean at flow rates of 12.5 mL/h and 25 mL/h.
- Key result
- Water solubility:
- < 0.1 mg/L
- Conc. based on:
- test mat. (dissolved fraction)
- Remarks:
- Result calculated based on dissolved Y measurements.
- Temp.:
- 20 °C
- pH:
- 6
- Remarks on result:
- other: Mean at flow rates of 12.5 mL/h and 25 mL/h.
- Details on results:
- Results were validated by:
- Linearity validation: The analysis showed a good linearity of the method (r > 0.99).
- Accuracy validation: Results in dilution mixture showed a good accuracy which indicates acceptable data (recoveries ranged between 70 and 110%).
- Repeatability validation: The results indicated a good precision of the data (RSD < 20%).
- Specificity: The intensity (CPS) of blank samples measured was negligible.
- Limit of quantification: 0.015 mg Y/L
- Limit of detection: 0.005 mg Y/L
Any other information on results incl. tables
Results of the preliminary test with milliQ water and at pH 6 were:
Amount of test item weighed (g) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.01 |
Volume of water added (mL) | 0.1 | 0.5 | 1 | 2 | 10 | 100 | 1000 |
Solubility (yes/no) | No | No | No | No | No | No | No (after > 96 h of agitation of the test solution) |
Results of the main test:
|
Solubility expressed as yttrium content in water (mg/L) |
Solubility of yttrium fluoride in water (mg/L) |
Mean pH measured |
Temperature (°C) |
Test 1 (flow 25 mL/h) |
< 0.02 |
< 0.03 |
6 |
20 |
Test 2 (flow 25 mL/h) |
0.03 | 0.05 | 6 | 20 |
Mean (Test 1 and Test 2) | < 0.03 | < 0.05 | 6 | 20 |
Test 3 (flow 12.5 mL/h) |
0.03 |
< 0.05 |
6 |
20 |
Mean (12.5 mL/h and 25 mL/h) |
< 0.03 | < 0.05 rounded at < 0.1 | 6 | 20 |
Applicant's summary and conclusion
- Conclusions:
- The water solubility of yttrium trifluoride was determined to be < 0.1 mg/L at pH 6 and at 20°C. This result was calculated from the measured yttrium content in water which was < 0.03 mg/L (column elution method).
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