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EC number: 407-130-0 | CAS number: 65232-89-5 BP AMOCO IV; E-326 CATALYST; KAT MSA; MSA-KATALYSATORTABLETTEN
- 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
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 12 March - 17 May 1991
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- The study was performed according to OECD TG 202 and according to GLP principles. However, the analytical results were very variable and considered not reliable. This is probably due to the direct loading of the test substance to the test media. In this study, also physical effects play a role due to undissolved particles. No data was present on any positive control substance tested.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 991
- Report date:
- 1991
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Deviations:
- yes
- Remarks:
- : no info on positive control
- GLP compliance:
- yes
Test material
- Reference substance name:
- Divanadyl pyrophosphate
- EC Number:
- 407-130-0
- EC Name:
- Divanadyl pyrophosphate
- Cas Number:
- 65232-89-5
- Molecular formula:
- (VO)2P2O7
- IUPAC Name:
- (phosphonooxy)phosphonic acid dihydrate vanadium
- Details on test material:
- - Name of test material (as cited in study report): E-326 catalyst
- Substance type: fine grey/green powder
- Physical state: solid
- Analytical purity: 96%
- Composition of test material, percentage of components: 29.20% vanadium; P/V mole ratio 1.08; Zn/V ratio 0.00036; V oxidation state 4.18
- Purity test date: not indicated
- Lot/batch No.: 326-104
- Expiration date of the lot/batch: not indicated
- Stability under test conditions: not indicated
- Storage condition of test material: at ambient temperature in original container
- Other: the substance is identified as Trilobe III catalyst composite of E326-104. The material is milled and passed through a 40 mesh sieve (i.e. ca. 425 µm), so the particle size of the material is <425 µm. Tablet weight: 0.046 g. Tablet length: 4.06 mm. Surface area: 23 m2/g. Bulk density 0.75 g/cm3
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
Test solutions
- Vehicle:
- no
- Details on test solutions:
- The test media were prepared by direct addition of the appropriate weights of the test material to dilution water (i.e. blend of tap water filtered through activated carbon and tap water softened and treated by reverse osmosis). They were treated by sonication for 10 min and then shaken for 1 h before use. No pH adjustment and no filtration to remove undissolved particles.
Test organisms
- Test organisms (species):
- Daphnia magna
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 48 h
Test conditions
- Nominal and measured concentrations:
- Nominal exposure concentrations (based on total test material): 0.3, 0.6, 1.25, 2.5, 5.0 and 10 mg/L.
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 0.658 mg/L
- Nominal / measured:
- meas. (geom. mean)
- Conc. based on:
- element
- Remarks:
- V (filtered 2 µm)
- Basis for effect:
- mobility
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 2 mg/L
- Nominal / measured:
- meas. (geom. mean)
- Conc. based on:
- test mat. (dissolved fraction)
- Remarks:
- filtered (2 µm)
- Basis for effect:
- mobility
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 10 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat. (total fraction)
- Basis for effect:
- mobility
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.3 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat. (total fraction)
- Basis for effect:
- mobility
- Remarks on result:
- other: Measured total concentration 0.173 mg/L
Any other information on results incl. tables
At the highest concentration tested (i.e. 10 mg/L) 50% of the daphnids were immobile. At this concentration approx. 20% of the substance was analytically determined after filtration (2 µm). Analysing the concentration of unfiltered samples at 0 and 48 hours showed a difference (12.3 mg/L and 2.2 mg/L, respectively) which was not shown in the filtered samples.
Achieved concentrations in filtered samples were lower than intended (between 6 - 58% of nominal). Measured levels in unfiltered samples ranged from 32 - 123% of nominal but showed a dose-related trend. After 48h, no test material was detected at the three lowest levels. At 2.5, 5 and 10 mg/L measured concentration in filtered samples had been maintained or increased. Measured values for unfiltered samples at these levels showed a decrease.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- In this static acute Daphnia test, the 48h-EC50 was found to be 10 mg/L, based on the nominal concentration of the test material. The analytical determination of the test substance at 0 and 48h of filtered and unfiltered samples is very variable and therefore considered not reliable. The variability is probably caused by the direct loading of the test material to the test media.
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