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Diss Factsheets
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EC number: 256-852-0 | CAS number: 50925-66-1
- 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
Toxicity to terrestrial plants
Administrative data
- Endpoint:
- toxicity to terrestrial plants: short-term
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 21 days
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Justification for type of information:
- Peer-reviewed publication
Data source
Reference
- Reference Type:
- publication
- Title:
- Some effects of chromium toxicity on bush beans
- Author:
- A. Wallace, S. M. Soufi, J. W. Cha and E. M. Romney
- Year:
- 1 976
- Bibliographic source:
- Plant and Soil Vol. 44, No. 2 (APRIL 1976), pp. 471-473
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Version / remarks:
- Followed accepted scientific principles.
- Principles of method if other than guideline:
- Bush beans (Phaseolus vulgaris) were grown in a glasshouse in a loam soil or in a nutrient solution containing chromium sulphate.
The concentrations in leaves were measured as part of an assessment of uptake.
The toxicity was measured in terms of vigour and in terms of yield. - GLP compliance:
- no
Test material
- Reference substance name:
- chromium sulfate
- IUPAC Name:
- chromium sulfate
- Details on test material:
- - Name of test material (as cited in study report): chromium sulfate- Molecular formula (if other than submission substance): Cr2(SO4)3
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
- Remarks:
- Emission spectrography
Test substrate
- Vehicle:
- yes
- Details on preparation and application of test substrate:
- Supplied in water
Test organisms
- Species:
- Phaseolus vulgaris
- Plant group:
- Dicotyledonae (dicots)
Study design
- Test type:
- vegetative vigour test
- Study type:
- laboratory study
- Substrate type:
- natural soil
- Limit test:
- no
- Total exposure duration:
- 18 d
- Remarks:
- 18 days in soil; parallel test in growth media extended to 21 days
Test conditions
- Details on test conditions:
- Glasshouse trials.
- Nominal and measured concentrations:
- 0, 50, 100 ppm in soil as Cr2SO4 (0, 50, 100 mg/kg)
0, 0.00001 M and 0.0001 M Cr2SO4 in growth media test (0, 3.92 mg/l and 39.2 mg/l)
Results and discussion
Effect concentrations
- Key result
- Species:
- Phaseolus vulgaris
- Duration:
- 21 d
- Dose descriptor:
- LOEC
- Effect conc.:
- ca. 100 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- phytotoxicity
- Remarks on result:
- other: In presence of EDTA
- Details on results:
- In liquid growth media, the lowest concentration 3.92 mg/l show reduction in plant vigour when presented with chelating agents.
Without chelating agent EDTA, uptake was minimal with a significantly lower toxicity noted.
Applicant's summary and conclusion
- Conclusions:
- Chromium III does reduce plant growth when absorption is enhanced through use of a chelating agent.
It is noted that chromium is not considered an essential element in plants, but there is natural uptake under normal environmental conditions.
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