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EC number: 932-833-9 | CAS number: -
- 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
Additional ecotoxological information
Administrative data
- Endpoint:
- additional ecotoxicological information
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- A non-standard study of the amelioration of heavy metal toxicity on primary productivity of aquatic ecosystems by Calcium, Magnesium and Iron. The study does not relate directly to any of the standard short- or long-term toxicity endpoints that are assessed under REACH.
Data source
Referenceopen allclose all
- Reference Type:
- publication
- Title:
- No information
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The inufluence of three heavy metals (copper, cadmium and nickel) and three common metals (calcium, magnesium and iron) on the productivity of two aquatic bodies was evaluated. Only the effects of ferric ammonium citrate are considered in this summary.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Reaction mass of ammonium iron(III) citrate and ammonium sulphate
- EC Number:
- 932-833-9
- IUPAC Name:
- Reaction mass of ammonium iron(III) citrate and ammonium sulphate
Constituent 1
Results and discussion
Any other information on results incl. tables
Fe+++ as ferric ammonium citrate reduced productivity of both water bodies. EC50 values were 28.18 mg/L for gross and net productivity in the freshwater tank water, and 35.48 and 31.6 mg/L for gross and net productivity, respectively, in the stabilization pond water. Thus, the effects were more evident in the freshwater tank where productivity was decreased by 12% and 94% on exposure to concentrations of 5 and 100 mg/L Fe+++ respectively.
Though Fe alone reduced productivity, it decreased Cu toxicity, probably through chelation. Similarly, a decrease in Cd toxicity was evident following addition of Fe, Cd toxicity being decreased to a lesser extent in lower concentrations of Cd while at higher (20 and 40 mg Cd/L) concentrations the beneficiary effect of Fe was prominent.
Applicant's summary and conclusion
- Conclusions:
- Addition of Ferric ammonium citrate to two freshwater bodies decreased primary productivity. The effects were most marked in a freshwater tank where 12% and 94% reductions were observed following exposure to 5 and 100 mg/L F e+++ respectively. An EC50 value of 28.18 mg/L has been determined for effects on gross and net productivity in the freshwater tank water, and EC50 values of 35.48 and 31.6 mg/L have been determined for effects on gross and net productivity in stabilization pond water.
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