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EC number: 930-915-9 | CAS number: 1318-02-1
- 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
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
- Reason / purpose for cross-reference:
- read-across source
- Qualifier:
- according to guideline
- Guideline:
- other: EPA-660/3-75-009
- Version / remarks:
- 1975
- Deviations:
- not specified
- Principles of method if other than guideline:
- static test, 10 fish per species, 96-hour exposure
- GLP compliance:
- not specified
- Specific details on test material used for the study:
- Type-A zeolite
- Analytical monitoring:
- yes
- Details on sampling:
- Actual test concentrations of zeolite were measured during all partial and full chronic studies with macroinvertebrates and fish by digesting the aluminosilicate to molybdate-reactive silica after APHA.
- Details on test solutions:
- The unexchanged sodium form of zeolite was used during all marine tests since the abundance of metal ions in ambient seawater greatly exceeds the complexing capacity of zeolite to significantly alter these metal concentrations.
- Test organisms (species):
- other: Lagodon rhomboides
- Details on test organisms:
- Pinfish, Lagodon rhomboides, 30-45 mm standard length, were collected from Big Lagoon, Pensacola, Fla. All test animals were acclimated to laboratory test conditions in natural seawater (salinity of 24%o and pH 8.0 ± 0.5) for a minimum of seven days prior to testing.
- Test type:
- static
- Water media type:
- saltwater
- Total exposure duration:
- 96 h
- pH:
- 8.0 +/- 0.5
- Salinity:
- 2.4 %
- Nominal and measured concentrations:
- 780 mg/l
- Reference substance (positive control):
- no
- Key result
- Duration:
- 96 h
- Dose descriptor:
- LC0
- Effect conc.:
- >= 780 mg/L
- Nominal / measured:
- not specified
- Basis for effect:
- mortality (fish)
- Details on results:
- Pin fish, Lagodon rhomboides, exhibited no mortality in test concentrations of Type-A zeolite up to 780 mg/L. After 96 h of exposure to the test material, continuously stirred in static seawater with aeration, there were no deaths in any test concentration or control.
- Validity criteria fulfilled:
- not specified
- Conclusions:
- Pinfish, Lagodon rhomboides, exhibited no mortality in test concentrations of Type-A zeolite up to 780 mg/L. After 96 h of exposure to the test material, continuously stirred in static seawater with aeration, there were no deaths in any test concentration or control.
- Executive summary:
The saltwater specie pinfish was exposed to type A zeolite for 96 hours.
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- other: EPA-660/3-75-009
- Version / remarks:
- 1975
- Deviations:
- not specified
- Principles of method if other than guideline:
- static test, 10 fish per species, 96-hour exposure
- GLP compliance:
- not specified
- Specific details on test material used for the study:
- Type-A zeolite
- Analytical monitoring:
- yes
- Details on sampling:
- Actual test concentrations of zeolite were measured during all partial and full chronic studies with macroinvertebrates and fish by digesting the aluminosilicate to molybdate-reactive silica after APHA.
- Details on test solutions:
- To avoid the effects of hardness ion depletion during all freshwater tests, including acutes, longer-term chronics and critical life stage testing, the zeolite used in these tests was pre-exchanged with Ca2+, Mg2+, Na+, and K+ ions. A 100-L batch of reconstituted water was prepared at 100x recommended salt concentrations. A 500-g sample of zeolite was added, mixed for 1 h, and allowed to settle. Three subsequent suspensions were mixed with new batches of reconstituted water until no further depletion in total hardness of Ca2+ concentration was
recorded. Atomic absorption analyses of the zeolite at this time indicated that 90% existed in the Ca2+ exchanged form with a total of 10% as Mg2+, Na+, and K+ salts. This exchange was deemed appropriate to model the environmental form of zeolite since it is highly unlikely that the sodium form of zeolite would predominate in natural surface waters. - Test organisms (species):
- other: Lepomis macrochirus, Salmo gairdneri, Ictalurus punctatus, Pimephales promelas
- Details on test organisms:
- Bluegill, Lepomis macrochirus, were acquired from a commercial hatchery in Nebraska and had a mean wet weight and standard length of 1.0 g and 35 mm, respectively. Rainbow trout, Salmo gairdneri, were obtained from a hatchery in Massachusetts and had a mean wet weight of 1.2 g and mean standard length of 56 mm. Channel catfish, Ictalurus punctatus, were acquired from a commercial producer in Missouri and had a mean wet weight and standard length of 0.9 g and 50 mm, respectively. Fathead minnows, Pimephales promelas, were obtained from a hatchery in Arkansas and had a mean wet weight of 1.3 g and a mean standard length of 53 mm. The test animals were held in laboratory holding facilities for at least 30 days prior to testing; during this period fish were fed once daily with commercial trout chow, mortality was less than 2%, and no mortality was observed during the 48 h immediately prior to testing.
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 96 h
- Hardness:
- 35.0 mg/L CaCO3
- Test temperature:
- 12 ± 1 °C for the rainbow trout
21 ± 1 °C for the remaining species - pH:
- 7.1
- Dissolved oxygen:
- above 6.0 mg/L
- Nominal and measured concentrations:
- 680 mg/l
- Reference substance (positive control):
- no
- Key result
- Duration:
- 96 h
- Dose descriptor:
- LC0
- Effect conc.:
- >= 680 mg/L
- Nominal / measured:
- not specified
- Basis for effect:
- mortality (fish)
- Details on results:
- Type-A zeolite showed no evidence of acute toxicity to four species of freshwater fish. No mortality was observed for either cold water or warm water fish exposed to suspensions of 680 mg/L under continuously mixed conditions for 96 h.
- Validity criteria fulfilled:
- not specified
- Conclusions:
- Type-A zeolite showed no evidence of acute toxicity to four species of freshwater fish. No mortality was observed for either cold water or warm water fish exposed to suspensions of 680 mg/L for 96 h.
- Executive summary:
Four species of freshwater fish were exposed to type A zeolite for 96 hours.
Referenceopen allclose all
Description of key information
Type A zeolite showed no evidence of acute toxicity to four species of freshwater fish. No mortality was observed for either cold water or warm water fish exposed to suspensions of 680 mg/l for 96 h (LC0 >= 680 mg/l).
Pinfish, Lagodon rhomboides, exhibited no mortality in test concentrations of Type A zeolite up to 780 mg/l. After 96 h of exposure to the test material, continuously stirred in static seawater with aeration, there were no deaths in any test concentration or control (LC0 >= 780 mg/l).
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Dose descriptor:
- LC50
- Effect concentration:
- > 680 mg/L
Marine water fish
Marine water fish
- Dose descriptor:
- LC50
- Effect concentration:
- > 780 mg/L
Additional information
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.
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