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EC number: 231-105-1 | CAS number: 7439-96-5
- 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
Link to relevant study record(s)
- Endpoint:
- toxicity to terrestrial plants: short-term
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Peer reviewed journal
- Justification for type of information:
- Data is from Peer reviewed journal
- Qualifier:
- according to guideline
- Guideline:
- ISO 11269-1 (Soil quality - Determination of the effects of pollutants on soil flora - Part 1: Method for the measurement of inhibition of root growth)
- GLP compliance:
- not specified
- Analytical monitoring:
- yes
- Species:
- Brassica oleracea var. capitata
- Plant group:
- other: Angiosperms
- Details on test organisms:
- - Common name: cabbage
- Source: state company EPAGRI (Empresa de Pesquisa Agropecua´ria e Difus~ao de Tecnologia de Santa Catarina, Floriano´polis, SC, Brazil). - Test type:
- seed germination/root elongation toxicity test
- Study type:
- laboratory study
- Substrate type:
- natural soil
- Total exposure duration:
- 16 d
- Test temperature:
- day-time temperature of 25 ± 2°C and a nighttime temperature of 16 ±2°C
- Details on test conditions:
- - Test vessel: pots
- No. of vessels per concentration (replicates): Three
- Material, size, headspace, fill volume:
disposable plastic
- No. of organisms per vessel: Twenty-five cabbage
-Other: 7-cm diameter
5-cm height of pots used
OTHER TEST CONDITIONS
- Photoperiod: 16:8 h light:dark
- Light intensity: 60 mE/m2/s (cool-white fluorescent lamps) - Reference substance (positive control):
- yes
- Remarks:
- Red-yellow Podzolic soil
- Key result
- Species:
- Brassica oleracea var. capitata
- Duration:
- 6 d
- Dose descriptor:
- LOEC
- Effect conc.:
- 2 other: stimulant effect
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- germination
- Species:
- Brassica oleracea var. capitata
- Duration:
- 16 d
- Dose descriptor:
- LOEC
- Effect conc.:
- 4 other: stimulant effect
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: Fresh biomass
- Details on results:
- LOEC value of test chemical for 6 and 16 days was observed to be 2 and 4 respectively on the basis of stimulant effect
- Reported statistics and error estimates:
- Statistical analysis was carried out on a microcomputer using the TOXSTAT 3.0 software.
- Validity criteria fulfilled:
- not specified
- Conclusions:
- LOEC value of test chemical for 6 and 16 days was observed to be 2 and 4 respectively on the basis of stimulant effect.
- Executive summary:
The study was conducted to determine toxicity of test chemical to soil macro-organism in accordance with ISO guideline. Toxicity of test chemical to plant was performed by phytotoxicity tests which were conducted with Brassica oleracea L. var. capitata (cabbage). Seeds of the test plant were supplied by the state company EPAGRI. Twenty-five cabbage seeds were sown in each pot containing 200 g of soil or soil: sludge mixture. Test was performed in three pots of disposable plastics which were 7-cm in diameter and 5-cm height and each plant test was performed in duplicate. Plants were grown under controlled conditions at a day-time temperature of 25±2°C and a nighttime temperature of 16 ±2°C with lighting of 60 mE/m2/s under a 16:8 h light: dark photoperiod. Cool-white fluorescent lamps were used to provide light. Same red-yellow Podzolic soil used as The reference (control) soil in the soil: sludge mixtures. Sludge was mixed to the soil in different proportions of 50; 25; 12.5; 6.2; and 3.1% and dechlorinated tap water was gently pipetted onto the soil surface at 66% (i.e., 64 ml) of the maximum water-holding capacity (48 ml water/100 g soil). Statistical analysis of test chemical was carried out on a microcomputer using the TOXSTAT 3.0 software. LOEC value of test chemical for 6 and 16 days was observed to be 2 and 4 respectively on the basis of stimulant effect.
Reference
Description of key information
LOEC value of test chemical for 6 and 16 days was observed to be 2 and 4 respectively on the basis of stimulant effect.
Key value for chemical safety assessment
Additional information
Following study includes experimental study for the target chemical to observe the toxicity of test chemical to terrestrial plants as follows:
The study was conducted to determine toxicity of test chemical to soil macro-organism in accordance with ISO guideline. Toxicity of test chemical to plant was performed by phytotoxicity tests which were conducted with Brassica oleracea L. var. capitata (cabbage). Seeds of the test plant were supplied by the state company EPAGRI. Twenty-five cabbage seeds were sown in each pot containing 200 g of soil or soil: sludge mixture. Test was performed in three pots of disposable plastics which were 7-cm in diameter and 5-cm height and each plant test was performed in duplicate. Plants were grown under controlled conditions at a day-time temperature of 25±2°C and a nighttime temperature of 16 ±2°C with lighting of 60 mE/m2/s under a 16:8 h light: dark photoperiod. Cool-white fluorescent lamps were used to provide light. Same red-yellow Podzolic soil used as The reference (control) soil in the soil: sludge mixtures. Sludge was mixed to the soil in different proportions of 50; 25; 12.5; 6.2; and 3.1% and dechlorinated tap water was gently pipetted onto the soil surface at 66% (i.e., 64 ml) of the maximum water-holding capacity (48 ml water/100 g soil). Statistical analysis of test chemical was carried out on a microcomputer using the TOXSTAT 3.0 software. LOEC value of test chemical for 6 and 16 days was observed to be 2 and 4 respectively on the basis of stimulant effect.
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