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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
Biodegradation in soil
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in soil, other
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Justification for type of information:
- Data for the target chemical is summarized based on the structually and functionally similar read across chemicals
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Qualifier:
- according to guideline
- Guideline:
- other: refer below principle
- Principles of method if other than guideline:
- WoE study was prepared for toxicity of test chemical by considering WoE 2 and 3
- GLP compliance:
- not specified
- Test type:
- other: 2: Laboratory; 3: Field trial
- Radiolabelling:
- yes
- Remarks:
- 2: 14C-mancozeb
- Oxygen conditions:
- other: 2: Aerobic (20ppm ) sequential aerobic/anaerobic(10ppm); 3: Aerobic
- Soil classification:
- other: No data
- Soil type:
- silt loam
- Soil type:
- other: moist plough
- pH:
- > 5.5 - < 6.5
- Details on soil characteristics:
- 2:
Soil type: silt loam soil (nonsterile and sterile) - Duration:
- 3 mo
- Duration:
- 6 wk
- Initial conc.:
- 20 ppm
- Based on:
- test mat.
- Initial conc.:
- 10 ppm
- Based on:
- test mat.
- Parameter followed for biodegradation estimation:
- not specified
- Temp.:
- 11-16 deg C
- Details on experimental conditions:
- 3:
Other: 2-4% humus - Key result
- Soil No.:
- #1
- % Degr.:
- 90
- Sampling time:
- 6 wk
- Remarks on result:
- other: not specified
- Key result
- DT50:
- > 2 d
- Temp.:
- 23 °C
- Remarks on result:
- other: Aerobic no sterile soil
- Remarks:
- 20 ppm
- DT50:
- > 8 d
- Remarks on result:
- other: Anaerobic non sterile soil
- Remarks:
- 10 ppm
- Transformation products:
- not specified
- Details on results:
- The approximate half-lives of test chemical in nonsterile aerobic and anaerobic soils observed to be less than 2 days and 8 days, respectively and Percent biodegradation of test chemical was observed 90% in 6 wk. On the basis of above observation is is concluded that the test chemical is readily biodegradable in soil.
- Conclusions:
- The approximate half-lives of test chemical in nonsterile aerobic and anaerobic soils observed to be less than 2 days and 8 days, respectively and Percent biodegradation of test chemical was observed 90% in 6 wk. On the basis of above observation is is concluded that the test chemical is readily biodegradable in soil.
- Executive summary:
Data available for the structurally similar and closely related read across chemicals study has been reviewed to determine the biodegradation of test chemical in soil. The studies are as mentioned below:
In first study the degradation of 20 ppm and 10 ppm conc. of test chemical was investigated on silt loam soil (no sterile and sterile) under aerobic and sequential aerobic/anaerobic conditions at an average temperature of 230±0.600C. The mineralization of mancozeb was observed to be degradates to carbon dioxide only occurred in nonsterilized soils and no detectable carbon dioxide was released from sterile soils. It is indicating that mineralization was mainly conducted by microorganisms. The approximate half-lives of mancozeb in nonsterile aerobic and anaerobic soils observed to be less than 2 days and 8 days, respectively. On the basis of above observation is is concluded that the test chemical is readily biodegradable in soil.
Second study was conducted to determine the biodegradation of test chemical in soil. The test was performed in field for 6 weeks. Approximately 90% of test chemical was observed to be degraded under pH of 5.5-6.5 and medium air temperature of 11-160C. On the basis of above observation the test chemical concluded to be readily degradable.
On the basis of above observation is is concluded that the test chemical is readily biodegradable in soil.
Reference
2:
The mineralization of test chemical was observed to be degradates to carbon dioxide only occurred in nonsterilized soils and no detectable carbon dioxide was released from sterile soils. It is indicating that mineralization was mainly conducted by microorganisms.
Description of key information
Study was conducted to determine biodegradation of test chemical in soil . The approximate half-life of test chemical in nonsterile aerobic and anaerobic soils observed to be less than 2 days and 8 days, respectively. On the basis of above observation is is concluded that the test chemical is readily biodegradable in soil.
Key value for chemical safety assessment
- Half-life in soil:
- 2 d
- at the temperature of:
- 23 °C
Additional information
Data available for the structurally similar and closely related read across chemicals study has been reviewed to determine the biodegradation of test chemical in soil. The studies are as mentioned below:
In first study the degradation of 20 ppm and 10 ppm conc. of test chemical was investigated on silt loam soil (no sterile and sterile) under aerobic and sequential aerobic/anaerobic conditions at an average temperature of 23°±0.600C. The mineralization of mancozeb was observed to be degradates to carbon dioxide only occurred in nonsterilized soils and no detectable carbon dioxide was released from sterile soils. It is indicating that mineralization was mainly conducted by microorganisms. The approximate half-lives of mancozeb in nonsterile aerobic and anaerobic soils observed to be less than 2 days and 8 days, respectively. On the basis of above observation is is concluded that the test chemical is readily biodegradable in soil.
Second study was conducted to determine the biodegradation of test chemical in soil. The test was performed in field for 6 weeks. Approximately 90% of test chemical was observed to be degraded under pH of 5.5-6.5 and medium air temperature of 11-160C. On the basis of above observation the test chemical concluded to be readily degradable.
On the basis of above observation is is concluded that the test chemical is readily biodegradable in soil.
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