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EC number: 810-161-6 | CAS number: 1229654-66-3
- 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
Phototransformation in water
Administrative data
Link to relevant study record(s)
Description of key information
DT50 = 3.4 days (M-484185-01-1, pH 4, water, OECD 316)
DT50 = about 0.4 to 1.2 days (M-467310-01-2, water, pH 4, OECD 316,101)
DT50 = 0.7 days (M-489424-01-1, natural water, pH 8, OECD 316)
DT50 = 0.77 days (M-568022-01-1, natural water, pH 8.5, OECD 316)
Key value for chemical safety assessment
- Half-life in water:
- 0.7 d
Additional information
Four studies were performed to investigate the photolytic degradation of the test item in water and natural water, respectively according to OECD 316 and GLP (M-484185-01-1, M-467310-01-2, M-489424-01-1, M-568022-01-1). For the two water studies, sterile aqueous buffer solution at pH 4 was tested under exposure to simulated sunlight with 0.96 mg/L and 0.48 mg/L test item and at a temperature of 25 ± 2 °C. The unsterile natural water studies (at pH 8 and 8.5) from the river Rhine were performed under simulated sunlight coditions for 10 and 11 days at 25 ± 2 °C, respectively. For the natural water studies 0.45 mg/L and 0.5 mg/L test item was applied as application rate for 10 and 11 days at 25 ± 2 °C, respectively.
The experimental data were described by a single first order (SFO) kinetic model. The half-life (DT50) for the test item in the irradiated samples was 0.4 -3.4 days in buffer solution and 0.7 - 0.77 days in sterile natural water. Based on the experimental DT50 value of 0.4 - 3.4 days, the environmental DT50 value is calculated to be e.g. 10.4 solar summer days at Phoenix, Arizona, USA. In natural water the DT50 was considerably shorter with calculated environmental DT50 values of 4.7 - 4.9 solar summer days at Tokyo, Japan. The results show that photodegradation contributes to the degradation of the test item in the aquatic environment.
Reference:
Heinemann, O.; Kasel, D, 2014; “[test item]” Phototransformation in water, unpublished report, Report No.: EnSa-13-0320; Study No.: M- 48185-01-1; Endpoints: DT50=3.4 days and 10.5 days based on solar summer days at Phoenix, Arizona, USA
Heinemann, O.; 2013: [test item]: Determination of the quantum yield and assessment of the environmental half-life of the direct photo-degradation in water, unpublished report, Report No.: M-467310-01-2; Study No.: M-467310-01-2; Endpoints: DT50 = 0.4 - 1.2 days for a direct phototransformation of the test item during periods of main use in spring to summer.
Heinemann, O.; Junge, T.; 2014: [test item]: Phototransformation in natural water, unpublished report, Report No.: EnSa-13-0321; Study No.: M-489424-01-1; Endpoints: DT50= 0.7 days and 4.7 solar summer days at Tokyo, Japan.
Heinemann, O.; Kasel, D.; 2016: [test item]: Phototransformation in natural water, unpublished report, Report No.: EnSa-16-0158; Study No.: M-568022-01-1; Endpoints: DT50= 0.77 days and 4.9 solar summer days at Tokyo, Japan.
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