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EC number: 403-030-6 | CAS number: 137398-54-0 ROBAC AS/100
- 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 water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The test substance attained betweeen 10 and 15% degradation after 28 days and cannot therefore be considered as readily biodegradable as defined within strict OECD Guidelines.
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable, not fulfilling specific criteria
Additional information
Method: Closed bottle test according to OECD Guideline No. 301D and EEC Directive 67/548 Annex V C6. as published in 84/449/EEC.
Duration: 28 days
Temperature: 21± 1ºC
Results:
Test concentration: 2 mg/l
Oxygen depletion (28 days): 0.375 mgO2/l
Theoretical oxygen demand (ThOD): 3.74 mg/O2/l
Percentage biodegradation (28 days): 10 -15%
Sodium benzoate (the standard reference substance) attained 92% degradation within 28 days.
Oxygen depletions in the inoculated and non-inoculated controls were within prescribed limits.
Method 2. Assessment of Ready Biodegradability, CO2 Evolution test OECD 301B- referenced as Method C.4 -C of Commission Regualtion (EC) no. 440/2008
Duration: 60 days
Temperature 20± 2ºC
Results:
Test concentration : 10mg/Carbon/L ( equivalent to 34.8 mg test item/L)
Biodegredation 15% after 28 days and 26% after 60 days
HPLC analysis, 65-67% of AS100 was recovered after 60 days. Recovery of hydrolysis product at 60days ranged between 7.44 and 7.83mg/L
Sodium Benzoate attained 87% biodegradation after 14 days, 88% after 28 days and 89% after 60 days therby confirming the suitability of the inoculum and test conditions
Validity of test:
1. Total Co2 evolution in the inoculum control vessel on Day 28 was 28.18mg/L - validation criteria satisfied
2. Inorganic Carbon (IC) content of the test item suspension in mineral medium at the start of the test was below 5% of the Total Carbon (TC) content
3. The difference between the values for CO2 production at the end of the test for the replicate vessels was <20% and hence satisfied the validation criterion given in the OECD test guidelines
Conclusion:
The test substance attained betweeen 10 and 15% degradation after 28 days and cannot therefore be considered as readily biodegradable as defined within strict OECD Guidelines.
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