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Diss Factsheets
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EC number: 423-630-1 | CAS number: 62435-71-6
- 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)
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 14 days
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Justification for type of information:
- Performed to guidelines to national quality assurance standards
However, report lacking in method details and only summary of results included. This does not impact on the conclusions of the study. - Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
- GLP compliance:
- yes
- Remarks:
- Chinese certified
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, non-adapted
- Duration of test (contact time):
- ca. 14 d
- Based on:
- not specified
- Parameter followed for biodegradation estimation:
- DOC removal
- Details on study design:
- Test mixture contains an inorganic medium, activated sludge as a mixed inoculum and the test compound as the sole source of carbon and energy other than sludge.
- Reference substance:
- benzoic acid, sodium salt
- Parameter:
- % degradation (test mat. analysis)
- Value:
- ca. 100
- Sampling time:
- 14 d
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- The test material attained 100% degradation in less than 14 days through DOC removal methods
Althought the test report lacked interim measurements, it can be safely assumed that 60% degradation was attained in under a 10 day period
Reference
The inherent biodegradability in the static test of reference substance sodium benzoate after 7 days was 88.8, and the inherent biodegradability after 14 days was 95.8%.
A toxicity control showednottoxic effect.
The max. % degradtion of test substance THFEE was 100% at the 14th day. The inherent biodegradability after 15 days was 100%
During the test the pH was between 6.5 and 7.5 and the dissolved oxygen conc. was between 6.8mg/L and 8.0 mg/L.
Description of key information
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
- Type of water:
- freshwater
Additional information
The test material attained 100% degradation in less than 14 days through DOC removal methods Although the test report lacked interim measurements, it can be safely assumed that 60% degradation was attained in under a 10 day period
It is noted that glycols fail to biodegrade in closed-bottle tests
Ref: Žgajnar Gotvajn A, Zagorc-Končan J. BIODEGRADABILITY ASSESSMENT OF DIETHYLENE GLYCOL AND PHENOL Arh Hig Rada Toksikol 2003;54:189-19
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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