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EC number: 200-929-3 | CAS number: 76-05-1
- 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

Field studies
Administrative data
- Endpoint:
- field studies
- Adequacy of study:
- supporting study
- Study period:
- 1997-1998 and 1998-1999
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Peer reviewed article from a moderate's impact factor journal. The methodology is scientifically acceptable and the report is sufficiently well documented.
Cross-reference
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- publication
- Title:
- The fate and persistence of trifluoroacetic and chloroacetic acids in pond waters.
- Author:
- David A. Ellis, Mark L. Hanson, Paul K. Sibley, Tazeen Shahid, Neil A. Fineberg, Keith R. Solomon, Derek C.G. Muir, Scott A. Mabury
- Year:
- 2 001
- Bibliographic source:
- Chemosphere 42: 309-318
Materials and methods
- Principles of method if other than guideline:
- Study on the degradation of TCA and TFA in field aquatic microcosms and laboratory sediment water systems. Analysis by GC/MS after derivatization and ion chromatography. (QA/QC: blanks and LOD=not reported). Calculation of half-lives for some halo acetic acids but not for TFA which did not degraded in the experiment time of 1 year and proposed degradation pathway (microbial degradation in water media for the studied halo acetic acids).
- GLP compliance:
- not specified
- Type of measurement:
- Study on the degradation of TCA and TFA in field (outdoor microsoms) and laboratory (sediment water system) experiments. Analysis by GC/MS after derivatization and ion chromatography (QA/QC: blanks and LOD=not reported).
- Media:
- freshwater and sediment
Test material
- Reference substance name:
- TFA
- IUPAC Name:
- TFA
- Details on test material:
- No data
Constituent 1
Results and discussion
Any other information on results incl. tables
No degradation of TFA was observed in the time scale of the laboratory (2880h) and field (up to one year) experiments.
Applicant's summary and conclusion
- Conclusions:
- No degradation of TFA was observed in the time scale of the laboratory (2880h) and field (up to one year) experiments.
- Executive summary:
The environmental fate of trichloro-, dichloro-, and monochloroacetic acids, and trifluoroacetic acid was investigated using field aquatic microcosms and laboratory sediment water systems from Canada. Trifluoroacetic acid was extremely persistent and showed no degradation during one-year field studies, though is appeared to undergo transient partitioning within an unknown pond phase as the temperature of the surroundings was reduced. The laboratory microsom experiments were also extended to TFA (up to 2880h) and no degradation was observed. Of the three chloroacetic acids, trichloro had the longest residence time (induction and decay) (40d), dichloro the shortest (4d), and monochloro an intermediate residence time (14d). Laboratory studies suggest that the biodegradation of trichloro-, dichloro-, and monochloroacetic acids leads primarily to the formation of chloride and oxalic, glyoxalic, and glycolic acids, respectively.
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