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EC number: 204-179-8 | CAS number: 117-21-5
- 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
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2004
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Version / remarks:
- 1984
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- 3-chlorophthalic anhydride
- EC Number:
- 204-179-8
- EC Name:
- 3-chlorophthalic anhydride
- Cas Number:
- 117-21-5
- Molecular formula:
- C8H3ClO3
- IUPAC Name:
- 4-chloro-1,3-dihydro-2-benzofuran-1,3-dione
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- Collected from each replicate test vessel at start and end of the test
Test solutions
- Vehicle:
- no
- Details on test solutions:
- Water used for the acclimation of test organisms and for all toxicity testing was carbon filtered, deionized water collected at T.R. Wilbury Laboratories in Marblehead, Massachusetts. Water was adjusted to a hardness of 160 to 180 mg/L as CaCO3 and stored in polyethylene tanks where it was aerated and recirculated through particle filters, activated carbon, and an ultraviolet sterilizer. Prior to use, the pH of the dilution water was adjusted to less than 8.0. A sample of dilution water collected at the start of the definitive test had a hardness of 164 mg/L as CaCO3. A stock solution with a nominal concentration of 1,200 mg/L was prepared by bringing 1.2235 g of test substance to a total volume of 1,000 mL with dilution water in a glass volumetric flask. The pH of this solution was adjusted from 2.7 to 7.5 +/- 0.1 and it was mixed for approximately 20 hours. The pH of the stock solution was adjusted to 7.5 using 1N sodium hydroxide. Appropriate amounts of the stock solution were added directly to test vessels. Nominal concentrations of the active ingredient were 0 mg/L (control) and 1,200 mg/L.
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- Juvenile daphnids, Daphnia magna, less than 24 hours old, employed as test organisms were from a single source and were identified using an appropriate taxonomic key. They were produced by an in-house culture of adult daphnids that were maintained under test conditions at T.R. Wilbury Laboratories. The original culture was obtained from Aquatic Biosystems Inc., Fort Collins, Colorado, on May 7, 2004. At the conclusion of the test the control daphnids had an average wet weight of 0.27 mg (loading rate during the definitive toxicity test was ≤40 daphnids per liter). Prior to testing, the daphnid culture was maintained in 100% dilution water under static, renewal conditions, and the test organisms were not treated for disease. No mortality was observed during the 48 hours prior to the beginning of the test and at the beginning of the test organisms were apparently free of disease, injuries, and abnormalities. The culture used to produce neonates for the definitive toxicity test produced young by day 7 and produced an average of at least 3 young/female/day during the 7 days prior to the start of the test. During the 26 days prior to the beginning of the test, the temperature of the culture ranged from 19.9 to 20.8°C, the pH ranged from 7.2 to 7.7, and the dissolved oxygen concentration was always at least 8.4 mg/L. Test organisms were fed the freshwater algae, Selenastrum capricornutum, and a mixture of yeast and trout chow once each day before the test. Daphnids were not fed during the test.
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 48 h
Test conditions
- Hardness:
- 164 mg/L as CaCO3
- Test temperature:
- 21.1 - 20.7°C
- pH:
- 7.2 - 7.5
- Dissolved oxygen:
- 8.0 - 9.1 mg/L
- Nominal and measured concentrations:
- Nominal: 0 mg/L (control) and 1,200 mg 3-CLPA/L
Measured: less than 0.378 mg/L (control) and 1,160 mg 3-CLPA/L - Details on test conditions:
- A range-finding test with 3-CLPA was conducted under static conditions with a control and five concentrations of test substance: 0.10, 1.0, 10, 100, and 1,000 mg/L. After 48 hours there was 90 to 100% survival in the control and at all tested concentrations. No sublethal effects or insoluble material were observed at any tested concentration. A definitive test was initiated under static conditions with a control and 1,000 mg/L test substance. The test was terminated after 24 hours because control survival was less than 90%.
The final definitive toxicity test was conducted under static conditions at 20 +/- 1°C with a single concentration of test substance and a dilution water control. Nominal concentrations of the active ingredient were 0 mg/L (control) and 1,200 mg/L. Thirty daphnids were randomly distributed among three replicates of each treatment. The test was performed in 300 mL glass beakers that contained 250 mL of test solution (water depth was approximately 9 cm). Test vessels were randomly arranged in a water bath during the 48-hour test (random numbers tables were used to add test organisms to test vessels, to select the location of each vessel, as well as the assignment of test concentrations). A 16 hour light and 8 hour dark photoperiod was automatically maintained with cool white fluorescent lights that provided a light intensity of approximately 32 footcandles. A 15 minute transition period was provided between dark and light. Aeration was not required to maintain dissolved oxygen concentrations above acceptable levels. The numbers of surviving organisms, the occurrence of immobility and sublethal effects, and the presence of insoluble material were determined visually and recorded after 0, 24, and 48 hours. Dead test organisms were removed when first observed. Dissolved oxygen, pH, conductivity, and temperature were measured and recorded daily in each test vessel. The temperature in a representative vessel was recorded continuously during the test.
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 48 h
- Dose descriptor:
- LC50
- Effect conc.:
- > 1 160 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- act. ingr.
- Basis for effect:
- other: Immobilization
- Key result
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 1 160 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- act. ingr.
- Basis for effect:
- other: Immobilization
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 160 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- act. ingr.
- Basis for effect:
- other: Immobilization
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 1 160 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- act. ingr.
- Basis for effect:
- other: Immobilization
- Duration:
- 24 h
- Dose descriptor:
- LC50
- Effect conc.:
- > 1 160 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- act. ingr.
- Basis for effect:
- other: Immobilization
- Details on results:
- No insoluble material was observed during the definitive toxicity test. Nominal concentrations of 3-CLPA were: 0 mg/L (control) and 1,200 mg/L. Mean measured concentrations were: less than 0.378 (control) and 1,160 mg/L. The mean measured concentration was 97% of the nominal concentration. Ninety-three percent survival occurred in the control and 90% survival occurred at 1,160 mg/L 3-CLPA. No sublethal effects were observed.
- Reported statistics and error estimates:
- Results of the toxicity test could not be interpreted by standard statistical techniques because more than 50% of the organisms exposed to the single tested concentration survived the toxicity test without sublethal effects. The no observed effect concentration is the highest tested concentration of test substance that did not cause toxicant-related mortality or sublethal effects. The no observed effect concentration was determined using a parametric “t” test.
Any other information on results incl. tables
Measured concentrations of 3-chlorophthalic anhydride during the toxicity test with the daphnid, Daphnia magna.
Nominal Concentration of 3-CLPA (mg/L) |
Measured Concentration of 3-CLPA (mg/L) |
|||
0 Hour |
48 Hours |
Mean |
% Recovery |
|
Test Media Samples |
||||
Control |
ND |
ND |
<0.378 |
--- |
ND |
0.378^ |
|||
ND |
ND |
|||
1,200 |
1,140 |
1,120 |
1,160 |
97 |
1,170 |
1,180 |
|||
1,170 |
1,170 |
|||
Laboratory Control Sample |
||||
1,200 |
1,160 |
1,190 |
1,180 |
98 |
1,160 |
1,190 |
|||
1,170 |
1,180 |
|||
Blank |
||||
0 |
ND |
--- |
ND |
--- |
ND = none detected at or above the limit of quantitation of 0.0850 mg/L. ^Estimated value below the concentration of the lowest analytical standard. |
Survival and sublethal effect data from the toxicity test with 3-chlorophthalic anhydride and the daphnid, Daphnia magna.
Mean Measured Concentration of 3-CLPA (mg/L) |
R |
Number Alive |
Number Affected |
||||
Hour of Exposure |
|||||||
0 |
24 |
48 |
0 |
24 |
48 |
||
Control |
1 |
10 |
10 |
9 |
0 |
0 |
0 |
2 |
10 |
10 |
9 |
0 |
0 |
0 |
|
3 |
10 |
10 |
10 |
0 |
0 |
0 |
|
1,160 |
1 |
10 |
8 |
8 |
0 |
0 |
0 |
2 |
10 |
10 |
10 |
0 |
0 |
0 |
|
3 |
10 |
9 |
9 |
0 |
0 |
0 |
|
R: Replicate |
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- The 48-h EC50 was determined to be >1200 mg/L.
- Executive summary:
The acute toxicity to aquatic invertebrates was determined in a limit test according to OECD 202 and in compliance with GLP criteria. In this study daphnids, (D. magna, in total 30 per concentration) were exposed to nominal concentrations of 0 (control) and 1200 mg/L for 48 hours under static conditions. The nominal test concentration was analytically verified at the start and end of exposure and remained within ±20% of nominal. Therefore, the effect value is expressed as nominal. Immobilization was recorded after 24 and 48 hours exposure. The first test was terminated after 24 hours due to a decreased survival in the control. Therefore, the test was repeated. No immobilization was observed in the final test. Based on these findings, the 48-h EC50 value was determined to be >1200 mg/L.
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