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EC number: 939-459-5 | CAS number: 1471311-24-6
- 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
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From February 06, 2012 to March 23, 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.1 (Acute Toxicity for Fish)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- ISO 7346/1-3 (Determination of the Acute Lethal Toxicity of Substances to a Freshwater Fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)])
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: Guidance document on aquatic toxicity testing of difficult substances and mixtures, OECD series on testing and assessment number 23, December 14, 2000
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Analytical monitoring:
- yes
- Details on sampling:
- - Concentrations: all concentrations.
- Sampling method: On the day of analysis, the samples were defrosted at room temperature. The test samples were diluted in a 1:3 (v:v) ratio with acetonitrile and analysed. If necessary, the samples were further diluted with 75/25 (v/v) acetonitrile/ISO-medium to obtain concentrations within the calibration range.
- Sample storage conditions before analysis: Samples were stored in a freezer (≤ -15°C) until analysis. - Vehicle:
- no
- Details on test solutions:
- PREPARATION AND APPLICATION OF TEST SOLUTION (especially for difficult test substances)
The test substance was not completely soluble in test medium at the initial loading rates prepared. Preparation of test solutions started with individually prepared loading rates between 1.0 and 100 mg/L that were magnetically stirred for a period of 20-22 hours. The resulting aqueous mixtures were then left to settle for 2 hours. The resulting Water Accommodated Fractions (WAFs) were then collected by means of siphoning the middle fractions. The final test solutions were in general slightly hazy for the WAFs of 10 mg/L and higher and appeared clear and colourless at 1.0 and 4.6 mg/L WAFs. - Test organisms (species):
- Cyprinus carpio
- Details on test organisms:
- TEST ORGANISM
- Common name: carp.
- Source: Zodiac, proefacc, "De Haar Vissen", Wageningen University and Research Centre, The Netherlands.
- Length at study initiation (mean):
Range-finding test: 2.5 ± 0.2 cm
Final test: 2.1 ± 0.2 cm
- Weight at study initiation (mean):
Range-finding test: 0.37 ± 0.07 g
Final test: 0.71 ± 0.12 g
- Feeding during test: No feeding from 24 hours prior to the test and during the total test period.
ACCLIMATION
- Acclimation period: at least 12 days after delivery.
- Type of food: pelleted fish food (Cyprico Crumble Excellent (300-500 um), Coppens International bv, Helmond, The Netherlands)
- Feeding frequency: daily. - Test type:
- semi-static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 96 h
- Hardness:
- 180 mgCaCO3/L
- Test temperature:
- 21.0 - 22.6 ºC
- pH:
- 7.2 - 8.0
- Dissolved oxygen:
- 2.7 - 9.6 mg O2/L
- Nominal and measured concentrations:
- WAFs prepared at loading rates of 4.6, 10, 22, 46 and 100 mg/L
- Details on test conditions:
- TEST SYSTEM
- Test vessel: 10L
- Material, size, headspace, fill volume: all-glass, containing 9.8 L of test solution.
- Aeration:The test media were not aerated during the test.
- Renewal rate of test solution (frequency/flow rate): daily.
- No. of organisms per vessel: 7
- No. of vessels per concentration (replicates): 1
- No. of vessels per control (replicates): 1
- Biomass loading rate: 0.51 g fish/L, i.e. 7 fish per 9.8 L of test medium.
TEST MEDIUM / WATER PARAMETERS
- Intervals of water quality measurement:
Dissolved oxygen content, pH and temperature: Daily in all vessels with surviving fish, beginning at the start of the test (day 0).
OTHER TEST CONDITIONS
- Photoperiod: 16 hours photoperiod daily.
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) :
Mortality and other effects: At 2, 24, 48, 72 and 96 hours following the start of exposure. In addition, every afternoon from day 0 and every morning from day 1 to observe for any dead or severely distressed fish.
TEST CONCENTRATIONS
- Range finding study
- Test concentrations: 1.0, 10 and 100 mg/L
- Results used to determine the conditions for the definitive study: The expected LC50 was between concentrations present in WAFs prepared at 10 and 100 mg/L - Reference substance (positive control):
- yes
- Remarks:
- pentachlorophenol
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- >= 46 - <= 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- 22 mg/L
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Remarks on result:
- other: (95% confidence interval 17 - 58 mg/L). The average exposure concentrations were calculated as mathematical means of the concentrations of test item measured during the first and the last refreshment period.
- Details on results:
- - Mortality: No mortality was observed in the control and WAFs prepared at loading rates of 4.6, 10, 22 and 46 mg/L. In the WAF prepared at 46 mg/L one fish died after 72 h of exposure, and 2 fish died after 96 h of exposure. In the WAF prepared at 100 mg/L 7 fish died after 24, 48, 72 and 96 h of exposure.
Other clinical effects: There were no clinical effects observed in the control and WAFs prepared at 100 mg/L during the test period. - Results with reference substance (positive control):
- - Results with reference substance valid? Yes.
- LC50: The 96h-LC50 was 0.25 mg/L based on nominal concentrations, with a 95% confidence interval between 0.20 and 0.41 mg/L. This effect was already reached within 24 hours of exposure.The range of the 96h-LC50 for carp is generally between 0.10 and 0.46 mg/L - Sublethal observations / clinical signs:
Table 1. Incidence of mortality and total mortality during the final test.
Loading rate
WAF* (mg/l)
Average
meas.
conc. (mg/l)
Initial
number
of fish
Cumulativemortality
Total
Mortality
(%)
2h
24h
48h
72h
96h
Control
Control
7
0
0
0
0
0
0
4.6
0.50
7
0
0
0
0
0
0
10
2.9
7
0
0
0
0
0
0
22
10
7
0
0
0
0
0
0
46
18
7
0
0
0
1
2
29
100
68
7
0
7
7
7
7
100
* WAF prepared at the given Glycerides, coco mono- and di-, ethoxylated loading rate.
Table 2. Effect parameters.
Parameter
Loading rate
WAF* (mg/l)
Average measured conc. (mg/l)
95%-confidence interval (mg/l)
NOEC
22
10
-
24 & 48h-LC50
>46, <100
35
18-68
72h-LC50
>46, <100
26
19-57
96h-LC50
>46, <100
22
17-58
* WAF prepared at the given Glycerides, coco mono- and di-, ethoxylated loading rate.
Table 3. Clinical effects observed during the final test.
Loading rate
WAF* (mg/l)
Time of
recording
(hours)
Specification of effects
Relative
number
0, 4.6, 10, 22
46
100
0-96
24-48
72
96
2
No abnormalities
Swimming at the surface
Swimming at the surface. Fins are red coloured (possibly internal haemorrhage)
Swimming at the surface. Fins are red coloured (possibly internal haemorrhage)
Immobile
Loss of equilibrium
Swimming at the surface
7/7
7/7
6/6
5/5
4/7
2/7
1/7
* WAF prepared at the given Glycerides, coco mono- and di-, ethoxylated loading rate.
- Validity criteria fulfilled:
- yes
- Remarks:
- (No mortality in the control. Test conditions maintained constant during the test. Dissolved oxygen > 5mg/L. Measured conditions derivated 20% from nominal, results based on average exposure concentrations.)
- Conclusions:
- The 96h-LC50was between WAFs prepared at loading rates of 46 and 100 mg/L. The 96h-LC50 based on average exposure concentrations corresponded to 22 mg/L (95% confidence interval between 17 and 58 mg/L).
- Executive summary:
Assessment of acute toxic effects of Glycerides, coco mono- and di-, ethoxylated in Cyprinus carpio (Semi-static Method) was determinated according to the OECD Guideline 203, with GLP.
A final test was performed with daily renewal of test solutions based on the result of a preceding static range-finding test. Seven carp per test group were exposed to a control and WAFs prepared at loading rates of 4.6, 10, 22, 46 and 100 mg/L. Samples for analytical confirmation of actual exposure concentrations were taken during the first and last renewal interval. Samples were taken from freshly prepared solutions at the start and after 72 hours of exposure and from 24-hour old solutions at 24 and 96 hours of exposure.
Analysis of the samples taken from the WAFs during the two renewal intervals showed that measured concentrations decreased significantly over the 24-hour test periods with a significantly higher decrease during the last renewal interval. Based on these results, the average exposure concentrations were calculated. The range tested based on average exposure concentrations was 0.50, 2.9, 10, 18 and 68 mg/l for the WAFs prepared at 4.6, 10, 22, 46 and 100 mg/L, respectively.
The study generally met the acceptability criteria prescribed by the protocol and was considered valid.
The test substance induced no visible or lethal effects in carp at or below a WAF prepared at a loading rate of 22 mg/L. This corresponded to an average measured exposure concentration of 10 mg/L (NOEC).
The 96h-LC50was between WAFs prepared at loading rates of 46 and 100 mg/L. The 96h-LC50based on average exposure concentrations corresponded to 22 mg/L (95% confidence interval between 17 and 58 mg/L).
Reference
Description of key information
Key study: Experimental results: OECD Guideline 203 and EU method C.1. GLP study.
The 96h-LC50was between WAFs prepared at loading rates of 46 and 100 mg/L. The 96h-LC50 based on average exposure concentrations corresponded to 22 mg/L (95% confidence interval between 17 and 58 mg/L).
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 22 mg/L
Additional information
Key study: Experimental results: OECD Guideline 203 and EU method C.1. GLP study.
The 96h-LC50was between WAFs prepared at loading rates of 46 and 100 mg/L. The 96h-LC50 based on average exposure concentrations corresponded to 22 mg/L (95% confidence interval between 17 and 58 mg/L).
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