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EC number: 640-001-9 | CAS number: 958445-54-0
- 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
Bioaccumulation: aquatic / sediment
Administrative data
- Endpoint:
- bioaccumulation in aquatic species: fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15 July 2008 - 18 August 2008
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Guideline study conducted under GLP. Bioconcentration of ammonium salt of MeDONA hydrolysis product.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 305 (Bioconcentration: Flow-through Fish Test)
- Deviations:
- yes
- Remarks:
- TOC measured in control was 2.1 mg/C/L at day 28 of the uptake phase but did not affect the fish and as such study integrity was not adversely affected by the deviation.
- Qualifier:
- according to guideline
- Guideline:
- other: EC directive Annex IIID, Part C.13:1998
- Deviations:
- yes
- Remarks:
- TOC measured in control was 2.1 mg/C/L at day 28 of the uptake phase but did not affect the fish and as such study integrity was not adversely affected by the deviation.
- GLP compliance:
- yes
Test material
- Reference substance name:
- ADONA
- IUPAC Name:
- ADONA
- Details on test material:
- - Name of test material (as cited in study report): MTDID 6675
- Substance type: single-constituent substance
- Physical state: clear colorless liquid
- Analytical purity: 29.9 ±0.0% in water
- Lot/batch no.: 140499-19/16
- Stability under test conditions: Stable in water at least 96 hours
- Storage condition of test material: At room temperature in the dark
Constituent 1
- Radiolabelling:
- no
Sampling and analysis
- Details on sampling:
- Test Medium analysis
- Sampling intervals/frequency for test medium samples: Samples were taken after -1, 0, 1, 3, 7, 10, 13, 20, 30 and 34 days during uptake. 1 sample of control, low and high concentration solution was obtained at each sample interval.
BCF analysis
- Sampling intervals/frequency for test organisms: Samples were taken after 1, 3, 7, 10, 20, 30 and 34 day during uptake. At each sampling period 3 fish were taken from the control, 4 fish each from both the low and high concentration.
Lipid analysis
- Sampling intervals/frequency for test organisms: Samples were taken after 0 days for control and 30 days for test samples. 10 fish were taken on day 0 from the control and 10 fish each were taken on day 30 for low and high concentration.
- Sample storage conditions before analysis: Analysis of test media and fish used for BCF analysis were completed the same day as sampling, so storage was not applicable. Samples used for lipid extraction were stored in a deep-freezer until extraction.
- Details on sampling and analysis of test organisms and test media samples:
For the test media, test solutions were sampled from a central point in the test chamber using mechanical pipettes with disposable tips.
For the test organisms, fish were caught with a small net, quickly rinsed with untreated water, blotted dry and then instantly killed with a blow to the head, followed by a cervical incision. Fish used for BCF analysis were weighed and the tissue in each replicate was homogenized using a scalpel. Fish used for lipid extraction were weighed and pooled per concentration. Each lipid extraction fish was homogenized in dry-ice using a food processor.
Test media and fish for BCF analysis were measured by Ultra Performance Liquid Chromatography (UPLC). Samples for the lipid extraction were analysed using the Bligh and Dyer (BD) method (Protocol for this was not reported).
Test solutions
- Vehicle:
- no
- Details on preparation of test solutions, spiked fish food or sediment:
- PREPARATION AND APPLICATION OF TEST SOLUTION (especially for difficult test substances)
Method: ADONA consists of 29.9% active ingredient (a.i.) in water. Stock solutions of ADONA in ISO-medium were prepared twice a week. Stock concentrations were 330 and 3300 mg/L total product (100 and 1000 mg/L active ingredient). The stock solutions were dosed via a computer-controlled system (DaVinci) consisting of micro-dispensers (Gilson). Through this system the dosed volume from the supply stock entered a mixing flask separately from the medium supply. The medium was supplied via a flow meter and the flow rate was 16 L/h, allowing at least four volume replacements (100 L) through each aquarium each day. In the mixing flask the dosed stock volume and the medium were mixed under continuous stirring at a ratio of 1:1000. The whole system was checked daily.
- Controls: Test medium without test substance or other additives
- Evidence of undissolved material (e.g. precipitate, surface film, etc): None, final test solutions were all clear and colorless.
Test organisms
- Test organisms (species):
- Cyprinus carpio
- Details on test organisms:
- TEST ORGANISM
- Common name: Carp
- Strain: Linneaus, 1758
- Source: Zodiac, proefacc, "De Haar Vissen", Wageningen University and Research Center, The Netherlands
- Age at study initiation (mean and range, SD): Not reported
- Length at study initiation (length definition, mean, range and SD): 3.4 ± 0.3 cm
- Weight at study initiation (mean and range, SD): 1.08 ± 0.21 g
- Weight at termination (mean and range, SD): Not reported
- Feeding during test: Yes
- Food type: Pelleted fish food (Nutra 3.0 T, Trouw Nutrition B.V., Putten, The Netherlands)
Rough protein: 55%
Rough fat: 16%
- Amount: Ration was 2% of body weight per day. Recalculation of the feeding rate was performed after each sampling point.
ACCLIMATION
- Acclimation period: At least 12 days after delivery
- Acclimation conditions (same as test or not): same as test
- Feeding frequency: Daily with pelleted food fish (Nutra 3.0 T, Trouw Nutrition B.V., Putten, The Netherlands)
- Health during acclimation (any mortality observed): Mortality during seven days prior to the start of the test was less than 5%
Study design
- Route of exposure:
- aqueous
- Test type:
- flow-through
- Water / sediment media type:
- natural water: freshwater
- Total exposure / uptake duration:
- 34 d
Test conditions
- Hardness:
- 161 - 179 mg CaCO3/L
- Test temperature:
- 21.7 - 23.2 °C
- pH:
- 7.3 - 7.9
- Dissolved oxygen:
- 7.1 - 9.1
- TOC:
- 0.29 - 2.1
- Details on test conditions:
- TEST SYSTEM
- Test vessel: 100 L (50x50x40 cm) tank consisting of stainless steel and covered by a removable Perspex plate
- Aeration: None
- Type of flow-through (e.g. peristaltic or proportional diluter): Peristaltic
- Renewal rate of test solution (frequency/flow rate): Four volume replacements per day, flow rate of 16 L/h
- No. of organisms per test concentration: 54
- No. of organisms per control: 43
- No. of vessels per concentration (replicates): Two
- No. of vessels per control (replicates): One
- Biomass loading rate: 0.15 g fish/L/day
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water:
- Conductance: 498 - 540 µs/cm
- Holding medium different from test medium: No
- Intervals of water quality measurement: pH, nitrate, nitrite and ammonia concentrations were measured once a week. Temperature was measured every day. In addition, pH and temperature were measured before transferring the fish to the test system. Total (dissolved organic carbon (TOC) in the control was measured once a week starting one day before introduction of the fish.
- Intervals of test medium replacement: Flow through with four 100 L replacements through each aquarium each day
OTHER TEST CONDITIONS
- Adjustment of pH: None
- Photoperiod: 16h light/ 8h dark
The experimental conditions of the study can be found in Table A. - Reference substance (positive control):
- no
Results and discussion
Lipid content
- Lipid content:
- 3 %
- Time point:
- other: 30 days
- Remarks on result:
- other: The control sample at the start of the exposure had 4% lipid.
Bioaccumulation factor
- Type:
- BCF
- Value:
- 0.094 other: whole body w.w.
- Time of plateau:
- 34 d
- Calculation basis:
- steady state
- Remarks on result:
- other: 34d BCF of ADONA at a concentration of 0.1 mg/L active ingredient was 0.094 ± 0.0071.
- Remarks:
- Conc.in environment / dose:0.1 mg/L active ingredient
- Details on results:
- - Mortality of test organisms: No mortality or other adverse effects/disease was observed in treated fish during the whole test period.
- Behavioral abnormalities: None
- Observations on body length and weight: Not reported
- Other biological observations: None
- Mortality and/or behavioral abnormalities of control: No mortality or adverse effects/disease were observed in control fish during the whole test period.
- Loss of test substance during test period: None, test substance was stable during the test period. Analysis of the actual concentrations were generally in agreement with the target concentrations (between 90 - 122%).
ADONA concentrations in fish can be found in Table 1. ADONA concentrations in the test medium can be found in Table 2. The BCF values for ADONA can be found in Table 3. The percentage of lipid in carp can be found in Table 4. The experimental conditions of the study can be found in Table A.
The uptake of ADONA by Cyprinus carpio was insignificant (BCF < 10, Table 3), so a depuration phase was not needed and the study was terminated after 34 days of exposure. - Reported statistics:
- The fish did not concentrate ADONA, therefore, the BCF was calculated over the whole exposure period of 34 days. The steady state BCF was determined from the division of the mean concentration of test substance in fish by the mean concentration of test substance in water.
Any other information on results incl. tables
Table 1, Concentrations of ADONA in Carp |
|||
Day of Sampling |
Measured Concentrations ¹ [mg/kg] |
||
Control ² |
0.1 ² |
1.0 ² |
|
1 |
0.00224 |
0.0116 |
0.0770 |
0.00219 |
0.0102 |
0.0986 |
|
|
0.00821 |
0.0872 |
|
|
0.0118 |
0.105 |
|
Mean |
|
0.010 |
0.092 |
3 |
<0.002 |
0.0110 |
0.0969 |
<0.002 |
0.0128 |
0.113 |
|
|
0.0107 |
0.0814 |
|
|
0.00851 |
0.0821 |
|
Mean |
|
0.011 |
0.093 |
7 |
<0.002 |
0.0103 |
0.0610 |
<0.002 |
0.00912 |
0.0379 |
|
|
0.0103 |
0.0607 |
|
|
0.0925 |
0.0377 |
|
Mean |
|
0.010 |
0.049 |
10 |
<0.002 |
0.00465 |
0.0636 |
<0.002 |
0.00516 |
0.0651 |
|
|
0.00583 |
0.0659 |
|
|
0.00474 |
0.0627 |
|
Mean |
|
0.0051 |
0.064 |
20 |
<0.002 |
0.00905 |
0.0800 |
<0.002 |
0.0127 |
0.0960 |
|
|
0.00886 |
0.0818 |
|
|
0.00847 |
0.0969 |
|
Mean |
|
0.010 |
0.089 |
30 |
<0.002 |
0.00837 |
0.102 |
<0.002 |
0.0115 |
0.106 |
|
|
0.0114 |
0.115 |
|
|
0.0109 |
0.0808 |
|
Mean |
|
0.011 |
0.10 |
34 |
<0.002 |
0.00856 |
0.0765 |
<0.002 |
0.0100 |
0.0658 |
|
|
0.0101 |
0.0897 |
|
|
0.00867 |
0.0746 |
|
Mean |
|
0.0093 |
0.077 |
1) Concentrations for the active ingredient, corrected for the purity of the test substance (29.9%) B) Exposure concentrations (mg/L active ingredient) |
Table 2, Concentration of ADONA in test medium |
|||
Day of sampling |
ConcentrationA |
||
Target [mg/L] |
Analyzed [mg/L] |
Relative to Target [%] |
|
-1 |
0 |
n.d.B |
n.a.C |
0.1 |
0.103 |
103 |
|
1 |
1.18 |
108 |
|
|
|
|
|
0 |
0 |
n.d. |
n.a. |
0.1 |
0.100 |
100 |
|
1 |
1.22 |
122 |
|
|
|
|
|
1 |
0 |
n.d. |
n.a. |
0.1 |
0.102 |
102 |
|
1 |
1.09 |
109 |
|
|
|
|
|
3 |
0 |
n.d. |
n.a. |
0.1 |
0.116 |
116 |
|
1 |
1.20 |
120 |
|
|
|
|
|
7 |
0 |
n.d. |
n.a. |
0.1 |
0.103 |
103 |
|
1 |
0.900 |
90 |
|
1D |
0.171 |
17 |
|
|
|
|
|
10 |
0 |
n.d. |
n.a. |
0.1 |
0.0559 |
56 |
|
1 |
0.897 |
90 |
|
|
|
|
|
13 |
0 |
n.d. |
n.a. |
0.1 |
0.107 |
107 |
|
1 |
1.09 |
109 |
|
|
|
|
|
20 |
0 |
n.d. |
n.a. |
0.1 |
0.112 |
112 |
|
1 |
1.21 |
121 |
|
|
|
|
|
30 |
0 |
n.d. |
n.a. |
0.1 |
0.0992 |
99 |
|
1 |
1.13 |
113 |
|
|
|
|
|
34 |
0 |
n.d. |
n.a. |
0.1 |
0.107 |
107 |
|
1 |
1.20 |
120 |
|
A) Concentration for active ingredient, corrected for the purity of the test substance (29.9%) B) Not determined C) Not available D) Extra sample |
Table 3, BCF value of ADONA |
|||||||
Day |
Target Concentration ¹: 0.1 mg/L |
|
Target Concentration ¹: 1.0 mg/L |
||||
Cw ² [mg/L] |
Cf ³ [mg/kg] |
BCF |
|
Cw ² [mg/L] |
Cf ³ [mg/kg] |
BCF |
|
|
|||||||
1 |
0.10 |
0.010 |
0.10 |
|
1.1 |
0.092 |
0.084 |
3 |
0.12 |
0.011 |
0.093 |
|
1.2 |
0.093 |
0.078 |
7 |
0.10 |
0.010 |
0.094 |
|
0.90 |
0.049 |
0.055 |
10 |
0.056 |
0.0051 |
0.091 |
|
0.90 |
0.064 |
0.072 |
13 |
0.11 |
|
|
|
1.1 |
|
|
20 |
0.11 |
0.010 |
0.087 |
|
1.2 |
0.089 |
0.073 |
30 |
0.10 |
0.011 |
0.11 |
|
1.1 |
0.10 |
0.089 |
34 |
0.11 |
0.0093 |
0.087 |
|
1.2 |
0.077 |
0.064 |
1) Concentration for active ingredient, corrected for purity of test substance (29.9%) 2) Measured mean concentration of active ingredient in test medium 3) Measured mean concentration of active ingredient in fish |
Table 4, Percentage of lipid in fish |
|||||
Target Concentration ¹ [mg/L] |
Weighed Amount [g] |
Weight vessel [g] |
Weight vessel + Lipid [g] |
Lipid [g] |
Lipid [%] |
Day 0 |
|
|
|
|
|
Control |
8.79 |
99.78 |
100.1 |
0.32 |
4 |
Day 30 |
|
|
|
|
|
0.1 |
14.04 |
98.14 |
98.5 |
0.36 |
3 |
1.0 |
13.49 |
96.57 |
97.0 |
0.43 |
3 |
1) Concentration for active ingredient, corrected for purity of test substance (29.9%) |
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Remarks:
- Temperature variation ± 2 °C; Dissolved O2 concentration > 5 mg/L; Variation of actual test substance concentrations in water within ± 20% mean measured values; No mortality or adverse effects in either control or treated fish for whole test.
- Conclusions:
- The ADONA 34d mean BCF for 0.1 mg/L active ingredient concentration was 0.094 ± 0.0071 and for 1.0 mg/L active ingredient concentration was 0.074 ± 0.012.
- Executive summary:
MeDONA is hydrolytically unstable (T1/2 ca. 2 min in pure water). ADONA is the ammonium salt of the hydrolysis product.
The mean BCF of ADONA at concentrations of 0.1 and 1.0 mg/L active ingredient for a 34 day uptake period were 0.094 ± 0.0071 and 0.074 ± 0.012, respectively. As the BCF for the uptake was < 10, a depuration phase was not needed. Exposure concentrations were based on nominal concentrations as analytical results showed that concentrations were within 90 - 122% during the test period. The lipid extraction performed on control fish at the start of the study showed 4% lipid. On day 30 of the uptake period, test concentration fish showed 3% lipid at both 0.1 and 1.0 mg/L active ingredient. There is no substantial risk for bioconcentration of ADONA in fish.By extension, MeDONA does not pose a substantial risk for bioconcentration in fish.
Results Synopsis
Test Type: Flow through (based on data obtained using OECD 305 methodology)
34d BCF for 0.1 mg/L active ingredient: 0.094 ± 0.0071
34d BCF for 1.0 mg/L active ingredient: 0.074 ± 0.012
The 0.1 and 1.0 mg/L active ingredient concentrations correspond to nominal concentrations of 0.33 and 3.3 mg/L total product.
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