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EC number: 307-988-5 | CAS number: 97808-67-8
- 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
Link to relevant study record(s)
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Remarks:
- Experimental results of read across chemicals
- Justification for type of information:
- Data for the target chemical is summarized based on the structurally similar read across chemicals.
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Qualifier:
- according to guideline
- Guideline:
- other: Refer below
- Principles of method if other than guideline:
- WoE report is prepared based on short term toxicity to aquatic invertebrates study.
- GLP compliance:
- not specified
- Specific details on test material used for the study:
- - Name of test material: Benzenesulfonamide, 4-methyl-, reaction products with formaldehyde and melamine
- Molecular formula: C11H23N7O3S
- Molecular weight: 333.41 g/mol
- Smiles notation: C=O_CC1CCC(S(N)(=O)=O)CC1_Nc1nc(N)nc(N)n1
- Substance type: Organic
- Physical state: Solid - Analytical monitoring:
- not specified
- Vehicle:
- yes
- Details on test solutions:
- 1. PREPARATION AND APPLICATION OF TEST SOLUTION
The test substance was soluble in water. Therefore, the test solution was prepared by dissolving 50 mg of the test substance in 500 ml of ADaM’s media. Achieving test concentrations of 100 mg/L, respectively. - Test organisms (species):
- Daphnia magna
- Details on test organisms:
- 1. TEST ORGANISM
- Common name: Water flea
- Strain/clone: No data available
- Source: Own breeding of Daphnia magna
- Age: No data available
- Feeding during test : No feeding after hatching
- Food type: No data available
- Amount: No data available
- Frequency: No data available
ACCLIMATION
- Acclimation period: No data available
- Acclimation conditions (same as test or not): No data available
- Type and amount of food: No data available
- Feeding frequency: No data available
- Health during acclimation (any mortality observed): No data available
QUARANTINE (wild caught)
- Duration: No data available
- Health/mortality: No data available - Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 48 h
- Remarks on exposure duration:
- 24 hrs study was performed in study 2 and 3rd.
- Hardness:
- 1. 150.5 mg of CaCO3
- Test temperature:
- 1. 20 °C ± 2 °C
- pH:
- 1. 7.15
- Nominal and measured concentrations:
- 1. 100 mg/L
- Details on test conditions:
- 1. TEST SYSTEM
- Test vessel: The test vessels used were all glass beaker having the water capacity of 25ml.
- Material, size, headspace, fill volume: 20 ml
- Aeration: No aeration during experiment
- No. of organisms per vessel: 10 Daphnids
- No. of vessels per concentration (replicates): No data available
- No. of vessels per control (replicates): No data available
- No. of vessels per vehicle control (replicates): No data available
- Biomass loading rate: No data available
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water: No data available
- Total organic carbon: No data available
- Particulate matter: No data available
- Metals: No data available
- Pesticides: No data available
- Chlorine: No data available
- Alkalinity: No data available
- Ca/mg ratio: No data available
- Conductivity: No data available
- Salinity: No data available
- Culture medium different from test medium: No data available
- Intervals of water quality measurement: No data available
OTHER TEST CONDITIONS
- Adjustment of pH: No data available
- Photoperiod: 16 hours light and 8 hours dark
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) : Determination or calculation of the median effective concen trations (EC 50) and observations ((immobility, pH, Temperature, dissolved oxygen content) ) of the symptoms were done after 24 and 48 hours.
VALIDITY OF THE TEST:
1. In the control, including the control containing the solubilising agent, not more that 10 percent of the daphnids should have been immobiliz ed.
2. The dissolved oxygen concentration at the end of the test should be 3 mg/l in control and test vessels - Reference substance (positive control):
- not specified
- Key result
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: For study 1
- Duration:
- 24 h
- Dose descriptor:
- EC0
- Effect conc.:
- > 2 500 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: For study 2
- Key result
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- 109.13 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: For 3 study
- Details on results:
- 1. A 48 h study was conducted for test chemical on test daphnia, at a test concentrations of 100 mg/L. The daphnids were moving slowly as compared to control.No Immobility were found in the control beaker. EC50 (48 hours) Experimental = >100 mg/L
- Validity criteria fulfilled:
- yes
- Conclusions:
- 1. Based on nominal concentrations, experimental median effective Concentrations [EC-50 (48 h)] for test chemical on test daphnia was determine to be >100 mg/L.
2. Based on the immobility of daphnia magna by the exposure with the test chemical for 24 hrs, the EC0 was determine to be > 2500 mg/l.
3. Based on the immobility of daphnia magna by the test chemical, the EC50 value in 24 hrs was determined to be 109.13 mg/l. - Executive summary:
Short term toxicity of Benzenesulfonamide, 4-methyl-, reaction products with formaldehyde and melamine (97808 -67 -8) on the growth and other biological activity of aquatic invertebrates is predicted on the basis of it structurally and functionally similar read across chemicals. The studies are as mentioned below:
Short term toxicity study was performed to determine the toxic effect of the structurally and functionally similar read across chemicals on the invertebrates. Daphnia sp., Acute Immobilization Test according to OECD Guideline 202 was conducted for test chemical to assess the toxic effects of the test compound on the test Daphnids. Beaker containing 20ml of media with 10 Daphinds. A semi-static procedure was used for the study. The nominal concentration selected for the experiment was 100 mg/L and test Daphnids were exposed to this concentration for 48hours. The Effective concentrations EC50 was found to be >100 mg/L. Thus, according to the CLP Criteria for aquatic classification of thesubstance, it is concluded that test chemicaal does not exhibit toxicity to aquatic invertebrate (daphnia magna) andtherefore it cannot be classified as hazardous substance.
Similar study was performed for another structurally and functionally similar read across chemicals. Aim of this study was to investigate the effect of test chemical on the growth of aquatic invertebrates. Test conducted according to the standard OECD guidelines with the total exposure period of 24 hrs. Freshwater daphnia magna were used as a test organism. After the exposure period no effect were observed. Based on the immobility of daphnia magna by the exposure with the test chemical for 24 hrs, the EC0 was determine to be > 2500 mg/l. Thus based on the EC0, chemical was consider as nontoxic and not classified as per the CLP classification criteria.
Similarly Aim of this study was to determine the short term toxicity of test chemical on the growth and behavior of freshwater aquatic invertebrate daphnia magna for 24 hrs. Based on the immobility of daphnia magna by the test chemical, the EC50 value in 24 hrs was determined to be 109.13 mg/l. Based on the result, it was concluded that the test chemical was nontoxic and not classified according to the CLP regulations.
Thus based on the overall studies for the structurally and functionally similar read across chemical for Benzenesulfonamide, 4-methyl-, reaction products with formaldehyde and melamine (97808 -67 -8), it can be concluded that the test chemical was nontoxic as value ranges from > 100 to > 2500 mg/l and not classified as per the CLP classification criteria.
Reference
1.
OBSERVATIONS:
Immobility
Nominal Concentration (mg/l) |
Number of Daphnids |
Immobility |
||
0 h |
24 h |
48 h |
||
Control |
10 |
- |
- |
- |
100 |
10 |
- |
- |
- |
pH and oxygen content:
Nominal Concentration (mg/l) |
Number of daphnids |
pH(mg/L) |
|
0h |
48h |
||
Control |
10 |
7.13 |
7.17 |
100 |
10 |
7.15 |
7.20 |
Nominal Concentration (mg/l) |
Number of daphnids |
DO(mg/L) |
|
0h |
48h |
||
Control |
10 |
7.05 |
6.99 |
100 |
10 |
7.01 |
6.95 |
Test temperature
Nominal Concentration (mg/l) |
Number of daphnids |
Test temperature |
|
0h |
48h |
||
Control |
10 |
20.5 |
20.1 |
100 |
10 |
20.5 |
20.1 |
Description of key information
1. Based on nominal concentrations, experimental median effective Concentrations [EC-50 (48 h)] for test chemical on test daphnia was determine to be >100 mg/L.
2. Based on the immobility of daphnia magna by the exposure with the test chemical for 24 hrs, the EC0 was determine to be > 2500 mg/l.
3. Based on the immobility of daphnia magna by the test chemical, the EC50 value in 24 hrs was determined to be 109.13 mg/l.
Thus based on above data, the chemical was consider as nontoxic and not classified as per the CLP classification criteria.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 109.13 mg/L
Additional information
Short term toxicity of Benzenesulfonamide, 4-methyl-, reaction products with formaldehyde and melamine (97808 -67 -8) on the growth and other biological activity of aquatic invertebrates is predicted on the basis of it structurally and functionally similar read across chemicals. The studies are as mentioned below:
Short term toxicity study was performed to determine the toxic effect of the structurally and functionally similar read across chemicals on the invertebrates. Daphnia sp., Acute Immobilization Test according to OECD Guideline 202 was conducted for test chemical to assess the toxic effects of the test compound on the test Daphnids. Beaker containing 20ml of media with 10 Daphinds. A semi-static procedure was used for the study. The nominal concentration selected for the experiment was 100 mg/L and test Daphnids were exposed to this concentration for 48hours. The Effective concentrations EC50 was found to be >100 mg/L. Thus, according to the CLP Criteria for aquatic classification of thesubstance, it is concluded that test chemicaal does not exhibit toxicity to aquatic invertebrate (daphnia magna) andtherefore it cannot be classified as hazardous substance.
Similar study was performed for another structurally and functionally similar read across chemicals. Aim of this study was to investigate the effect of test chemical on the growth of aquatic invertebrates. Test conducted according to the standard OECD guidelines with the total exposure period of 24 hrs. Freshwater daphnia magna were used as a test organism. After the exposure period no effect were observed. Based on the immobility of daphnia magna by the exposure with the test chemical for 24 hrs, the EC0 was determine to be > 2500 mg/l. Thus based on the EC0, chemical was consider as nontoxic and not classified as per the CLP classification criteria.
Similarly Aim of this study was to determine the short term toxicity of test chemical on the growth and behavior of freshwater aquatic invertebrate daphnia magna for 24 hrs. Based on the immobility of daphnia magna by the test chemical, the EC50 value in 24 hrs was determined to be 109.13 mg/l. Based on the result, it was concluded that the test chemical was nontoxic and not classified according to the CLP regulations.
Thus based on the overall studies for the structurally and functionally similar read across chemical for Benzenesulfonamide, 4-methyl-, reaction products with formaldehyde and melamine (97808 -67 -8), it can be concluded that the test chemical was nontoxic as value ranges from > 100 to > 2500 mg/l and not classified as per the CLP classification criteria.
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