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EC number: 204-541-5 | CAS number: 122-40-7
- 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
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Justification for type of information:
- Data is from J-check authoritative databases
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Principles of method if other than guideline:
- Short term toxicity study of alpha-Amyl cinnamaldehyde on algal growth inhibition test was carried out for 72hrs
- GLP compliance:
- not specified
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): alpha-Amyl cinnamaldehyde
- Molecular formula (if other than submission substance): C14H18O
- Molecular weight (if other than submission substance): 202.2952
- Smiles notation (if other than submission substance): c1(\C=C(\CCCCC)C=O)ccccc1
- InChl (if other than submission substance): 1S/C14H18O/c1-2-3-5-10-14(12-15)11-13-8-6-4-7-9-13/h4,6-9,11-12H,2-3,5,10H2,1H3/b14-11-
- purity- No data - Analytical monitoring:
- not specified
- Details on sampling:
- No data
- Vehicle:
- not specified
- Details on test solutions:
- No data
- Test organisms (species):
- not specified
- Details on test organisms:
- No data
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 72 h
- Remarks on exposure duration:
- No data
- Post exposure observation period:
- No data
- Hardness:
- No data
- Test temperature:
- No data
- pH:
- No data
- Dissolved oxygen:
- No data
- Salinity:
- No data
- Conductivity:
- No data
- Nominal and measured concentrations:
- Nominal
- Details on test conditions:
- No data
- Reference substance (positive control):
- not specified
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 1.5 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.21 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 2.3 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: AUG
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.66 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: AUG
- Details on results:
- No data
- Results with reference substance (positive control):
- No data
- Reported statistics and error estimates:
- No data
- Validity criteria fulfilled:
- not specified
- Conclusions:
- Based on the growth rate the EC50 and the NOEC concentration was >1.5 mg/l and 0.21mg/l. and on the basis of AUG, the EC50 and NOEC concentration was 2.3mg/l and 0.66mg/l.
- Executive summary:
Short term toxicity study of alpha-Amyl cinnamaldehyde to algal growth inhibition test was carried out for 72hrs on the freshwater algae. Study performed by using static method. Based on the growth rate the EC50 and the NOEC concentration was >1.5 mg/l and 0.21mg/l. And on the basis of AUG, the EC50 and NOEC concentration was 2.3mg/l and 0.66mg/l. Based on the above concentration the chemical can be considered as toxic at environmentally relevant concentrations..
Reference
Description of key information
Based on the experimental key study (Japan chemicals collaborative knowledge database (J-check), 2017), Short term toxicity study of alpha-Amyl cinnamaldehyde to algal growth inhibition test was carried out for 72hrs on the freshwater algae. Study performed by using static method. Based on the growth rate the EC50 and the NOEC concentration was >1.5 mg/l and 0.21mg/l. But on the basis of AUG, the EC50 and NOEC concentration was increases i.e. 2.3mg/l and 0.66mg/l. based on the above concentration of NOEC and EC50 the chemical alpha-Amyl cinnamaldehyde is toxic to aquatic algae at environmentally relevant concentrations.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 2.3 mg/L
- EC10 or NOEC for freshwater algae:
- 0.66 mg/L
Additional information
Based on the various experimental data and prediction data by using the EPI suite ECOSAR for the target chemical have been reviewed to determine the toxic nature of alpha-Amyl cinnamaldehyde (122-40-7), IUPAC name 2-benzylideneheptanal. The studies are as mentioned below:
Based on the experimental key study (Japan chemicals collaborative knowledge database (J-check), 2017), Short term toxicity study of alpha-Amyl cinnamaldehyde to algal growth inhibition test was carried out for 72hrs on the freshwater algae. Study performed by using static method. Based on the growth rate the EC50 and the NOEC concentration was >1.5 mg/l and 0.21mg/l. But on the basis of AUG, the EC50 and NOEC concentration was increases i.e. 2.3mg/l and 0.66mg/l. based on the above concentration of NOEC and EC50 the chemical alpha-Amyl cinnamaldehyde can be classified in the chronic category 2 as per the classification.
In the study (ECOSAR Version 1.11),Based on the prediction done using the EPI Suite ECOSAR version 1.11, the short term toxicity on green algae was predicted for test substance α-Amyl Cinnamaldehyde, CAS (122 -40 -7). On the basis of effects observed in a static freshwater system, the effect concentration EC50 value for the substance is estimated to be 1.715mg/l for Species for 96hrs duration. Based on this value, it can be concluded that the test chemical α-Amyl Cinnamaldehyde can be considered as toxic to green algae at environmentally relevant concentrations and can be considered to be classified in chronic category 2 as per the CLP classification criteria.
In the supporting study (Timothy J. Ward, Derek C. Wyskiel, Robert L. Boeri, 2003) Growth and reproduction toxicity test with alpha-Amyl cinnamaldehyde on the freshwater alga,Selenastrum capricornutum was carried out for 72hrs by using static method at different concentrations. Control and stability sample was also use with the incubation period of 72hrs. Results observed at the interval of 24hrs. After 48hrs incubation EC50 was 1.82, 1.89, 1.58mg/l on the basis of no of cells, average specific growth rate, and area under the growth curve. With the 95% confidence limit of 1.38-2.41, 1.58-2.25, 1.20-2.09. But after 72hrs the EC50 value was 1.18mg/l,1.88mg/l, 1.24mg/l on the basis of no of cells, average specific growth rate, and area under the growth curve (AUG) with the 95% confidence limit of 1.03 to 1.36, 1.79 to 1.97mg/l, 1.09 to 1.41 mg/l. Based on the growth inhibition of the test Selenastrum capricornutum the 72hrs EC50 Value was 1.18mg/l, 1.88mg/l, 1.24mg/l on the basis of no of cells, average specific growth rate, and area under the growth curve (AUG). And the NOEC was 0.154mg/l. Based on the EC50 it can be concluded that the chemical alpha-Amyl cinnamaldehyde can be classified in chronic category 2 as per the CLP classification criteria.
In another supporting study for evaluating the toxic nature of chemical alpha-amyl cinnamaldehyde (122-40-7) (Inventory Multitiered Assessment and Prioritisation, NICNAS, 2017) Short term toxicity study to Pseudokirchneriella subcapitata was carried out by using the chemical alpha-Amyl cinnamaldehyde (IUPAC name 2-benzylideneheptanal) for 48 and 72 hrs. The experiment perform as per the OECD guideline, by using static method. Based on the growth inhibition of daphnia magna by the exposure of alpha-Amyl cinnamaldehyde the EC50 and the NOEC concentration was 1.88mg/l and 0.15mg/l. based on the above concentration the chemical classified in the chronic category 2 as per the CLP classification.
Thus, based on the overall reported results for target chemical α-Amyl Cinnamaldehyde, CAS (122-40 -7)andIUPAC name 2-benzylideneheptanal, from J-check, Timothy J. Ward, Derek C. Wyskiel, Robert L. Boeri, 2003, (Inventory Multitiered Assessment and Prioritisation, NICNAS, 2017 and prediction from ECOSAR version 1.11. it can be considered as toxic to aquatic environment and can be considered to be classified in chronic category 2 as per the CLP classification criteria.
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