Registration Dossier
Registration Dossier
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EC number: 202-495-0 | CAS number: 96-27-5
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- see attached justifications
- Reason / purpose for cross-reference:
- read-across source
- Key result
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 2.6 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- other: read across from GMT
- Basis for effect:
- growth rate
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC10
- Effect conc.:
- 3.4 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- other: read across from GMT
- Basis for effect:
- growth rate
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 11 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- other: read across from GMT
- Basis for effect:
- growth rate
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC10
- Effect conc.:
- 0.94 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- other: read across from GMT
- Basis for effect:
- biomass
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 4.6 mg/L
- Nominal / measured:
- estimated
- Conc. based on:
- other: read across from GMT
- Basis for effect:
- biomass
- Validity criteria fulfilled:
- not applicable
- Conclusions:
- Based on read-across from GMT and after correction for molecular weight, the 72-h EC50 of TG against algae is 5.7 mg/L.
Reference
Description of key information
Based on read-across from GMT and after correction for molecular weight, the 72-h EC50 of TG against algae is 5.7 mg/L.
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 5.7 mg/L
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
