Registration Dossier
Registration Dossier
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EC number: 939-647-7 | CAS number: 1474044-68-2
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
3h-EC10 for respiration, activated sludge = 330 mg/L (test material)
3h-EC10 for respiration, activated sludge = 99 mg/L a.i.
3h-EC50 for respiration, activated sludge = 570 mg/L (test material)
3h-EC50 for respiration, activated sludge = 171 mg/L a.i.
The 3h-EC10 value is read-across to cocoiminodipropionate.
Key value for chemical safety assessment
- EC50 for microorganisms:
- 171 mg/L
- EC10 or NOEC for microorganisms:
- 99 mg/L
Additional information
In a 3-h acute toxicity test, activated domestic sewage sludge were exposed to Deriphat 160C at nominal concentrations of 0 - 62.5 - 125 - 250 - 500 and 1000 mg/L. 3, 5-dichlorophenol was used as reference material at 1 - 10 and 100 mg/L (nominal concentration). The study was performed according to the OECD Guideline No 209 (1984). The 3h-EC50 value was determined at 570 mg/L and the 3h-EC10 value at 330 mg/L (based on nominal concentrations of the test material).
It corresponds to 171 and 99 mg/L respectively in active ingredient
This study is classified as acceptable and satisfies the guideline requirements for toxicity to microorganisms study with Activated Sludge.Results synopsis
Activated sludge
Static conditions
3h-EC50: 171 mg/L (nominal concentration, a.i.)
3h-EC10: 99 mg/L (nominal concentration, a.i.)
Endpoint Effected: respiration
This study was conducted on a similar substance to coco-iminodipropionate (only alkyl chain distribution differs) and then can be used for cocoiminodipropionate.
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