Registration Dossier
Registration Dossier
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EC number: 239-816-9 | CAS number: 15721-78-5
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
the effect of bis(4-(1,1,3,3-tetramethylbutyl)phenyl)amine on the respiration of activated sewage sludge micro-organisms gave a 3-Hour EC50 value of greater than 1000 mg/L. The NOEC after 3 hours exposure is 1000 mg/L (Harlan Laboratories Ltd, 2012).
Key value for chemical safety assessment
- EC10 or NOEC for microorganisms:
- 1 000 mg/L
Additional information
In an OECD 209, 3- hour toxicity to sewage microorganisms, conducted according to GLP, the NOEC of bis(4-(1,1,3,3-tetramethylbutyl) phenyl) amine is100% v/v saturated solution (tested at the limit of water solubility) (Harlan Laboratories, 2012).
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