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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriately low concentrations.

Key value for chemical safety assessment

Additional information

In a test performed according to ISO 8192 B, activated sludge (industrial) was exposed to di-isopropanolamine for 30 minutes and an EC20 of > 1995 mg/l was determined (BASF AG, 1981). In a test on Pseudomonas putida a toxicity threshold concentration of 15000 mg/l (equivalent to EC3) was determined (BASF AG, 1988).