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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 appropriate low concentrations.

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Additional information

Phtalocyanines were proofed to be not toxic to microorganisms by several studies. The effect of the Cu-Phthalocyanine 1328 -53 -6 on the respiration rate Pseudomonas putida. was tested by a test following German standard DIN 38412 part 27. The solubility of CAS 1328-53-6 increased by a solubiliser. An EC50 >10000 after 30 minutes was determined.