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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

For the determination of the toxicity to microorganisms a key and a supporting study are available. In the key study the toxicity of KMPS triple salt to the gram negative bacterium Pseudomonas putida was determined in a growth inhibition test, according to the guideline of the German Umweltbundesamt: "Bewertung wassergefährdender Stoffe: Bestimmung der akuten Bakterientoxizität". The supporting study was conducted according to OECD Guideline 209. 

Key value for chemical safety assessment

EC50 for microorganisms:
179 mg/L
EC10 or NOEC for microorganisms:
108 mg/L

Additional information

In the key study the toxicity of KMPS triple salt to the gram negative bacterium Pseudomonas putida was determined in a growth inhibition test, according to the guideline of the German Umweltbundesamt: "Bewertung wassergefährdender Stoffe: Bestimmung der akuten Bakterientoxizität". The toxicity threshold, defined as 10% inhibition was determined to be EC10 = 108 mg KMPS triple salt/L.