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Short-term toxicity to fish

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Description of key information

Key value for chemical safety assessment

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In water, potassium methanolate rapidly hydrolyses to methanol and potassium hydroxide (OECD, 2002). Due to the rapid hydrolysis of potassium methanolate, the assessment of the aquatic toxicity is based on the products of hydrolysis i.e. methanol and potassium hydroxide. No studies on the short-toxicity to fish are available for potassium methanolate.

In conclusion, the data available for the degradation products of potassium methanolate (methanol and potassium hydroxide) are sufficient to assess the environmental hazard instead of the parent substance itself. Potassium methanolate is of low toxicity to aquatic species as shown in all studies.