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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

For the principle glycol ether components of the glycol ethers heavies mixture, acute aquatic LC50 values in fish are in excess of 1000 mg/L.  The sodium methanolate component may hydrolyze to methanol and sodium hydroxide, with the hydroxide being the determinant of acute aquatic toxicity.  For sodium hydroxide, a representative LC50 value in freshwater fish of 189 mg/L was reported.

Key value for chemical safety assessment

LC50 for freshwater fish:
189 mg/L

Additional information