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Long-term toxicity to aquatic invertebrates

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Link to relevant study record(s)

Description of key information

No long-term toxicity study in invertebrates is available for propylene glycol butyl ether.

Key value for chemical safety assessment

Additional information

Based on the favourable acute aquatic toxicity data (no classification, PNEC = 0.5 mg/l), the readily biodegradability of the substances and the estimated PEC/PNEC ratios (clearly <1 for all exposure scenarios), no long-term testing for aquatic invertebrates is proposed.