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Short-term toxicity to aquatic invertebrates

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Description of key information

Key value for chemical safety assessment

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Short term effects on aquatic invertebrates ranged from 45 to 1376 mg B/L. Equivalent concentrations of potassium pentaborate would be:

Anhydrous: 184 to 5639 mg/L,

Tetrahydrate: 244 to 7466 mg/L.

These data support a conclusion that borates should not be classified as dangerous for the environment.