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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

The lethal concentration (LC50) value of phthalylsulfathiazole in fish (Pimephales promelas) in a 96 hr study on mortality effect was estimated to be 26.87273mg/L.

Key value for chemical safety assessment

LC50 for freshwater fish:
26.873 mg/L

Additional information

The lethal concentration (LC50) value of phthalylsulfathiazole in fish (Pimephales promelas) in a 96 hr study on mortality effect was estimated to be 26.87273mg/L. The supporting studies also predicted an LC50 value above 20 mg/L

 

Sr. No

Endpoint name

Value

Units

Species

1

LC50 26.87273 mg/l Pimephales promelas
 2  LC50  26.03736  mg/l  Oncorhynchus mykiss
 3  LC50  21.81385  mg/l  Lepomis macrochirus

 

So, based on the classification criteria the substance will be classified in category 3.