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EC number: 201-627-4
CAS number: 85-73-4
The no observed effect concentration (NOEC) value of phthalylsulfathiazole in green algae (Pseudokirchnerella subcapitata) in a 72 hr study on growth effect was estimated to be 2.589638 mg/L.
The no observed effect concentration (NOEC)
value of phthalylsulfathiazole in green algae (Pseudokirchnerella
subcapitata) in a 72 hr study on growth effect was estimated to be
2.589638 mg/L. It is concluded that phthalylsulfathiazole exhibit short
term toxicity to green algae (Pseudokirchnerella subcapitata) in category
on the above the endpoint values and considering the CLP Criteria for
aquatic classification it can be concluded that the substance
phthalylsulfathiazole exhibit short term toxicity to aquatic algae
(Pseudokirchnerella subcapitata) in category 3
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