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EC number: 204-445-3
CAS number: 121-03-9
With high probability acutely not harmful to fish.
The acute toxicity to orange-red killifish (Oryzias latipes) of
4-nitrotolune-2-sulphonic acid after 96 hours of exposure was determined
according to a national standard protocol (JIS K 0102-1986-71: Testing
methods for industrial waste water. The results showed a LC50 (96 h) of
>100 mg/L. This result is supported by an investigation of the Bayer AG.
After 96 h of exposure a LC0 >1000 mg/L was measured using Danio
rerio as test organism. Based on these results,
4-nitrotoluene-2-sulphonic acid is acutely harmful to fish.
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