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EC number: 204-464-7
CAS number: 121-32-4
Table 2: Mortalities observed in each
Initial n° of fish in each exposure chamber
In a 96-h acute toxicity study
(Brooke, 1984), Fathead Minnows (Pimephales promelas) were
exposed to ethyl vanillin at nominal concentrations of 0 (control);
12.5; 25; 50; 100 & 200 mg./L under flow through conditions.
The 96-h LC50 was 87.6
mg a.i./L. 95% C.I.: 81.4 to 94.3 mg./L (based on measured
According to directive 67/548/CEE,
Ethylvanillin is considered as harmful for Pimephales
promelas in the conditions tested.
Although GLP were not mentionned and
validity criteria not detailled, this toxicity study satisfies the
guideline requirement and is therefore considered as reliable with
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