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EC number: 276-380-9
CAS number: 72140-65-9
Analysis after hydrolysis revealed three products; two chemicals with
moderate water solubility, crotononitrile (CAS# 4786-20-3) and
tetrafluoroborate anion (tetrafluoroboric acid, CAS# 16872-11-0), along
with the poorly soluble chemical, dodecyl ethyl sulfide (No CAS#).
Because of the differential solubilities of the hydrolysis products and
formation of an oily phase, it was determined that the aquatic toxicity
tests could not be conducted on the parent material as the insoluble
materials could not be removed while maintaining a consistent series of
exposures. Test data on the hydrolysis products in pure form was
collected instead. In the case of dodecyl ethyl sulfide, the pure
material is not commercially available. Dodecyl methyl sulfide was
substituted as the closest available surrogate. Short-term toxicity
testing results for these hydrolysis products follow in subsequent
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