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EC number: 203-678-8
CAS number: 109-53-5
In contact with water the substance might hydrolyse rapidly, if acidic conditions are given.
A GLP test according to OECd guideline 111 revealed, that the substance
hydrolyses rapidly under acidic conditions at ph4 with half-lifes < 2h
at 20°C while the half-life increase up to ca. 50h at the same
temprtaure at pH7. At higher pH value pH9 no hydrolysis occured within
192 h of test duration. This reulst is supported by the findings of
Salomaa et al. (1966).They investigated the protolytic cleavage of
isobutyl vinyl ether especially under acidic conditions. As result it
can be assumed, that the ether bond is split under acidic conditions to
form isobutanole and acetaldehyde as degradation products which are
themselves hydrolytically stable. Furthermore, both substances are not
classified regarding the environment. As the acute tests on aquatic
organisms were performed under slightly alkaline conditions and an
analytical test item verification took place, these tests can be
regarded as valid for assessment.
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