Selenium(IV) Oxide, is an important reagent in organic synthesis. Oxidation of paraldehyde (acetaldehyde trimer) with SeO2 gives glyoxal and the oxidation of cyclohexanone gives cyclohexane-1,2-dione.
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Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
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