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.
危险品:
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package