Inhibition of discoloration of cumene hydroperoxide

C - Chemistry – Metallurgy – 07 – C

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C07C 409/10 (2006.01) C07C 407/00 (2006.01) C07C 409/00 (2006.01)

Patent

CA 2215010

Discoloration of cumene hydroperoxide is reduced or inhibited by adding to the cumene hydroperoxide an effective amount on the order of 30 to 1000 ppm of a stabilizer of the formula R'C(O)OM wherein R' is alkyl, alkenyl, cycloalkyl or aryl containing 1-40 carbon atoms, or the formula R4NOH wherein each R is independently alkyl or cycloalkyl containing 1-40 carbon atoms.

La décoloration de l'hydroperoxyde de cumène est réduite ou inhibée par l'addition à l'hydroperoxyde de cumène d'une quantité efficace de l'ordre de 30 à 1 000 ppm d'un stabilisant de formule R'C(O)OM où R' est un alkyle, un alkényle, un cycloalkyle ou un aryle contenant de 1 à 40 atomes de carbone, ou de formule R4NOH où chacun des R est indépendamment un alkyle ou un cycloalkyle contenant de 1 à 40 atomes de carbone.

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