Nouryon Butanox D-50 Methyl ethyl ketone peroxide, dimethyl phthalate and TXIB solution 1338-23-4

Butanox D-50

Methyl ethyl ketone peroxide, dimethyl phthalate and TXIB solution

CAS No. 1338-23-4

Physical form: liquid

Butanox® D-50 is a general purpose MEKP. multi-purpose catalyst for curing gelcoats and promoting unsaturated polyester resins at room temperature.


Butanox® D-50 is an ideal multi-purpose catalyst for gelcoating and promoting room temperature curing of unsaturated polyester resins. The low hydrogen peroxide content of Butanox® D-50 reduces gelcoat porosity and improves the cure of vinyl ester resins. Butanox® D-50 also has a high MEKP monomer content, which reduces the cure time of some resin systems. Additional end-use information is available in various application sheets or directly from your Nouryon representative.

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