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List A
List A chemicals should be tested for peroxide formation before using or discarded after 3 months.
* Indicates a peroxide former when stored as a liquid monomer.
Butadiene * |
Chloroprene * |
Divinyl acetylene |
Isopropyl ether |
Potassium amide |
Potassium metal |
Sodium amide |
Tetrafluoroethylene * |
Vinyldiene chloride |
List B
List B chemicals should be tested for peroxides before distillation or evaporation and tested for peroxide formation or discarded after 1 year.
Acetal |
Acetalaldehyde |
Benzyl alcohol |
Chlorofluoroethylene |
Cumene (isopropylbenzene) |
Cyclohexene |
2-Cyclohexen-1-ol |
Cyclopentene |
Decahydronaphthalene (decalin) |
Diacetylene (butadiyne) |
Dicyclopentadiene |
Diethylene glycol dimethyl ether (diglyme) |
Dioxane |
Ethyl ether |
Furan |
4-Heptanol |
2-Hexanol |
Methyl acetylene |
3-Methyl-1-butanol |
Methyl-isobutyl ketone |
Methylcyclopentane |
2-Pentanol |
4-Penten-1-ol |
Phenylethanol |
Tetrahydrofuran |
Tetrahydronaphthalene |
Vinyl ethers |
Other secondary alcohols |
List C
List C chemicals should be tested for peroxide formation or discard liquids aftter 6 months; and gases after 1 year.
** Can form explosive levels of peroxides if stored as a liquid. When stored as gas, peroxide accumulation may cause autopoly- merization.
Butadiene ** |
Chlorobutadiene |
Chloroprene ** |
Chlorotrifluoroethylene |
Styrene |
Tetrafluoroethylene ** |
Vinyl acetate |
Vinyl acetylene |
Vinyl chloride |
Vinyl pyridine |
Vinyldiene chloride |
References
Clark, Donald E., Peroxides and Peroxide Forming Compounds, 2000. Texas A&M University. Boston University