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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
