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Attachment—Tables of Peroxide Forming Compounds Table A--Chemicals that form explosive levels of peroxides without concentration. Butadinea Isopropyl ether Chloroprenea Divinylacetylene Potassium amide Potassium metal Sodium amide (sodamide) Tetrafluoroethylenea Vinylidene chloride Table B--Chemicals that form explosive levels of peroxides upon concentration Acetal Acetaldehyde Benzyl alcohol 2-Butanol Cumene Cyclohexanol 2-Cyclohexen-1-ol Cyclohexene Decahydronaphthalene Diacetylene Dicyclopentadiene Diethyl ether Diethylene glycol dimethyl ether (diglyme) Dioxanes Ethylene glycol dimethyl ether (glyme) 4-Heptanol 2-Hexanol Methylacetylene 3-Methyl-1-butanol Methylcyclopentane Methyl isobutyl ketone 4-Methyl-2-pentanol 2-Pentanol 4-Penten-1-ol 1-Phenylethanol 2-Phenylethanol 2-Propanol Tetrahydrofuran Tetrahydronaphthalene Vinyl ethers Other secondary alcohols Table C--Chemicals that may autopolymerize as a result of peroxide accumulation Acrylic acidb Acrylonitrileb Butadienec Chloroprenec Chlorotrifluoroethylene Methyl methacrylateb Styrene Tetrafluoroethylenec Vinyl acetate Vinylacetylene Vinyl chloride Vinylpyridine Vinyladiene chloride Attachment—Tables of Peroxide Forming Compounds Table D--Chemicals that may form peroxides but cannot clearly be placed in Tables A - C. Acrolein p-Chlorophenetole 4,5-Hexadien-2-yn-1-ol d d Allyl ether Cyclooctene n-Hexyl ether Allyl ethyl ether Cyclopropyl methyl ether o,p-Iodophenetole Allyl phenyl ether Diallyl etherd Isoamyl benzyl etherd p-(n-Amyloxy)benzoyl p-Di-n-butoxybenzene Isoamyl etherd chloride n-Amyl ether 1,2-Dibenzyloxyethaned Isobutyl vinyl ether Benzyl n-butyl etherd p-Dibenzyloxybenzened Isophoroned d Benxyl ether 1,2-Dichloroethyl ethyl B-Isopropoxyether propionitriled d Benzyl ethyl ether 2,4-Dichlorophenetole Isopropyl Benzyl methyl ether Diethoxymethaned Limonene Benzyl 1-napthyl etherd 2,2-Diethoxypropane 1,5-p-Methadiene 1,2-Bis(2-chloroethoxy)Diethyl ethoxymethylene- Methyl p-(nethane malonate amyloxy)benzoate d Bis(2 ethoxyethyl)ether Diethyl fumarate 4-Methyl-2-pentanone Bis(2(methoxyethoxy)Diethyl acetald n-Methylphenetole ethyl) ether Bis(2-chloroethyl) ether Diethyketenef 2-Methyltetra-hydrofuran Bis(2-ethoxyethyl) adipate m,o,p-Diethoxybenzene 3-Methoxy-1-butyl acetate Bis(2-ethoxyethyl) 1,2-Diethoxyethane 2-Methoxy-ethanol phthalate Bis(2-methoxyethyl) Dimethoxymethaned Methonxy-1,3,5,7carbonate cyclooctatetraene Bis(2-methoxyethyl) ether 1,1-Dimethoxyethaned B-Methoxy-propionitrile f Bis(2-methoxyethyl) Dimethylketene m-Nitro-phenetole phthalate Bis(2-methoxymethyl) 3,3-Dimethoxypropene 1-Octene adipate Bis(2-n-butoxyethyl) 2,4-Dinitrophenetole Oxybis(2-ethyl acetate) phthalate Bis(2-phenoxyethyl) ether 1,3-Dioxepaned Oxybis(2-ethyl benzoate) f Bis(4-chlorobutyl) ether Di(1-propynyl)ether B,B-oxydi-propionitrile Bis(chloromethyl) ethere Di(2-propynyl)ether 1-Pentene d 2-Bromomethyl ethyl Di-n-propoxymethane Phenoxyacetyl chloride ether B-Bromophenetole 1,2-Epoxy-3a-Phenoxy-propionyl isopropoxypropaned chloride o-Bromophenetole 1,2-Epoxy-3Phenyl o-propyl ether phenoxypropane p-Bromophenetole p-Ethoxyacetho-phenone p-Phenylphenetone 3-Bromopropyl phenyl 1-(2-Ethoxyethoxy)-ethyl n-Propyl ether ether acetate Attachment—Tables of Peroxide Forming Compounds 1,3-Butadiyne Buten-3-yne n-Butyl phenyl ether 2-Ethoxyethyl acetate (2-Ethoxyethyl)-o-benzoyl benzoate 1-Ethoxynaphthalene o,p-Ethoxyphenyl isocyanate 1-Ethoxy-2-propyne n-Butyl vinyl ether 3-Ethoxyopropionitrile Chloroacetaldehyde diethylacetald 2-Chlorobutadiene 2-Ethylacrylaldehyde oxime 2-Ethylbutanol 1-(2-Chloroethoxy)-2phenoxyethane Chloroethylene Ethyl B-ethoxypropionate 2-Ethylhexanal Chloromethyl methyl ethere B-Chlorophenetole o-Chlorophenetole Ethyl vinyl ether tert—Butyl ethyl ether tert-Butyl methyl ether Furan 2,5-Hexadiyn-1-ol n-Propyl isopropyl ether Sodium 8,11,14-eicosatetraenoate Sodium ethoxyacetylidef Tetrahydropyran Triethylene glycol diacetate Triethylene glycol dipropionate 1,3,3-Trimethoxypropened 1,1,2,3-Tetrachloro-1,3butadiene 4-Vinyl cyclohexene 2,4,5-trichlorophenoxyacetate Vinylene carbonate Vinylidene chlorided NOTES: a When stored as a liquid monomer. b Although these chemicals form peroxides, no explosions involving these monomers have been reported. c When stored in liquid form, these chemicals form explosive levels of peroxides without concentration. They may also be stored as a gas in gas cylinders. When stored as a gas, these chemicals may autopolymerize as a result of peroxide accumulation. d These chemicals easily form peroxides and should probably be considered under Part B. e OSHA - regulated carcinogen. f Extremely reactive and unstable compound.