Table 1--Chemicals Associated with Occupational Asthma

Chemical Name Alternate Name Occupation or Industry
Acrylates & Methacrylates
Ethyl cyanoacrylate Ethyl-2-cyanoacrylate Building airplane models
Methyl 2-cyanoacrylate   Using adhesives
Ethyl methacrylate   Manicurist
Methyl methacrylate   Nurse
Ethoxylated bisphenol A diacrylate   Autobody shop worker
Aluminum   Solderer
Chromium and compounds   Printer, plater, welder, tanner
Cobalt   Hard metal grinder, diamond polisher
Nickel and compounds   Metal plating; welder
Palladium   Assembly line worker
Platinum   Platinum refinery
Tungsten carbide   Grinder
Zinc chloride fume   Solderer
Formaldehyde   Hospital staff
Glutaraldehyde Cidex Hospital endoscopy unit
Ethylenediamine 1,2-Diaminoethane Shellac handler; photographer
Hexamethylene tetramine   Lacquer handler
N,N-Dimethyl-1,3-propanediamine DMAPA Ski manufacturer
Triethylene tetramine   Manufacturing aircraft filters
EPO 60   Mold maker
Trimethylhexanediamine + Isophorondiamine   Floor covering material salesman
4-Methylmorpholine   Manufacturing polyurethane foam
Piperazine dihydrochloride   Pharmaceutical and chemical manufacturing
p-Phenylene diamine   Fur dyeing
Ethanolamine 2-Aminoethanol Beauty culture
N,N-Dimethylethanolamine   Spray painter
N-(2-hydroxyethyl)ethylenediamine Aminoethylethanolamine Solderer; cable jointer
Triethanolamine   Metal worker
Acid Anhydrides
Chlorendic anhydride   Mechanic
Hexahydrophthalic anhydride   Chemical worker
Himic anhydride   Manufacturing flame retardant
Maleic anhydride   Manufacturing polyester resin
Methyltetrahydrophthalic anhydride   Using curing agent
Phthalic anhydride   Producing resins
Pyromellitic dianhydride   Using epoxy adhesives
Tetrachlorophthalic anhydride   Using epoxy resins
Trimellitic anhydride   Using epoxy resins
Benzalkonium chloride   Using cleaning product
1,2-Benzisothiazolin-3-one   Chemical manufacturing
Chloramine T   Chemical manufacturing; brewery; janitorial/cleaning
Chlorhexidine Hibiclens Nurse
Hexachlorophene   Hospital staff
Isononanoyl oxybenzene sulfonate   Laboratory technician
Lauryl dimethyl benzyl ammonium chloride   Using floor cleaner
Methylchloro-isothiazolinone   Chemical manufacturing
Dicyclohexylmethane 4,4-diisocyanate Hydrogenated MDI Manufacturing polyurethane products
Hexamethylene diisocyanate HDI Spray painter
Isophorone diisocyanate IPDI Spray painter
Methylene bisphenyl isocyanate MDI; Diphenylmethane diisocyanate Foundry
Naphthalene diisocyanate NDI Rubber manufacturing
Polymethylene polyphenyl isocyanate PPI Paint shop worker
Toluene diisocyanate TDI Producing polyurethanes; floor varnisher
Plastic & Rubber Dusts
Azodicarbonamide 1,1'-Azobisformamide Rubber and plastic manufacturing
Plexiglass (dust) Lucite; Methyl methacrylate polymer; Factory worker
Polyvinyl chloride (heated)   Meat wrapper's asthma
Polyvinyl chloride (dust)   Manufacturing bottle caps
Polyethylene (heated)   Paper wrapper's asthma
Polypropylene (heated)   Manufacturing bags
Pyrolysis Products
Rosin core solder Rosin flux pyrolysis products Electronics worker; manufacturing solder flux
Zinc chloride fume   Solderer; locksmith
Bis(tri-n-butyltin)oxide Tributyltin oxide Exposure to carpet deodorizer
Captafol Difolatan Chemical manufacturing
Chlorothalonil Tetrachloroisophthalonitrile Farmer
Other Chemicals
Aluminum smelting Yet to be identified substance or mixture (? aluminum, ? fluorides) that can cause "potroom asthma" in workers at electolytic reduction facilities Potroom worker
Ammonium persulphate   Hairdresser
Diazonium salt  e.g., diazonium tetrafluoroborate and p-diethylaminobenzenediazonium chloride; Manufacturing photocopy paper; manufacturing fluorine polymer precursor
Dioctyl-phthalate   PVC production worker
Drugs (See Skin and Respiratory Allergens--Drugs) Pharmacist; pharmaceutical worker
Ethylene Oxide   Nurse
Furfuryl alcohol   Foundry mold making; wool dye house
Ninhydrin   Laboratory worker
Nitrogen chloride   Indoor pool lifeguards
Oil mist, mineral Metalworking or machining fluids, cutting oils (may contain numerous additives and contaminants) Toolsetter and automobile plant
Styrene   Plastics factory
Sulfites   Water plant; food processor
Tetramethrin   Exterminator
Tetrazene   Detonator manufacturing
Textile dyes (See Skin and Respiratory Allergens--Dyes) Textiles, dye manufacturing
Triglycidyl isocyanurate   Spray painter
Urea formaldehyde Kaurit S Resin and foam manufacturing

Permission to use table from Moira Chan-Yeung. For the up-to-date version, see


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  Revised May 30, 2018

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