| Español | Inglés |
| abate (temefós) | abate |
| aceite vegetal, rocio | vegetable oil mist |
| acetaldehído | acetaldehyde |
| acetato de butil (acetato de n-butilo) | butyl acetate (n-butyl acetate) |
| acetato de etilo | ethyl acetate |
| acetato de 2-etoxietilo | 2-ethoxyethylacetate |
| acetato de isoamilo | isoamyl acetate |
| acetato de isobutilo | isobutyl acetate |
|
|
| acetato de isopropilo | isopropyl acetate |
| acetato de metilo | methyl acetate |
| acetato de n-amilo | n-amyl acetate |
| acetato de n-propilo | n-propyl acetate |
| acetato de sec-amilo | sec-amyl acetate |
| acetato de terc-butilo | tert-butyl acetate |
| acetato de vinilo | vinyl acetate |
| acetato del butilo-sec | sec-butyl acetate |
| acetato del sec-hexilo | sec-hexyl acetate |
| acetileno | acetylene |
| acetileno de metilo | methyl acetylene (propyne) |
| acetona | acetone |
| acetonitrilo | acetonitrile |
| ácido acético | acetic acid |
| ácido crómico y cromados (como CrO3) | chromic acid and chromates (as CrO3) |
| ácido fórmico | formic acid |
| ácido fosfórico | phosphoric acid |
| ácido nítrico | nitric acid |
| ácido oxálico | oxalic acid |
| ácido pícrico | picric acid |
| ácido sulfúrico | sulfuric acid |
| acrilamida | acrylamide |
| acrilato de etilo | ethyl acrylate |
|
|
| acrilato de metilo | methyl acrylate |
| acrilonitrilo | acrylonitrile |
| acroleína | acrolein |
| alcanfor, sintético | camphor, synthetic |
| alcohol alílico | allyl alcohol |
| alcohol butílico-n | n-butyl alcohol |
| alcohol diacetona (4-hidroxi-4-metil-2-pentanona) | diacetone alcohol (4-hydroxy-4-methyl-2-pentanone) |
| alcohol etílico | ethyl alcohol |
| alcohol furfurílico | furfuryl alcohol |
| alcohol isoamílico (primario y secundario) | isoamyl alcohol (primary and secondary) |
| alcohol isobutílico | isobutyl alcohol |
| alcohol isopropílico | isopropyl alcohol |
| alcohol metílico (metanol) | methyl alcohol (methanol) |
| alcohol propargílico | propargyl alcohol |
| alcohol sec-butílico | sec-butyl alcohol |
| alcohol terc-butílico | tert-butyl alcohol |
| aldrina | aldrin |
| algodón, polvos | cotton dust |
| algodón, polvos (crudo) | cotton dust (raw) |
| almidón | starch |
| alúmina alfa | alpha alumina |
| aluminio, polvo de metal | aluminum metal dust |
| amoníaco | ammonia |
| anhídrido acético | acetic anhydride |
| anhídrido ftálico | phthalic anhydride |
| anhídrido maléico | maleic anhydride |
| anilina y homólogos | aniline and homologs |
| anisidina (o, p-isómeros) | anisidine (o, p-isomers) |
| antimonio y compuestos (como Sb) | antimony and compounds (as Sb) |
| arseniato de cálcico | calcium arsenate |
| arseniato de plomo | lead arsenate |
| arsenicos inorgánicos (como As), compuestos | arsenic inorganic compounds (as As) |
| arsenicos orgánicos (como As), compuestos | arsenic organic compounds (as As) |
| arsine | arsine |
| asbesto | asbestos |
| asfalto (petróleo), emanaciones | asphalt (petroleum) fumes |
| bario (compuestos solubles) | barium (soluble compounds) |
| benceno | benzene |
| bencidina | benzidine |
| benomilo | benomyl |
| berilio y compuestos de berilio | beryllium and beryllium compounds |
|
|
| bromo | bromine |
| bromocloro metano (clorobromometano) | chlorobromomethane |
| bromoformo | bromoform |
| bromuro de etilo | ethyl bromide |
| bromuro de hidrógeno | hydrogen bromide |
| bromuro de metilo | methyl bromide |
| bromuro de vinilo | vinyl bromide |
| butadieno | butadiene |
| butano | butane |
| 2-butanona (metil etil cetona) | 2-butanone (methyl ethyl ketone) |
| butanotiol (butil mercaptano) | butyl mercaptan |
| butil amina | butylamine |
| p-terc-butiltolueno | p-tert-butyltoluene |
| 2-butoxietanol (butil “cellosolve”) | 2-butoxyethanol (butyl cellosolve) |
| cadmio, polvo y emanaciones (como Cd) | cadmium dust and fume (as Cd) |
| caliza | limestone |
| canfeno clorado | chlorinated camphene |
| caolín | kaolin |
| caprolactama | caprolactam |
| carbarilio (”sevin”) | carbaryl (Sevin) |
| carbonato de calcio | calcium carbonate |
| carburo de silicio | silicon carbide |
| celulosa | cellulose |
| cemento Portland | Portland cement |
| cetena | ketene |
| 2-cianoacrilato de metilo | methyl 2-cyanoacrylate |
| cianógeno | cyanogen |
| cianuro (como Cn) | cyanide (as CN) |
| cianuro de hidrógeno | hydrogen cyanide |
| cianuro de vinilo | vinyl cyanide |
| ciclohexano | cyclohexane |
| ciclohexanol | cyclohexanol |
| ciclohexanona | cyclohexanone |
| ciclonita | RDX (Cyclonite) |
| ciclopentadieno | cyclopentadiene |
| clopidol | clopidol |
| clordán | chlordane |
| clorhidrina etilénica | ethylene chlorohydrin |
| cloro | chlorine |
| 1-cloro 1-nitropropano | 1-chloro-1-nitropropane |
| 2-cloro-6-(triclorometil) piridina (nitropirina) | 2-chloro-6-(trichloromethyl) pyridine |
| 2-cloro-1,3-butadieno (β-cloropreno) | beta-chloroprene (2-chloro-1,3-butadiene) |
| cloroacetaldehido | chloroacetaldehyde |
| a-cloroacetofenona | a-chloroacetophenone |
|
|
| o-clorobenzilideno malononitrilo | o-chlorobenzylidene malononitrile |
| clorobenzeno | chlorobenzene |
| clorobifenilo (42% cloro) | chlorodiphenyl (42% chlorine) |
| clorobifenilo (54% cloro) | chlorodiphenyl (54% chlorine) |
| cloroformo (triclorometano) | chloroform (trichloromethane) |
| cloropicrina | chloropicrin |
| cloruro de alilo | allyl chloride |
| cloruro de etilo | ethyl chloride |
| cloruro de hidrógeno | hydrogen chloride |
| cloruro de metileno | methylene chloride |
| cloruro de metilo | methyl chloride |
| cloruro de vinilo | vinyl chloride |
| cloruro de zinc, emanaciones | zinc chloride fume |
| cloruro del bencilo | benzyl chloride |
| cobalto, metal, polvo y emanaciones | cobalt metal, fume & dust |
| cobre, emanaciones | copper fume |
| coque, gas de horno | coke oven emissions |
| corundum (A1203) | corundum (A1203) |
| crag, herbicida (sesona) | crag herbicide (Sesone) |
| cresol (todos los isómeros) | cresol (all isomers) |
| cromato terc-butílico (como Cr03) | tert-butyl chromate (as Cr03) |
| cromo (II) compuestos (como Cr) | chromium (II) compounds (as Cr) |
| cromo (III) compuestos (como Cr) | chromium (III) compounds (as Cr) |
| cromo, metal y sales insolubles | chromium metal & insoluble salts |
| crotonaldehído | crotonaldehyde |
| cumeno | cumene |
| 2,4-D (ácido 2,4 dicloro fenoxiacético) | 2,4-D (2,4-Dichlorophenoxyacetic acid) |
| DDT (diclorodifeniltricloroetano) | DDT (dichlorodiphenyltrichlorethane) |
| decaborano | decaborane |
| demetón (systox) | demeton (Systox) |
| destilados de petróleo (disolvente de hule) | petroleum distillates (rubber solvent) |
| diazinón | diazinon |
| diazometano | diazomethane |
| diborano | diborane |
| 1,2-dibromo-3-cloropropano | 1,2-dibromo-3-chloropropane (DBCP) |
| dibromuro de etileno | ethylene dibromide |
| 2-n-dibutilaminoetanol | 2-n-dibutylaminoethanol |
| 1,1-dichloroetano | 1,1-dichloroethane |
| diciclopentadienil hierro | dicyclopentadienyl iron |
| 1,2-dicloretileno | 1,2-dichlorethylene |
| 1,3-dicloro-5,5 dimetilhidantoina | 1,3-dichloro-5, 5-dimethylhydantoin |
| 1,1-dicloro-1-nitroetano | 1,1-dichloro-1-nitroethane |
| dicloroacetileno | dichloroacetylene |
| o-diclorobenceno | o-dichlorobenzene |
| p-diclorobenceno | p-dichlorobenzene |
| 3,3-diclorobenzidina | 3,3-dichlorobenzidine |
| diclorodifluometano | dichlorodifluoromethane |
| diclorofluorometano | dichloromonofluoromethane |
| diclorometano | dichloromethane |
| diclorotetrafluoroetano | dichlorotetrafluoroethane |
| dicloruro de etileno | ethylene dichloride |
| dicloruro de propileno | propylene dichloride |
| Diclorvos | Dichlorvos (DDVP) |
| dieldrina | dieldrin |
| dietilamina | diethylamine |
| dietilaminoetanol | 2-diethylaminoethanol |
| dietilentriamina | diethylene triamine |
| difenilamina | diphenylamine |
| difenilo (bifenilo) | diphenyl (biphenyl) |
| difluorodibromometano | difluorodibromomethane |
| diisobutilcetona | diisobutyl ketone |
| diisocianato de hexametileno | hexamethylene diisocyanate |
| diisocianato de isoforona | isophorone diisocyanate |
| diisocianato de naftaleno | naphthalene diisocyanate (NDI) |
| diisopropilamina | diisopropylamine |
|
|
| 1,1-dimethylhydrazina | 1,1-dimethylhydrazine |
| N,N-dimetilacetamida | dimethyl acetamide |
| dimetilamina | dimethylamine |
| N,N-dimetilanilina | dimethylaniline (N,N-dimethylaniline) |
| dimetilbenceno | dimethylbenzene |
| N,N dimetilformamida | dimethylformamide |
| dimetoximetano | methylal (dimethoxymethane) |
| dinitrato de etilenglicol | ethylene glycol dinitrate |
| dinitro-o-cresol | dinitro-o-cresol |
| dinitrobenzeno (todos los isómeros) | dinitrobenzene (all isomers) |
| dinitrotolueno | dinitrotoluene |
| dióxido de azufre | sulfur dioxide |
| dióxido de carbono | carbon dioxide |
| dióxido de cloro | chlorine dioxide |
| dióxido de nitrógeno | nitrogen dioxide |
| dióxido del titanio | titanium dioxide |
| diquat | diquat |
| disolvente de hule (nafta) | naphtha (coal tar) |
| disolvente de Stoddard | Stoddard solvent |
| disulfuro de alil propilo | allyl propyl disulfide |
| disulfuro de carbono | carbon disulfide |
| emanaciones de cloruro amónico | ammonium chloride fumes |
| endosulfan | endosulfan |
| endrina | endrin |
| epiclorhidrina | epichlorhydrin |
| esmeril | emery |
| estaño, compuestos inorgánicos excepto óxidos (como Sn) | tin, inorganic compounds except oxides (as Sn) |
| estaño (compuestos orgánicos) | tin (organic compounds) |
| estearato de zinc | zinc sterate |
| estibina | stibine |
| estireno | styrene |
| estricnina | strychnine |
| etano | ethane |
| etanolamina | ethanolamine |
| éter alil glicidílico | allyl glycidyl ether (AGE) |
| éter de metilclorometil | chloromethyl methyl ether |
| éter diglicidilico | diglycidyl ether (DGE) |
| éter etílico | ethyl ether |
| éter fenílico, mezcla de difenilo (vapor) | phenyl ether – diphenyl mixture (vapor) |
| éter fenílico (vapor) | phenyl ether (vapor) |
| éter glicidil n-butílico | n-butyl glycidyl ether (BGE) |
| éter isopropílico | isopropyl ether |
| éter sim-dicloroetílico | dichloroethyl ether |
| éter sim-diclorometílico | bis-chloromethyl ether |
| etil amil cetona | ethyl amyl ketone |
| etil butil ketona | ethyl butyl ketone |
| etilamina | ethylamine |
| etilbenceno | ethyl benzene |
| etilendiamina | ethylenediamine |
| etilenglicol, particula | ethylene glycol, particulate |
| etilenimida | ethylenenimine |
| etileno | ethylene |
| etilmercaptano | ethyl mercaptan |
| N-etilmorfolina | N-ethylmorpholine |
| 2-etoxietanol | 2-ethoxyethanol |
| fenil glicidil éter | phenyl glycidyl ether (PGE) |
| p-fenilendiamina | p-phenylene diamine |
| fenilfosfina | phenylphosphine |
| fenilhidrazina | phenylhydrazine |
| fenol | phenol |
| fenotiazina | phenothiazine |
| ferbam | ferbam |
| ferrovanadio, polvo | ferrovanadium dust |
| fibra de lana mineral | mineral wool fiber |
| fluoacetato sódico | sodium fluoroacetate |
| flúor | fluorine |
| fluoruro de hidrógeno (como F) | hydrogen fluoride (as F) |
| fluoruro de perclorilo | perchloryl fluoride |
| fluoruro de sulfurilo | sulfuryl fluoride |
| fluoruros (como el F) | fluorides (as F) |
| fluotriclorometano | fluorotrichloromethane |
| formaldehído | formaldehyde |
| formiato de etilo | ethyl formate |
| formiato de metilo | methyl formate |
| fosfamina | phosphine |
| fosfato de dibutilo | dibutyl phosphate |
| fosfato de tributilo | tributyl phosphate |
|
|
| fósforo (amarillo) | phosphorus (yellow) |
| fosgeno | phosgene (carbonyl chloride) |
| ftalato de dibutilo | dibutyl phthalate |
| ftalato de dimetilo | dimethylphthalate |
| furfural | furfural |
| gasolina | gasoline |
| glicerina (llovizna) | glycerin (mist) |
| glicidol | glycidol |
| glicol etilénico, vapor | ethylene glycol, vapor |
| grafito natural, respirable | graphite natural, respirable |
| grafito (sintético) | graphite (synthetic) |
| hafnio | hafnium |
| heptacloro | heptachlor |
| n-heptano | heptane (n-heptane) |
| hexaclorciclopentadieno | hexachlorocyclopentadiene |
| hexacloretano | hexachloroethane |
| hexaclornaftaleno | hexachloronaphthalene |
| hexafluoracetona | hexafluoracetone |
| hexafluoruro de azufre | sulfur hexafluoride |
| n-hexano | hexane (n-hexane) |
| 2-hexanona | 2-hexanone |
| hexona | hexone (methyl isobutyl ketone) |
| hidrazina | hydrazine |
| hidrógeno | hydrogen |
| hidroquinona | hydroquinone |
| hidróxido de calcio | calcium hydroxide |
| hidróxido sódico | sodium hydroxide |
| hidruro de litio | lithium hydride |
| hierro pentacarbonilo | iron pentacarbonyl |
| hierro, sales de, solubles (como Fe) | iron salts, soluble, (as Fe) |
| indeno | indene |
| indio y compuestos (como In) | indium and compounds (as In) |
| isocianato de metilo | methyl isocyanate |
| isoforona | isophorone |
| isopropil glicidil éter | isopropyl glycidyl ether (IGE) |
| isopropylamina | isopropylamine |
| itrio | yttrium |
| L.P.G. (gas de petróleo licuado) | L.P.G. (liquified petroleum gas) |
| lactato de butilo | butyl lactate |
| lindano | lindane |
| madera, polvo (no-alergeno) | wood dust (non-allergenic) |
| magnesita | magnesite |
| malatión | malathion |
| manganeso (como Mn), compuestos | manganese compounds (as Mn) |
| manganeso (como Mn), emanaciones | manganese fume (as Mn) |
| mármol | marble |
| mercurio (arilo, inorgánico, orgánico, y vapor) (como Hg) | mercury (aryl, inorganic, organo, and vapor) (as Hg) |
| metacrilato de metilo | methyl methacrylate |
| metano | methane |
| meticiclohexanol | methylcyclohexanol |
| metil azinfos | azinphosmethyl |
| metil demetona | methyl demeton |
| metil étil cetona (MEK) | methyl ethyl ketone (MEK) |
| metil isoamil cetona | methyl isoamyl ketone |
| metilacetileno-propadieno, mezcla | methyl acetylene-propadiene mixture (MAPP) |
| metilamina | methylamine |
| metilciclohexano | methylcyclohexane |
| metilcloroformo | methyl chloroform (1,1,1-trichloroethane) |
| metilclorometil éter | methyl chloromethyl ether |
| metilen bis (4 ciclohexilisocianato) | dicyclohexylmethane 4,4′-diisocyanate |
| metilenbis (fenilisocianato) | methylene bisphenyl isocyanate (MDI) |
| metilendianilina | methylenedianiline (MDA) |
| metilisobutilicarbinol | methyl isobutyl carbinol |
| metilmercaptano | methyl mercaptan |
| metilparationa | methyl parathion |
| metoxicloro | methoxychlor |
| mevinfós | phosdrin (mevinphos) |
| molibdeno (compuestos solubles e insolubles) | molybdenum (soluble and insoluble compounds) |
| monocloruro de azufre | sulfur monochloride |
| monóxido de carbono | carbon monoxide |
| morfolina | morpholine |
| naftaleno | naphthalene |
| α-naftilamina | alpha naphthylamine |
| β-naftilamina | beta-naphthylamine |
| negro de carbón | carbon black |
| nicotina | nicotine |
| níquel carbonilo (como Ni) | nickel carbonyl (as Ni) |
| níquel, compuestos solubles, (como Ni) | nickel, soluble compounds, (as Ni) |
| níquel, metal y compuestos insolubles, (como Ni) | nickel, metal and insoluble compounds, (as Ni) |
| nitrato de n-propilo | n-propyl nitrate |
| p-nitroanilina | p-nitroaniline |
| nitrobenceno | nitrobenzene |
| nitroetano | nitroethane |
| nitroglicerina | nitroglycerin |
| nitrometano | nitromethane |
| 1-nitropropano | 1-nitropropane |
| 2-nitropropano | 2-nitropropane |
| N-nitrosodimetilamina | N-nitrosodimethylamine |
| nitrotolueno (todos los isómeros) | nitrotoluene (all isomers) |
| octachloro naftaleno | octachloronaphthalene |
| octano | octane |
| óxido de boro | boron oxide |
| óxido de calcio | calcium oxide |
| óxido de difenilo clorado | chlorinated diphenyl oxide |
| óxido de estaño | tin oxide |
| óxido de etileno | ethylene oxide |
| óxido de hierro, emanaciones | iron oxide fume |
| óxido de mesitilo | mesityl oxide |
| óxido nitroso | nitrous oxide |
| óxido de propileno | propylene oxide |
| óxido de zinc | zinc oxide |
| óxido de zinc, emanaciones | zinc oxide fume |
| óxido magnésico, emanaciones | magnesium oxide fume |
| óxido nítrico | nitric oxide |
| ozono | ozone |
| paraquat, polvo respirable | paraquat respirable dust |
| parationa | parathion |
| partículas policíclicas de hidrocarburos aromáticos | coal tar pitch volatiles |
| pelitre | pyrethrum |
| pentaborano | pentaborane |
| pentaclorofenol | pentachlorophenol |
| pentacloronaftaleno | pentachloronaphthalene |
| pentacloruro de fósforo | phosphorus pentachloride |
| pentaeritrita | pentaerythritol |
| pentafluoruro de azufre | sulfur pentafluoride |
| pentafluoruro de bromo | bromine pentafluoride |
| pentano | pentane |
| 2-pentanona | 2-pentanone |
| pentasulfuro de fósforo | phosphorus pentasulfide |
| percloroetileno | perchloroethylene |
| perclorometilmercaptano | perchloromethyl mercaptan |
| perlita | perlite |
| peróxido de benzoyl | benzoyl peroxide |
| peróxido de hidrógeno | hydrogen peroxide |
| picloram | picloram |
| pindona | pindone (2-pivalyl-1,3-indandione) |
| piridina | pyridine |
| pirofosfato de tetraetilo | TEPP (tetraethyl pyrophosphate) |
| plata, metal y compuestos solubles (como Ag) | silver, metal and soluble compounds (as Ag) |
| platino, sales solubles (como Pt) | platinum, soluble salts as (Pt) |
| plomo, inorgánico (como Pb) | lead, inorganic (as Pb) |
| polvo de carbón | coal dust |
| polvo de grano (avena, trigo, cebada) | grain dust (oat, wheat, barley) |
| propano | propane |
| propilenglicol monometil éter | propylene glycol monomethyl ether |
| propilenimina | propylene imine |
| β-propiolactona | beta-propiolactone |
| quinona | quinone |
| rodio, emanaciones metal y polvos, como sales solubles de Rh | rhodium, metal fume and dusts, as Rh soluble salts |
| rotenona | rotenone |
| selenio, compuestos (como Se) | selenium compounds (as Se) |
| seleniuro de hidrógeno (como Se) | hydrogen selenide (as Se) |
| silicato de etilo | ethyl silicate |
| sílice | silica |
| silicio | silicon |
| subtilicinas (enzimas proteolíticas) (como enzima cristalina 100% puras) | subtilisins (proteolytic enzymes) (as 100% pure crystalline enzyme) |
| sulfato amónico | ammonium sulfamate |
| sulfato de bario | barium sulfate |
| sulfato de calcio | calcium sulfate |
| sulfato de dimetilo | dimethyl sulfate |
| sulfotepp | TEDP (Sulfotepp) |
| sulfuro de hidrógeno | hydrogen sulfide |
| talio, compuestos solubles (como T) | thallium, soluble compounds (as T) |
| telurio de bismuto (contaminado con Se) | bismuth telluride (Se-doped) |
| telurio de bismuto (sin contaminación) | bismuth telluride (undoped) |
| telurio y compuestos (como Te) | tellurium and compounds (as Te) |
| temefós | temephos |
| tetrabromuro de acetileno | acetylene tetrabromide |
| 1, 1, 1, 2-tetracloro-2,2-difluoroetano | 1, 1, 1, 2-tetrachloro-2 2-difluoroethane |
| 1, 1, 2, 2-tetracloro-1,2-difluoroetano | 1, 1, 2, 2-tetrachloro-1 2-difluoroethane |
| 1, 1, 2, 2-tetracloroetano | 1, 1, 2, 2-tetrachloroethane |
| tetracloroetileno | tetrachloroethylene |
| tetracloronaftaleno | tetrachloronaphthalene |
| tetracloruro de carbono | carbon tetrachloride |
| tetraetilo de plomo (como Pb) | tetraethyl lead (as Pb) |
| tetrafluoruro de sulfuro | sulfur tetrafluoride |
| tetrahidrofurano | tetrahydrofuran |
| tetrahidruro de germanio | germanium tetrahydride |
| tetrametil succino nitrilo | tetramethyl succinonitrile |
| tetrametilo de plomo (como Pb) | tetramethyl lead (as Pb) |
| tetranitrometano | tetranitromethane |
| tetróxido de osmio (como Os) | osmium tetroxide (as Os) |
| thiram | thiram |
| 4,4′-tiobis (6-ter,butil-m-cresol) | 4,4′-thiobis (6-tert,butyl-m-cresol) |
| tolueno | toluene (toluol) |
| o-toluidina | o-toluidine |
| toxafeno | toxaphene |
| trementina | turpentine |
| tribromuro de boro | boron tribromide |
| tricloretileno | trichloroethylene |
| 1, 1, 2-tricloro 1, 2, 2-trifluoroetano | 1, 1, 2-trichloro 1, 2, 2-trifluoroethane |
| 1, 1, 2-tricloroetano | 1, 1, 2-trichloroethane |
| triclorometano | trichloromethane |
| tricloronaftaleno | trichloronaphthalene |
| 1, 2, 3-tricloropropano | 1, 2, 3-trichloropropane |
| tricloruro de fósforo | phosphorus trichloride |
| trietilamina | triethylamine |
| trifenilfosfato | triphenyl phosphate |
| trifluorobromometano | trifluorobromomethane |
| trifluoruro de boro | boron trifluoride |
| trifluoruro de cloro | chlorine trifluoride |
| trifluoruro de nitrógeno | nitrogen trifluoride |
| trimetilbenceno | trimethyl benzene |
| 2, 4, 6-trinitrofenol | 2, 4, 6-trinitrophenol |
| tungsteno y compuestos, (como W) solubles e insolubles | tungsten & compounds, (as W) soluble and insoluble |
| uranio, (como U) compuestos solubles e insolubles | uranium, (as U) soluble and insoluble compounds |
| vanadio polvos respirable (como V205), emanaciones (como V205) | vanadium respirable dust (as V205) fume (as V205) |
| vidrio, fibroso o polvo | glass, fibrous or dust |
| viniltolueno | vinyl toluene |
| warfarin | warfarin |
| xileno (o-,m-,p-isómeros) | xylene (o-, m-, p-isomers) |
| xilidina | xylidine |
| yeso | gypsum |
| yeso de París | plaster of Paris |
| yodo | iodine |
| yoduro de metilo | methyl iodide |
| zirconio y compuestos (como Zr) | zirconium compounds (as Zr) |
