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H335 — May cause respiratory irritation

Hazard class: Specific target organ toxicity, single exposure · Category 3 (respiratory tract irritation)

1522 substances with this hazard classification

What does H335 mean?

Inhalation may cause irritation of the respiratory tract.

Safety Guidance

Avoid breathing dust, fume, gas, mist, vapours, or spray. Use only outdoors or in a well-ventilated area.

Substances with H335

SubstanceCAS NumberSignal Word
1,1-dimethyl-N,N'-bis(1-methylpropyl)silanediamine 93777-98-1 Danger
1,1-dimethylprop-2-ynyl acetate 1604-29-1 Warning
1,1-dimethylurea 598-94-7 Warning
1,1-diphenylacetone 781-35-1 Warning
1,1-diphenylpropane 1530-03-6 Warning
1,1-dipropoxytrimethylamine 6006-65-1 Warning
(1,1-dipropylbutyl)ammonium chloride 56065-37-3 Danger
1,1'-(ethylene)bis[5-oxopyrrolidine-3-carboxylic] acid 2761-13-9 Warning
1,1'-ethylenedipiperidine 1932-04-3 Warning
1,1'-ferrocenedicarboxylic acid 1293-87-4 Warning
1-(1H-indol-3-yl)acetone 1201-26-9 Warning
1-(1H-indol-3-yl)propan-1-one 22582-68-9 Danger
1,1-hydrazoformamide 110-21-4 Warning
1,1'-methylenebis(3-methylpiperidine) 68922-17-8 Warning
1,1'-(methylenedi-p-phenylene)bismaleimide 13676-54-5 Danger
1-[(1-methylethyl)thio]propane 5008-73-1 Danger
1-[1-oxo-3-(2-pyridyldithio)propoxy]pyrrolidine-2,5-dione 68181-17-9 Warning
1-(1-oxobutyl)-L-proline 23500-13-2 Warning
1-(1-oxopropyl)-1H-imidazole 4122-52-5 Warning
1-(1-oxopropyl)-1H-indole 73747-53-2 Danger
1,1'-oxybis[2,2-diethoxyethane] 56999-16-7 Warning
1,1'-oxybis(4-fluorobenzene) 330-93-8 Warning
1,1'-oxybis[m-(m-phenoxyphenoxy)benzene] 3705-62-2 Warning
1-(1-phenylethyl)piperazine 69628-75-7 Warning
1,1'-sulphonylbis-1H-imidazole 7189-69-7 Warning
1,1'-thiocarbonylbis(imidazole) 6160-65-2 Warning
(1:1)[Triphenylsulfonium, trifluoromethanesulfonate (1:1) 66003-78-9 Warning
1,1'-vinylidenebiscyclopropane 822-93-5 Danger
1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl acrylate 13057-08-4 Warning
1-(2,2,3,3,4,4,4-heptafluoro-1-oxobutyl)-1H-imidazole 32477-35-3 Warning
1-(2,2-diethoxyethyl)-4-fluorobenzene 1743-98-2 Warning
1-(2,2-diethoxyethyl)piperidine 3616-58-8 Warning
1,2,3,3-tetramethyl-3H-indolium iodide 5418-63-3 Warning
(±)-1,2,3,4,5,6,7,8-octahydro-1-[(4-methoxyphenyl)methyl]iso... 57849-23-7 Warning
1,2,3,4,5,6,7,8-octahydro-1-[(4-methoxyphenyl)methyl]isoquin... 51072-36-7 Warning
1,2,3,4,5,6,7,8-octahydroacridine 1658-08-8 Warning
1,2,3,4,5,6,7,8-octahydroanthracene 1079-71-6 Danger
1,2,3,4,5,6-cyclohexanehexacarboxylic acid 2216-84-4 Warning
1,2,3,4,5-pentamethyl-1H-pyrrole 767-76-0 Warning
1,2,3,4,6,7,8,9-octahydrophenazine 4006-50-2 Warning
1,2,3,4-tetrabromobutane 1529-68-6 Danger
1,2,3,4-tetrachloro-5-methoxybenzene 938-86-3 Warning
1,2,3,4-tetrafluoro-5,6-diiodobenzene 2708-97-6 Warning
1,2,3,4-tetrafluorobenzene 551-62-2 Danger
1,2,3,4-tetrahydro-1,1,4,4,6-pentamethylnaphthalene 6683-48-3 Warning
1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene 6683-46-1 Warning
1,2,3,4-tetrahydro-1,5-dimethylnaphthalene 21564-91-0 Warning
1,2,3,4-tetrahydro-1-naphthylamine 2217-40-5 Danger
1,2,3,4-tetrahydro-2,2,4,7-tetramethylquinoline 59388-58-8 Warning
1,2,3,4-tetrahydro-2-methyl-4-phenylisoquinolin-8-amine male... 24524-90-1 Warning