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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-aminopyridinium iodide 6295-87-0 Warning
1-anthrylamine 610-49-1 Warning
1-benzhydrylpiperazine 841-77-0 Warning
1-(benzimidazol-2-yl)guanidine 5418-95-1 Warning
1-benzo-2-oxa-1,3-diazole oxide 480-96-6 Warning
1-benzoxepin-3,5(2H,4H)-dione 62557-53-3 Warning
1-benzoylimidazole 10364-94-0 Warning
1-benzoylpiperidine-4-carboxylic acid 5274-99-7 Warning
1-benzyl-1,2-dihydro-3H-indazol-3-one 2215-63-6 Warning
1-benzyl-1,2-dihydro-3H-indazol-3-one, sodium salt 13185-09-6 Warning
1-benzyl-1H-imidazole 4238-71-5 Warning
1-benzyl-1H-pyrazol-5-amine 3528-51-6 Warning
1-benzyl-2,2,6,6-tetramethylpiperidin-4-ol 52185-71-4 Warning
1-benzyl-2-methyl-1H-imidazole 13750-62-4 Danger
1-benzyl-3,5,7-triaza-1-azoniatricyclo[3.3.1.13,7]decane chl... 5400-93-1 Warning
1-benzyl-3-carbamoylpyridinium chloride 5096-13-9 Warning
1-benzyl-3-piperidone hydrochloride hydrate 50606-58-1 Warning
1-benzyl-3-pyrrolidone 5291-77-0 Warning
1-(benzylamino)propan-2-ol 27159-32-6 Danger
1-benzyl hydrogen (2S-trans)-4-hydroxypyrrolidine-1,2-dicarb... 13504-85-3 Warning
1-benzyl hydrogen 5-oxopyrrolidine-1,2-dicarboxylate 80953-62-4 Warning
1-benzyl hydrogen (R)-pyrrolidine-1,2-dicarboxylate 6404-31-5 Warning
1-(benzyl)pyrrolidin-3-ol 775-15-5 Danger
1-(benzyl)pyrrolidin-3-one 775-16-6 Warning
1-(benzyl)quinolinium chloride 15619-48-4 Danger
1-(benzylthio)acetone 10230-69-0 Danger
1-[bis(4-fluorophenyl)methyl]piperazine 27469-60-9 Danger
(±)-1-bromo-2-methylbutane 5973-11-5 Warning
1-(bromomethyl)-2-chlorobenzene 611-17-6 Danger
1-(bromomethyl)-3-phenoxybenzene 51632-16-7 Danger
1-(bromomethyl)-4-phenoxybenzene 36881-42-2 Danger
(1-chloro-1-methylethyl)benzene 934-53-2 Danger
1-(chloroacetyl)-2-methylpiperidine 4593-18-4 Warning
1-(chloroacetyl)pyrrolidine 20266-00-6 Danger
(1-chloroethyl)benzene 672-65-1 Danger
1-(chloroformyl)benzyl acetate 1638-63-7 Danger
1-(chloromethoxy)-2-methylpropane 34180-11-5 Danger
1-(chloromethyl)-2-iodobenzene 59473-45-9 Danger
1-(chloromethyl)-2-(trifluoromethyl)benzene 21742-00-7 Danger
1-(chloromethyl)-4-(phenylmethyl)benzene 14297-39-3 Danger
1-(chlorophenylmethyl)-2-methylbenzene 41870-52-4 Warning
1-(cyanoacetyl)piperidine 15029-30-8 Warning
1-(cyanoacetyl)pyrrolidine 14227-95-3 Warning
1-(cyanomethyl)pyridinium chloride 17281-59-3 Danger
(1-cyclopenten-1-yloxy)trimethylsilane 19980-43-9 Warning
1-(dichloromethyl)-4-fluorobenzene 456-19-9 Danger
1-(dimethoxymethyl)hexahydro-1H-azepine 32895-16-2 Warning
1-(dimethylphenyl)ethan-1-one 1335-42-8 Warning
(1-ethoxyethylidene)malononitrile 5417-82-3 Warning
1-(ethylthio)acetone 20996-62-7 Warning