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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
1,4-dibromobenzene 106-37-6 Danger
1,4-dibromobut-2-yne 2219-66-1 Warning
1,4-dibromobutane 110-52-1 Danger
1,4-dibromobutane-2,3-dione 6305-43-7 Warning
1,4-dibromonaphthalene 83-53-4 Warning
1,4-dibromopentane 626-87-9 Warning
1,4-dibromotetrafluorobenzene 344-03-6 Warning
1,4-dichloro-2,5-diethoxybenzene 67828-63-1 Warning
1,4-dichloro-2-iodobenzene 29682-41-5 Warning
1,4-dichloro-5,8-dihydroxyanthraquinone 2832-30-6 Warning
1,4-dichlorobenzene 106-46-7 Warning
1,4-dichlorobut-2-yne 821-10-3 Danger
1,4-dichlorobutan-2-one 16714-78-6 Danger
1,4-dichlorobutane 110-56-5 Warning
1,4-dichlorophthalazine 4752-10-7 Warning
1,4-diethoxy-2-nitrobenzene 119-23-3 Warning
1,4-diethylpiperazine 6483-50-7 Danger
1,4-difluoro-2-nitrobenzene 364-74-9 Warning
1-[4-(difluoromethoxy)phenyl]ethan-1-one 83882-67-1 Warning
1-[4-(difluoromethoxy)phenyl]propan-1-one 83022-58-6 Warning
1,4-dihydro-2H-isoquinolin-3-one 24331-94-0 Warning
1,4-dihydro-3,5-diiodo-4-oxo-1-pyridylacetic acid 101-29-1 Warning
1,4-dihydro-3H-2-benzopyran-3-one 4385-35-7 Warning
1,4-dihydro-4-oxo-7-(trifluoromethyl)quinoline-3-carboxylic... 51776-97-7 Warning
1,4-dihydro-4-oxopyridine-2,6-dicarboxylic acid 138-60-3 Warning
1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic ac... 13317-11-8 Warning
1,4-dihydroxy-2-naphthoic acid 31519-22-9 Warning
1,4-dihydroxy-5,8-bis[(2-hydroxyethyl)amino]anthraquinone 3179-90-6 Warning
1,4-dihydroxyanthraquinone 81-64-1 Warning
1,4-diiodobenzene 624-38-4 Warning
1,4-diiodobutane 628-21-7 Warning
1,4-diisocyanatocyclohexane 2556-36-7 Warning
1,4-diisopropylbenzene 100-18-5 Warning
1,4-dimercaptobutane-2,3-diol 7634-42-6 Warning
1,4-dimethoxynaphthalene 10075-62-4 Warning
1-[4-(dimethylamino)-3,5-dinitrophenyl]-1H-pyrrole-2,5-dione 3475-74-9 Warning
1-[4-(dimethylamino)phenyl]-2-hydroxy-2-phenylethan-1-one 6317-85-7 Danger
1,4-dimethylcyclohexane 589-90-2 Danger
1,4-dimethylpiperazine-2,5-dione 5076-82-4 Warning
1,4-dinitropiperazine 4164-37-8 Warning
1,4-dinitrosopiperazine 140-79-4 Danger
1,4-dioxa-8-azaspiro[4.5]decane 177-11-7 Warning
1,4-dioxane 123-91-1 Danger
1,4-dioxane-2,3-diol 4845-50-5 Warning
1,4-dioxane-2,6-dione 4480-83-5 Warning
1,4-dioxane-[2LH8] 17647-74-4 Danger
1,4-diphenylbuta-1,3-diene 886-65-7 Warning
1,4-dithiane 505-29-3 Warning
1,4-divinylbenzene 105-06-6 Danger
1-(4-ethoxyphenyl)ethan-1-one 1676-63-7 Warning