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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
1,2,4,5-tetrachloro-3-methoxybenzene 6936-40-9 Warning
1,2,4,5-tetrachlorobenzene 95-94-3 Danger
1,2,4,5-tetrafluoro-3,6-diiodobenzene 392-57-4 Warning
1,2,4,5-tetrafluorobenzene 327-54-8 Danger
1,2,4,5-tetraisopropylbenzene 635-11-0 Warning
1-[(2,4,6-trimethylphenyl)sulphonyl]-1H-imidazole 50257-39-1 Warning
1-[[2,4,6-tris(isopropyl)phenyl]sulphonyl]-1H-1,2,4-triazole 54230-60-3 Warning
1,2,4-benzotriazin-3-amine 20028-80-2 Warning
1,2,4-benzotriazin-3-amine 1-oxide 5424-06-6 Danger
1-(2,4-difluorophenyl)ethan-1-one 364-83-0 Warning
1-(2,4-dimethoxyphenyl)ethan-1-one 829-20-9 Warning
1-(2,4-dinitrophenyl)pyridinium chloride 4185-69-7 Warning
1,2,4-triazin-3-ylamine 1120-99-6 Warning
1,2,4-triazine-3,5-diol 461-89-2 Warning
1,2,4-triazole-3,5-diol 3232-84-6 Warning
1,2,4-triazole-3-sulphonic acid 13789-27-0 Danger
1,2,4-triazolo[4,3-a][1,3,5]triazine-3,5,7-triamine 7144-22-1 Warning
1,2,4-triazolo[4,3-a]pyridin-3(2H)-one 6969-71-7 Warning
1,2,4-tribromobenzene 615-54-3 Warning
1,2,4-trichlorobenzene 120-82-1 Warning
1,2,4-trifluoro-3-nitrobenzene 42096-74-2 Warning
1,2,4-trifluoro-5-nitrobenzene 2105-61-5 Danger
1,2,4-trifluorobenzene 367-23-7 Danger
1,2,4-trihydroxyanthraquinone 81-54-9 Warning
1,2,4-trimethoxybenzene 135-77-3 Warning
1,2,4-trimethyl-5-nitrobenzene 610-91-3 Warning
1,2,4-trimethylbenzene 95-63-6 Warning
1,2,4-trimethylcyclopentane 2815-58-9 Danger
1,2,4-trimethylpiperazine 120-85-4 Danger
1,2,5,6,9,10-hexabromocyclododecane 3194-55-6 Warning
1-[2,5-bis(2,2,2-trifluoroethoxy)phenyl]-2,2,2-trichloroetha... 76784-42-4 Warning
1-(2,5-dichloro-3-thienyl)ethan-1-one 36157-40-1 Warning
1-(2,5-difluorophenyl)ethan-1-one 1979-36-8 Warning
1-[[2,5-dimethyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphth... 4477-79-6 Warning
1-(2,5-dimethylphenyl)ethan-1-one 2142-73-6 Warning
1,2,5-trifluoro-3-nitrobenzene 66684-57-9 Warning
1,2,5-trimethylpyrrole 930-87-0 Warning
1-(2,6-dichlorophenyl)-1,3-dihydro-2H-indol-2-one 15362-40-0 Warning
1-(2,6-dichlorophenyl)ethan-1-one 2040-05-3 Warning
1-(2,6-difluorophenyl)ethan-1-one 13670-99-0 Warning
1-(2,6-xylyl)piperazine 1012-91-5 Warning
1-[(2-aminoethyl)amino]propan-2-ol 123-84-2 Danger
1-(2-aminoethyl)pyrrolidin-2-one 24935-08-8 Warning
1-(2-aminophenyl)ethan-1-one hydrochloride 25384-14-9 Warning
1,2-benzisothiazol-3(2H)-one, sodium salt 58249-25-5 Warning
1,2-benzisothiazol-3-amine 23031-78-9 Warning
1-(2-benzoylethyl)piperidinium chloride 886-06-6 Danger
1,2-Bis(2-aminophenoxy)ethane 52411-34-4 Warning
1,2-bis(2-chloroethoxy)ethane 112-26-5 Danger
1,2-bis[4-(1,1-dimethylethyl)phenyl]-2-hydroxyethan-1-one 77387-64-5 Warning