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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
(3,4-dichlorophenyl)acetonitrile 3218-49-3 Danger
(3,4-dichlorophenyl)hydrazine monohydrochloride 19763-90-7 Warning
(3,4-diethoxyphenyl)acetonitrile 27472-21-5 Warning
(3,4-difluorophenyl)acetonitrile 658-99-1 Warning
(3,4-dihydro-2H-1-benzothiopyran-4-yl)ammonium chloride 15857-70-2 Warning
(±)-3,4-dihydroxyphenylglycolic acid 14883-87-5 Warning
(3,4-dimethoxyphenyl)hydrazine monohydrochloride 40119-17-3 Warning
(3,5-dichlorophenyl)hydrazine monohydrochloride 63352-99-8 Warning
(3,5-dimethylphenyl)acetonitrile 39101-54-7 Warning
(±)-3-amino-2-methylpropionic acid 10569-72-9 Warning
(3-amino-3-carboxypropyl)dimethylsulphonium bromide 2766-51-0 Warning
(±)-(3-amino-3-carboxypropyl)dimethylsulphonium iodide 34236-06-1 Warning
(3-aminophenyl)urea 25711-72-2 Warning
(3aα,4β,7β,7aα)-octahydro-4,7-methano-1H-indene 2825-82-3 Danger
(3-bromophenyl)acetic acid 1878-67-7 Danger
(3-bromophenyl)acetonitrile 31938-07-5 Warning
(3-bromopropyl)benzene 637-59-2 Warning
(3-bromopropyl)trimethoxysilane 51826-90-5 Warning
(3-chloro-4-methylphenyl)hydrazine monohydrochloride 54812-56-5 Warning
(3-chloropropoxy)benzene 3384-04-1 Danger
(3-chloropropoxy)fluorobenzene 71662-36-7 Warning
(3-chloropropyl)benzene 104-52-9 Warning
(3-chloropropyl)dimethoxymethylsilane 18171-19-2 Warning
(3-chloropropyl)ethoxydimethylsilane 13508-63-9 Danger
(3-chloropropyl)triethoxysilane 5089-70-3 Warning
(3-chloropropyl)trimethylsilane 2344-83-4 Warning
(3-cyano-2-hydroxypropyl)trimethylammonium chloride 18933-33-0 Warning
(±)-[3-cyano-3-(3,4-dimethoxyphenyl)hex-6-yl](5,6-dimethoxyp... 23313-68-0 Danger
(3-fluorophenyl)acetonitrile 501-00-8 Warning
(±)-3-hydroxybutyric acid 625-71-8 Warning
(3-hydroxyphenyl)urea 701-82-6 Warning
(3-mercaptopropyl)ammonium chloride 7211-54-3 Warning
(3-methacrylamidopropyl)trimethylammonium chloride 51410-72-1 Warning
(3-methoxyphenyl)acetonitrile 19924-43-7 Danger
(+)-3-methyladipic acid 623-82-5 Warning
(3-methylbut-2-enyl)triphenylphosphonium bromide 1530-34-3 Warning
(3-methylphenoxy)acetic acid 1643-15-8 Warning
(3-nitrophenoxy)acetic acid 1878-88-2 Warning
(3-phenyloxiranyl)methanol 21915-53-7 Danger
(3-pyridylmethyl)urea 36226-32-1 Warning
(3R-trans)-dihydro-2,5-dioxofuran-3,4-diyl diacetate 6283-74-5 Danger
(3S,3aS,5aS,9bS)-2,3,3a,4,5,5a,8,9b-octahydro-3,5a,9-trimeth... 481-06-1 Danger
(3β,5α)-stigmastan-3-ol 83-45-4 Warning
(±)-4-(1,2-dihydroxyethyl)pyrocatechol 28822-73-3 Warning
(±)-4-[1-hydroxy-2-(methylamino)ethyl]pyrocatechol hydrochlo... 329-63-5 Danger
(+)-4'-(2-methylbutoxy)[1,1'-biphenyl]-4-carbonitrile 58600-86-5 Warning
(4-amino-2-chloro-5-methylphenyl)(4-chlorophenyl)acetonitril... 61437-85-2 Warning
(±)-4-amino-3-hydroxybutyric acid 924-49-2 Danger
(±)-4-aminohex-5-enoic acid 68506-86-5 Warning
(4-amino-N-pyrimidin-2-ylbenzenesulphonamidato-NN,O1)silver 22199-08-2 Warning