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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
(2E,4E)-(±)-11-methoxy-3,7,11-trimethyldodeca-2,4-dienoic ac... 53092-52-7 Warning
(2E,6Z)-dodeca-2,6-dienal 21662-13-5 Warning
(2-ethoxy-1-methyl-2-oxoethyl)triphenylphosphonium bromide 30018-16-7 Warning
(2-ethoxy-2-oxoethyl)dimethylsulphonium bromide 5187-82-6 Warning
(2-ethoxy-2-oxoethyl)triphenylphosphonium chloride 17577-28-5 Warning
(±)-2-fluoro-α-methyl[1,1'-biphenyl]-4-acetic acid 51543-38-5 Danger
(2H10)-2-methylpropan-2-ol 53001-22-2 Danger
(2H10)benzophenone 22583-75-1 Warning
(2H3)methyl (3,3,α,α,α-2H5)methacrylate 35233-69-3 Danger
(2H3)methylammonium chloride 7436-22-8 Danger
(2H5)benzoic acid 1079-02-3 Danger
(2H5)glycine 4896-77-9 Warning
(±)-2-hydroxy-2-methylsuccinic acid 597-44-4 Warning
(±)-2-hydroxy-3-methylbutyric acid 600-37-3 Warning
(2-hydroxy-5-nitrobenzyl)dimethylsulphonium bromide 28611-73-6 Warning
(2-hydroxybenzyl)triphenylphosphonium bromide 70340-04-4 Warning
(±)-2-hydroxybutyric acid 600-15-7 Danger
(2-hydroxyethyl)ammonium mercaptoacetate 126-97-6 Danger
(2-hydroxyethyl)dimethylammonium hydrogen tartrate 5988-51-2 Warning
(2-hydroxyethyl)triphenylphosphonium chloride 23250-03-5 Warning
(2-methoxy-2-oxoethyl)triphenylphosphonium bromide 1779-58-4 Warning
(2-methoxy-5-nitrobenzyl)dimethylsulphonium bromide 64415-08-3 Warning
(2-methoxymethylethoxy)propanol 34590-94-8 Warning
(2-methoxyphenoxy)acetic acid 1878-85-9 Warning
(2-methoxyphenyl)acetonitrile 7035-03-2 Danger
(2-methoxyphenyl)hydrazine monohydrochloride 6971-45-5 Warning
(2-methylallyloxy)benzene 5820-22-4 Danger
(2-methylallyl)triphenylphosphonium chloride 4303-59-7 Warning
(2-methylbenzyl)triphenylphosphonium bromide 1530-36-5 Warning
(±)-2-methylbutan-1-ol 34713-94-5 Warning
(2-methylnaphthalen-1-yl) acetate 5697-02-9 Warning
(2-naphthylthio)acetic acid 93-21-0 Warning
(2-nitroethyl)benzene 6125-24-2 Warning
(2-nitrophenoxy)acetic acid 1878-87-1 Warning
(±)-2-(p-aminophenyl)-2-phenylacetonitrile monohydrochloride 71411-77-3 Danger
(2-phenoxyethyl)triphenylphosphonium bromide 22409-83-2 Warning
(±)-2-phenyllactic acid 4607-38-9 Warning
(2R,6aS,12aS)-1,2,6,6a,12,12a-hexahydro-2-isopropenyl-8,9-di... 83-79-4 Danger
(2R-trans)-2-methyl-5-(1-methylvinyl)cyclohexan-1-one 5524-05-0 Warning
(2S)-2-Aminobutyramide Hydrochloride 7682-20-4 Warning
(2S-cis)-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzo... 42399-49-5 Warning
(2S-cis)-5-benzyl-3,6-dioxopiperazine-2-acetic acid 5262-10-2 Warning
(2S-cis)-tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyra... 3033-23-6 Warning
(2S-trans)-18-carboxy-20-(carboxymethyl)-13-ethyl-2,3-dihydr... 19660-77-6 Warning
(2S-trans)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyr... 18829-70-4 Warning
(2S-trans)-3-amino-2-methyl-4-oxoazetidine-1-sulphonic acid 80082-65-1 Warning
(-)-2-thienylglycine 4052-59-9 Warning
(3,3-diethoxy-1-propenyl)benzene 7148-78-9 Warning
(3,4-diaminophenyl) (2-thienyl) ketone 83846-78-0 Warning
(3,4-dichlorophenoxy)acetic acid 588-22-7 Warning