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H317 — May cause an allergic skin reaction

Hazard class: Skin sensitization · Category 1, 1A, 1B

541 substances with this hazard classification

What does H317 mean?

The substance may cause an allergic skin reaction (contact dermatitis) upon repeated exposure.

Safety Guidance

Avoid breathing dust, fume, gas, mist, vapours, or spray. Wear protective gloves. If skin irritation or rash occurs, get medical attention.

Substances with H317

SubstanceCAS NumberSignal Word
1-(2-propenyl)pyridinium chloride 25965-81-5 Warning
1-((2-quinolinyl-carbonyl)oxy)-2,5-pyrrolidinedione 136465-99-1 Danger
1,3,2-Dioxaphosphorinane, 5-butyl-5-ethyl-2-(2,4,6-tris(1,1-... 161717-32-4 Warning
1,3,2-dioxathiane 2-oxide 4176-55-0 Danger
1,3,3-trimethyl-N-(2-methylpropylidene)-5-[(2-methylpropylid... 54914-37-3 Danger
1,3,4,6,7,8a-hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanona... 23787-90-8 Warning
1-(3,4-dimethoxyphenyl)-2-nitropropene 122-47-4 Warning
1-(3,4-epoxy-4-methylpentyl)-1-methylallyl acetate 41610-76-8 Danger
1-(3-(4-fluorophenoxy)propyl)-3-methoxy-4-piperidinone 116256-11-2 Danger
1-(3,5-dihydroxyphenyl)-2-[[2-(4-hydroxyphenyl)-1-methylethy... 3371-33-3 Danger
1,3,5-triazine-2,4,6-triyltrinitrilohexamethanol 531-18-0 Warning
1,3,5-trichlorotrinitrobenzene 2631-68-7 Danger
1,3,5-trinitrobenzene 99-35-4 Danger
1,3,5-tris[(2S and 2R)-2,3-epoxypropyl]-1,3,5-triazine-2,4,6... 59653-74-6 Danger
1,3,5-tris(oxiranylmethyl)-1,3,5-triazine-2,4,6(1H,3H,5H)-tr... 2451-62-9 Danger
1,3,5-tri-tert-butylbenzene 1460-02-2 Warning
1,3-Benzenediamine, 4-methyl-, coupled with diazotized 4-met... 91696-44-5 Danger
1,3-Benzenedisulfonic acid, 4-[[5-(aminocarbonyl)-1-ethyl-1,... 68110-27-0 Warning
1,3-bis(1-isocyanato-1-methylethyl)benzene 2778-42-9 Danger
1,3-bis(2,3-epoxypropoxy)-2,2-bis[(2,3-epoxypropoxy)methyl]p... 3126-63-4 Warning
1,3-bis(2,3-epoxypropoxy)-2,2-dimethylpropane 17557-23-2 Warning
1,3-bis[3-(dimethylamino)propyl]urea 52338-87-1 Danger
1,3-bis(3-methyl-2,5-dioxo-1H-pyrrolinylmethyl)benzene 119462-56-5 Danger
1,3-bis[(4-aminophenyl)(2-hydroxyethyl)amino]propan-2-ol tet... 128729-28-2 Danger
1,3-bis(4-cyanophenyl)propane 5737-31-5 Warning
1,3-bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione 6440-58-0 Warning
1,3-bis(hydroxymethyl)imidazolidin-2-one 136-84-5 Warning
1,3-bis(hydroxymethyl)imidazolidine-2-thione 15534-95-9 Danger
1,3-bis(isocyanatomethyl)benzene 3634-83-1 Danger
1,3-bis(vinylsulfonylacetamido)propane 93629-90-4 Danger
1-(3-chlorophenyl)-4-(3-chloropropyl)piperazine 39577-43-0 Danger
1-(3-chloropropyl)-1,3-dihydro-2H-benzimidazol-2-one 62780-89-6 Warning
1,3-Cyclohexanedimethanamine 2579-20-6 Danger
1-(3-cyclopentyloxy-4-methoxyphenyl)-4-oxo-cyclohexanecarbon... 152630-47-2 Warning
1,3-diaminopropan-2-ol 616-29-5 Danger
1,3-dibromoacetone 816-39-7 Danger
1,3-dibutyl-2-thiourea 109-46-6 Danger
1,3-dichloro-2-nitrobenzene 601-88-7 Danger
1,3-dichloro-4-nitrobenzene 611-06-3 Danger
1,3-dichloro-5,5-dimethylhydantoin 118-52-5 Warning
1,3-dichloro-5-ethyl-5-methylimidazolidine-2,4-dione 89415-87-2 Danger
1,3-dichlorobenzene 541-73-1 Warning
1,3-dichloropropane 142-28-9 Danger
1,3-dichloropropene 542-75-6 Danger
1,3-diethyl-2-thiourea 105-55-5 Warning
1,3-diethyldihydro-2-thioxopyrimidine-4,6(1H,5H)-dione 5217-47-0 Danger
1,3-dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid 4443-26-9 Warning
1,3-dihydro-1,3-dioxo-2H-isoindole-2-propionyl chloride 17137-11-0 Danger
1,3-dihydro-1-oxoisobenzofuran-5-carboxylic acid 4792-29-4 Warning
1,3-dihydro-4(or 5)-methyl-2H-benzimidazole-2-thione, zinc s... 61617-00-3 Danger