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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
1,3-dihydro-5-methoxy-2H-benzimidazole-2-thione 37052-78-1 Danger
1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 2898-08-0 Danger
1,3-dimethyl-2-thiourea 534-13-4 Danger
1,3-dimethyl-4-piperidone 4629-80-5 Danger
1,3-dinitrobenzene 99-65-0 Danger
1,3-diphenyl-2-thiourea 102-08-9 Danger
1,3-diphenylpropane-1,3-dione 120-46-7 Warning
1,3-isobenzofurandione, reaction products with methylquinoli... 8003-22-3 Warning
1,3-oxazolidin-2-one 497-25-6 Warning
1-(3-phenylpropylamino)guanidine hydrochloride 30598-34-6 Warning
1,3-propanediyl diacrylate 24493-53-6 Warning
1-(3-sulphonatopropyl)-2-vinylpyridinium 6613-64-5 Warning
1,4,10,13-pentaoxacyclopentadecane 33100-27-5 Warning
1-[4-(2-dimethylaminoethylsulfonyl)-phenyl-3-(4-chlorophenyl... 10357-99-0 Warning
1-[4-(2-methylpropyl)phenyl]ethan-1-one 38861-78-8 Warning
1,4,5,6,7,7-hexachloro-8,9,10-trinorborn-5-ene-2,3-dicarboxy... 115-27-5 Warning
1,4,5,8-tetraaminoanthraquinone 2475-45-8 Danger
1,4,7,10-tetrakis(p-toluensulfonyl)-1,4,7,10-tetraazacyclodo... 52667-88-6 Warning
1-(4-azidophenyl)-2-bromoethan-1-one 57018-46-9 Danger
1,4-bis(2,3-epoxypropoxy)butane 2425-79-8 Warning
1,4-bis[(2,3-epoxypropoxy)methyl]cyclohexane 14228-73-0 Warning
1,4-bis(isocyanatomethyl)cyclohexane 10347-54-3 Danger
1,4-bis(vinyloxy)butane 3891-33-6 Warning
1,4-bis[(vinyloxy)methyl]cyclohexane 17351-75-6 Warning
1,4-butanediylbis[oxy(2-hydroxy-3,1-propanediyl)] diacrylate 52408-42-1 Danger
1,4-butanediyl diacrylate 1070-70-8 Danger
1-(4-chlorophenoxy)-2-nitrobenzene 39145-47-6 Danger
1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan... 43121-43-3 Warning
1-(4-chlorophenyl)-3-hydroxyurea 30085-34-8 Warning
1,4-diaminoanthraquinone 128-95-0 Danger
1,4-dibromobut-2-ene 6974-12-5 Danger
1,4-dichloro-2-(1,1,2,3,3,3-hexafluoropropoxy)-5-nitrobenzen... 130841-23-5 Warning
1,4-dichloro-2-nitrobenzene 89-61-2 Danger
1,4-dichlorobenzene 106-46-7 Warning
1,4-dicyano-2,3,5,6-tetra-chloro-benzene 1897-41-2 Warning
1,4-diisocyanatocyclohexane 2556-36-7 Warning
1,4-dithiane-2,5-diol 40018-26-6 Danger
1,4-divinylbenzene 105-06-6 Danger
1-(4-hydroxy-3-methoxyphenyl)decan-5-one 27113-22-0 Warning
1-(4-methoxy-2,2,6,6-tetramethyl-3-cyclohexen-1-yl)ethan-1-o... 16556-48-2 Warning
1-[(4-methoxy-2-nitrophenyl)azo]-2-naphthol 49744-28-7 Warning
1-(4-methoxyphenyl)pent-1-en-3-one 104-27-8 Warning
1-(4-methyl-2-thienyl)ethan-1-one 13679-73-7 Warning
1-(4-methylphenyl)-3-[4-[[4-[(4-methylphenyl)carbamoylamino]... 133336-92-2 Warning
1-(4-methylphenyl)ethylamine 586-70-9 Danger
1,4-naphthoquinone 130-15-4 Danger
1-(4-nitrophenyl)-3-(4-phenylazophenyl)triazene 5392-67-6 Warning
1-(4-(phenylazo)phenylazo)-2-naphthol 85-86-9 Warning
1,4-phenylene bismethacrylate 3049-31-8 Warning
1-[4-(phenylthio)phenyl]ethan-1-one 10169-55-8 Danger