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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
(2-chloroethyl)(3-hydroxypropyl)ammonium chloride 40722-80-3 Danger
(2-cyano-1-methylethyl)dodecylethylsulphonium tetrafluorobor... 72140-65-9 Danger
(2E)-3-[3-(4-Fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-... 93957-50-7 Warning
(2E,4E)-2,4-decadien-1-ol 18409-21-7 Warning
(2E,4E)-Isobutyl-deca-2,4-dienamide 18836-52-7 Danger
(2E,6Z)-1,1-diethoxynona-2,6-diene 67674-36-6 Warning
(2E,6Z)-nona-2,6-dien-1-al 557-48-2 Warning
(2-ethylhexanoato-O)(isodecanoato-O)nickel 84852-39-1 Danger
(2-ethylhexanoato-O)(isononanoato-O)nickel 85508-45-8 Danger
(2-ethylhexanoato-O)(isooctanoato-O)cobalt 94246-88-5 Warning
(2-ethylhexanoato-O)(neodecanoato-O)nickel 85135-77-9 Danger
(2H3)methyl (3,3,α,α,α-2H5)methacrylate 35233-69-3 Danger
(2H5)benzoic acid 1079-02-3 Danger
(2H)formaldehyde 1664-98-8 Danger
(±)-[2-hydroxy-3-(naphthyloxy)propyl]isopropylammonium chlor... 3506-09-0 Warning
(2-hydroxyethyl)ammonium mercaptoacetate 126-97-6 Danger
(2-hydroxyethyl)ammonium (o,p-dichlorophenoxy)acetate 3599-58-4 Danger
(2-methylallyloxy)benzene 5820-22-4 Danger
(2-methylnaphthalen-1-yl) acetate 5697-02-9 Warning
(2R)-2-amino-2-phenylacetamide 6485-67-2 Warning
(2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazeti... 76855-69-1 Warning
(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro... 989-51-5 Warning
(2R,3S)-N-(3-amino-2-hydroxy-4-phenylbutyl)-N-isobutyl-4-nit... 244634-31-9 Danger
(2R-cis)-(3-methyloxiranyl)phosphonic acid, compound with 2-... 78964-85-9 Danger
(2S)-2-(chloromethyl)oxirane 67843-74-7 Danger
(2S)-2-hydroxy-2-(3-phenoxyphenyl)acetonitrile 61826-76-4 Danger
(2S,5R)-6,6-Dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3... 76646-91-8 Danger
(2S-cis)-2-(isopropyl)-5-methylcyclohexan-1-one 18309-28-9 Warning
(2S-trans)-3-amino-2-methyl-4-oxoazetidine-1-sulphonic acid 80082-65-1 Warning
(2Z)-2-phenylhex-2-enenitrile 130786-09-3 Warning
(3,3-diethoxy-1-propenyl)benzene 7148-78-9 Warning
(3,4-dichlorophenoxy)acetic acid 588-22-7 Warning
(±)-3,7-dimethyl-1,6-octadien-3-ol 22564-99-4 Warning
(-)-3,7-dimethyloct-6-en-1-ol 7540-51-4 Warning
(±)-3,7-dimethyloct-6-en-1-ol 26489-01-0 Warning
(+)-3,7-dimethyloct-6-enyl formate 93919-91-6 Warning
(-)-3,7-dimethyloct-6-enyl formate 93919-93-8 Warning
(±)-3,7-dimethyloctan-3-ol 57706-88-4 Warning
(3-aminophenyl)urea 25711-72-2 Warning
(3-ammonio-4-methoxyphenyl)(2-hydroxyethyl)ammonium sulphate 83763-48-8 Warning
(3aα,4α,5α,7α,7aα)-3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-in... 59691-23-5 Warning
(3aα,4α,7α,7aα)-octahydro-4,7-methano-1H-indene 2825-83-4 Danger
(3aα,4β,7β,7aα)-octahydro-4,7-methano-1H-indene 2825-82-3 Danger
(3'-carboxymethyl-5-(2-(3-ethyl-3H-benzothiazol-2-ylidene)-1... 166596-68-5 Danger
(3-chloro-2-hydroxypropyl)dimethyl[2-[(2-methyl-1-oxoallyl)o... 58564-96-8 Warning
(3-chloroprop-1-enyl)benzene 2687-12-9 Danger
(3-chloropropoxy)benzene 3384-04-1 Danger
(±)-3-(dimethylamino)-2-methylpropiophenone 51371-02-9 Warning
(3H)-benzofuran-2-one 553-86-6 Warning
(3S,4S)-3-hexyl-4-[(R)-2-hydroxytridecyl]-2-oxetanone 104872-06-2 Warning