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H311 — Toxic in contact with skin

Hazard class: Acute toxicity, dermal · Category 3

125 substances with this hazard classification

What does H311 mean?

The substance or mixture is toxic if absorbed through the skin.

Safety Guidance

Wear protective gloves and clothing. If on skin, wash with plenty of water. Call a poison center or doctor if you feel unwell.

Substances with H311

SubstanceCAS NumberSignal Word
1,4-benzodioxan-6-ylamine 22013-33-8 Danger
1,4-bis(trichloromethyl)benzene 68-36-0 Danger
1,4-butanediyl diacrylate 1070-70-8 Danger
1,4-dibromobut-2-ene 6974-12-5 Danger
1,4-dichlorobut-2-ene 764-41-0 Danger
1,4-diisocyanatocyclohexane 2556-36-7 Warning
1-(4-methoxyphenyl)thiourea 2293-07-4 Danger
1-(4-tert-butylphenyl)piperazine 68104-61-0 Danger
1,5-anhydro-2-deoxy-D-lyxo-hex-1-enitol 21193-75-9 Warning
1,5-difluoro-2,4-dinitrobenzene 327-92-4 Danger
1-(bromomethyl)-3-phenoxybenzene 51632-16-7 Danger
1-(chloromethyl)-4-vinylbenzene 1592-20-7 Danger
(±)-1-methyl-3-phenylpropylamine 22148-77-2 Danger
1-(o-tolyl)piperazine 39512-51-1 Danger
(1α,2α,3aα,4β,7β,7aα)-1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,... 5103-71-9 Danger
(1α,2α,3α,4β,5α,6β)-1,2,3,4,5,6-hexachlorocyclohexane 319-86-8 Danger
(1α,2α,3α,4β,5β,6β)-1,2,3,4,5,6-hexachlorocyclohexane 6108-10-7 Danger
(1α,2α,3β,4α,5β,6β)-1,2,3,4,5,6-hexachlorocyclohexane 319-84-6 Danger
(1α,2β,3α,4β,5α,6β)-1,2,3,4,5,6-hexachlorocyclohexane 319-85-7 Danger
(1β,3β,5β)-3-[(6-deoxy-3-O-methyl-α-L-talopyranosyl)oxy]-1,1... 663-95-6 Danger
(20ξ)-3β-[(6-deoxy-α-L-mannopyranosyl)oxy]-1β,5β,11α,14,19-p... 1183-35-3 Danger
(2,4-dichlorophenyl)acetonitrile 6306-60-1 Danger
(2,5-dimethylphenyl)acetonitrile 16213-85-7 Danger
(2,6-dichlorophenyl)acetonitrile 3215-64-3 Danger
(2-aminophenyl)acetonitrile 2973-50-4 Danger
(2-bromophenyl)acetonitrile 19472-74-3 Danger
(+)-2-chloropropiononitrile 70886-58-7 Danger
(2E,4E)-hepta-2,4-dienal 4313-03-5 Danger
(2H3)methanol 1849-29-2 Danger
(2H4)methanol 811-98-3 Danger
(2H6)phenol 13127-88-3 Danger
(2H)formaldehyde 1664-98-8 Danger
(±)-2-propylpiperidine 3238-60-6 Danger
(2S)-2-(chloromethyl)oxirane 67843-74-7 Danger
(±)-3-(3,4-dimethoxyphenyl)-6-[(5,6-dimethoxyphenethyl)methy... 56949-77-0 Danger
(3,4-dichlorophenyl)acetonitrile 3218-49-3 Danger
(±)-[3-cyano-3-(3,4-dimethoxyphenyl)hex-6-yl](5,6-dimethoxyp... 23313-68-0 Danger
(3-methoxyphenyl)acetonitrile 19924-43-7 Danger
(3β,5β)-3,5,14,19-tetrahydroxycard-20(22)-enolide 560-54-3 Danger
(±)-4-[1-hydroxy-2-(methylamino)ethyl]pyrocatechol hydrochlo... 329-63-5 Danger
(4-chlorophenyl)hydrazine 1073-69-4 Danger
(5α)-4,5-epoxy-3,14-dihydroxy-17-methylmorphinan-6-one hydro... 357-07-3 Danger
(5α)-6,7,8,14-tetradehydro-4,5-epoxy-6-methoxy-17-methylmorp... 467-04-9 Danger
(5α)-7,8-didehydro-4,5-epoxy-3-methoxy-17-methylmorphinan-6-... 467-13-0 Danger
(8α)-5'α-benzyl-12'-hydroxy-2'-isopropylergotaman-3',6',18-t... 511-07-9 Danger
(8α,9R)-9-hydroxycinchonanium chloride 524-57-2 Danger
(diethylamino)acetonitrile 3010-02-4 Danger
(E)-1,3-dichloropropene 10061-02-6 Warning
(E)-1,4,5,6-tetrahydro-1-methyl-2-[2-(2-thienyl)vinyl]pyrimi... 5685-86-9 Danger
(E)-1,4-dibromobut-2-ene 821-06-7 Danger