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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
1,1,1,3,3,3-hexamethyldisilazane 999-97-3 Danger
1,1'-(1,3-phenylene)bis-1H-pyrrole-2,5-dione 3006-93-7 Danger
1,1,1-trichloro-3,3,3-trifluoroacetone 758-42-9 Danger
1,1,1-Trifluoro-N-(trifluoromethanesulfonyl)methanesulfonami... 82113-65-3 Danger
1,1,2,3-tetrachloropropene 10436-39-2 Danger
1-(1,4-benzodioxan-2-ylcarbonyl)piperazine hydrochloride 70918-74-0 Danger
1,1-dibromoethane 557-91-5 Danger
1,1-dichloro-1-nitroethane 594-72-9 Danger
1,1'-(dichlorovinylidene)bis[chlorobenzene] 68679-99-2 Danger
1,1-dimethyl-3-[octahydro-4,7-methano-1H-inden-1(or 2)-yl]ur... 28805-78-9 Danger
1,1'-dimethyl-4,4'-bipyridinium 4685-14-7 Danger
1,1-dimethylhydrazine monohydrochloride 593-82-8 Danger
1,1'-(hexane-1,6-diyl)bis-1H-pyrrole-2,5-dione 4856-87-5 Danger
1,1'-tellurobisethane 627-54-3 Danger
1,2,3,4,5,6-hexachloro-7-methoxynaphthalene 1506-15-6 Danger
1,2,3-trichloropropane 96-18-4 Danger
1,2,3-trichloropropene 96-19-5 Danger
1,2,3-trifluoro-4-nitrobenzene 771-69-7 Danger
1-(2,4-dichlorophenyl)cyclopropanecarbonitrile 71463-55-3 Danger
1,2:7,8-diepoxyoctane 2426-07-5 Danger
1,2-dibromo-[1,1,2,2-2H4]ethane 22581-63-1 Danger
1,2-dibromo-1,1-dichloroethane 75-81-0 Danger
1,2-dichloro-3-isocyanatobenzene 41195-90-8 Danger
1,2-dimethylhydrazine dihydrochloride 306-37-6 Danger
1,2-dimethylpropylamine 598-74-3 Danger
1,2-epoxy-3-fluoropropane 503-09-3 Danger
1,2-epoxycyclohexane 286-20-4 Danger
1,2-ethanediyl diacrylate 2274-11-5 Danger
(±)-1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-d... 1699-51-0 Danger
1,3,5-triazine-2,4,6(1H,3H,5H)-trione, compound with hydrazi... 18836-29-8 Danger
1,3,5-trichloro-2-nitrobenzene 18708-70-8 Danger
1,3-Benzenediamine, 4-methyl-, coupled with diazotized 4-met... 91696-44-5 Danger
1,3-butadienyl acetate 1515-76-0 Danger
1,3-dichloro-2-isocyanatobenzene 39920-37-1 Danger
1,3-dichloro-2-nitrobenzene 601-88-7 Danger
1,3-dichloro-4-nitrobenzene 611-06-3 Danger
1,3-dichloro-5-isocyanatobenzene 34893-92-0 Danger
1,3-dichloropropan-2-ol 96-23-1 Danger
1,3-dichloropropene 542-75-6 Danger
1,3-difluoro-4-nitrobenzene 446-35-5 Danger
1,3-diisopropyl-2-(p-nitrobenzyl)isourea 2978-11-2 Danger
1,3-diisopropyl-2-thiourea 2986-17-6 Danger
1,3-dimethylimidazolidin-2-one 80-73-9 Danger
1,3-propanediamine dihydrochloride 10517-44-9 Danger
1,3-propanesultone 1120-71-4 Danger
1,4,5,6-tetrahydro-1,2-dimethylpyrimidine 4271-96-9 Danger
1,4,5,6-tetrahydro-1-methyl-2-[2-(2-thienyl)vinyl]pyrimidine... 17076-90-3 Danger
1,4,5-trideoxy-1,4-imino-5-(p-methoxyphenyl)-D-xylo-pentitol... 22862-76-6 Danger
1,4,7,10-tetraazacyclododecane 294-90-6 Danger
1-(4-aminophenyl)-1H-pyrrole-2,5-dione 29753-26-2 Danger