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H341 — Suspected of causing genetic defects

Hazard class: Germ cell mutagenicity · Category 2

97 substances with this hazard classification

What does H341 mean?

The substance is suspected of causing genetic defects based on available evidence.

Safety Guidance

Avoid exposure. Obtain special instructions before use. Wear protective equipment.

Substances with H341

SubstanceCAS NumberSignal Word
1,1,1,2-tetrachloroethane 630-20-6 Warning
1,1'-(1,3-phenylenedicarbonyl)bis[2-methylaziridine] 7652-64-4 Danger
1,1,2,2-tetrachloroethane 79-34-5 Danger
1,1,3,3,3-pentafluoropropene 690-27-7 Danger
1,1,3,3-tetrabutyl-1,3-bis[(1-oxododecyl)oxy]distannoxane 3669-02-1 Danger
1,1,3,3-tetrabutyl-1,3-bis[(1-oxohexadecyl)oxy]distannoxane 85702-57-4 Danger
1,1-dichloroethane 75-34-3 Danger
1,1-dichloroethylene 75-35-4 Danger
1,1'-[methylenebis(sulphonyl)]diethylene 3278-22-6 Danger
1-(1-naphthylmethyl)quinolinium chloride 65322-65-8 Danger
1-(2,3-epoxypropoxy)-2,2-bis[(2,3-epoxypropoxy)methyl]butane 3454-29-3 Warning
1,2,3-trichloropropane 96-18-4 Danger
1,2,4-triazine-3,5-diol 461-89-2 Warning
1-[[2,5-dimethyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphth... 4477-79-6 Warning
1,2:7,8-diepoxyoctane 2426-07-5 Danger
1,2-bis(vinylsulfonylacetamido)ethane 66710-66-5 Danger
1-(2-bromoethoxy)-2-methoxybenzene 4463-59-6 Warning
1-(2-bromoethyl)-4-ethyl-1,4-dihydro-5H-tetrazol-5-one 84501-67-7 Danger
1-(2-chloro-5-nitrophenyl)ethan-1-one 23082-50-0 Warning
1-(2-chloroethyl)piperidinium chloride 2008-75-5 Danger
1,2-dichlorobenzene 95-50-1 Warning
1,2-dichloroethane 107-06-2 Danger
1,2-dichloropropane 78-87-5 Danger
1,2-epoxybutane 106-88-7 Danger
1,2-epoxycyclohexane 286-20-4 Danger
1,2-epoxycyclopentane 285-67-6 Danger
1-[(2-methylphenyl)azo]-2-naphthol 2646-17-5 Warning
1,3,2-dioxathiane 2,2-dioxide 1073-05-8 Danger
1,3,4-thiadiazol-2-amine 4005-51-0 Danger
1-(3,5-dihydroxyphenyl)-2-[[2-(4-hydroxyphenyl)-1-methylethy... 3371-33-3 Danger
1,3-Benzenediamine, 4-methyl-, coupled with diazotized 4-met... 91696-44-5 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-dichloro-2-nitrobenzene 601-88-7 Danger
1,3-dichloro-4-nitrobenzene 611-06-3 Danger
1,3-dichloroacetone 534-07-6 Danger
1,3-dichloropropan-2-ol 96-23-1 Danger
1,3-dichloropropene 542-75-6 Danger
1,3-dioxolane 646-06-0 Danger
1,3-divinylbenzene 108-57-6 Danger
1,3-propanesultone 1120-71-4 Danger
1(4)-butanesultone 1633-83-6 Warning
1,4-dibromobutan-2-ol 19398-47-1 Warning
1,4-dichloro-2-nitrobenzene 89-61-2 Danger
1,4-dichlorobenzene 106-46-7 Warning
1,4-dichlorobut-2-ene 764-41-0 Danger
1,4-dihydroxy-5,8-bis[[2-[(2-hydroxyethyl)amino]ethyl]amino]... 70476-82-3 Danger
1,4-divinylbenzene 105-06-6 Danger
1-(4-(phenylazo)phenylazo)-2-naphthol 85-86-9 Warning