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H400 โ€” Very toxic to aquatic life

Hazard class: Hazardous to the aquatic environment, acute hazard ยท Category 1

326 substances with this hazard classification

What does H400 mean?

The substance is very toxic to aquatic organisms at very low concentrations.

Safety Guidance

Avoid release to the environment. Collect spillage. Dispose of contents and container in accordance with regulations.

Substances with H400

SubstanceCAS NumberSignal Word
1,10-decanediyl bismethacrylate 6701-13-9 Warning
1,10-decanediyl diacrylate 13048-34-5 Warning
1,10-dichlorodecane 2162-98-3 Warning
1,10-phenanthroline 66-71-7 Danger
1,10-phenanthroline hydrochloride 22802-96-6 Danger
1,10-phenanthroline monohydrochloride monohydrate 3829-86-5 Danger
1,1'-[1,1'-biphenyl]-4,4'-diylbis[2-bromoethan-1-one] 4072-67-7 Danger
1,1'-(1,1-dimethyl-3-methylene-1,3-propanediyl)bisbenzene 6362-80-7 Warning
1,1,1,2,3,3,3-heptafluoro-2-iodopropane 677-69-0 Danger
1-[1,1'-biphenyl]-4-yl-2-phenylethan-1-one 2001-23-2 Warning
1,1,1-trichloroethane 71-55-6 Warning
1,1'-(2,2,2-trichloroethylidene)dibenzene 2971-22-4 Warning
1,1,2,3,3,5-hexamethylindan 4834-28-0 Warning
1,1,2,3,3,6-hexamethylindan-5-yl methyl ketone 15323-35-0 Warning
1,1,2,3-tetrachloropropene 10436-39-2 Danger
1,12-dodecanediyl bismethacrylate 72829-09-5 Warning
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
1,1,3,3-tetrabutyl-1,3-ditinoxydicaprylate 56533-00-7 Danger
1,1,3-trichloroacetone 921-03-9 Danger
1,1'-(4-methyl-1,3-phenylene)bis-1H-pyrrole-2,5-dione 6422-83-9 Danger
(1,1'-biphenyl)sodium 5137-46-2 Danger
1,1-bis(4-hydroxyphenyl)-1-phenylethane 1571-75-1 Warning
1,1'-(chlorovinylidene)bis[4-chlorobenzene] 1022-22-6 Warning
1,1-dichloro-2,2-bis(4-ethylphenyl)ethane 72-56-0 Warning
1,1-dichloroacetone 513-88-2 Danger
1,1'-(dichlorovinylidene)bis[chlorobenzene] 68679-99-2 Danger
1,1-diethoxy-3,5,5-trimethylhexane 86198-35-8 Warning
1,1-dimethyl-2-selenourea 5117-16-8 Danger
1,1'-dimethyl-4,4'-bipyridinium 4685-14-7 Danger
1,1-dimethylheptanethiol 25360-10-5 Warning
1,1-dimethylhydrazine monohydrochloride 593-82-8 Danger
1,1-dimethylpropyl 3,5,5-trimethylperoxyhexanoate 68860-54-8 Danger
1-(1-isocyanato-1-methylethyl)-3-(1-methylethenyl)benzene 2094-99-7 Danger
1,1'-methylenebis[4-chlorobenzene] 101-76-8 Warning
1,1'-[methylenebis(sulphonyl)]diethylene 3278-22-6 Danger
1-[2-(2,4-dichlorophenyl)-2-[(2,6-dichlorophenyl)methoxy]eth... 24168-96-5 Warning
1-[2-(2,4-dichlorophenyl)-2-[(2,6-dichlorophenyl)methoxy]eth... 40036-10-0 Warning
1-[[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]methyl... 60207-90-1 Danger
1-[2-(2,4-dichlorophenyl)pentyl]-1H-1,2,4-triazole 66246-88-6 Warning
1,2,3,4,7,7-hexachlorobicyclo[2.2.1]hepta-2,5-diene 3389-71-7 Warning
1,2,3,4-tetrachlorobenzene 634-66-2 Danger
1,2,3,4-tetrahydro-1-naphthyl hydroperoxide 771-29-9 Danger
1,2,3,4-tetrahydro-2-methyl-1,4-dioxonaphthalene-2-sulphonic... 73581-79-0 Warning
1,2,3,4-Tetrahydro-6-(1-phenylethyl)naphthalene 6196-98-1 Warning
1,2,3,5-tetrachloro-4,6-bis(chloromethyl)benzene 1133-57-9 Warning
1,2,3,5-tetrachlorobenzene 634-90-2 Warning
1,2,3-trichlorobenzene 87-61-6 Warning
1,2,4,5-tetrachlorobenzene 95-94-3 Danger
1,2,4,5-tetramethyl-3,6-dinitrobenzene 5465-13-4 Danger