H401 — Toxic to aquatic life

Hazard class: Hazardous to the aquatic environment, acute hazard · Category 2

30 substances with this hazard classification

What does H401 mean?

The substance is toxic to aquatic organisms.

Avoid release to the environment.

Substance	CAS Number	Signal Word
1,1,2,2-tetrachloroethane	79-34-5	Danger
1,1,2-trichlorotrifluoroethane	76-13-1	Danger
1,1-dichloroethylene	75-35-4	Danger
1,2,3-trichloropropane	96-18-4	Danger
1,2,3-trimethylbenzene	526-73-8	Warning
1,2,4-trimethylbenzene	95-63-6	Warning
1,2-dichloro-3-nitrobenzene	3209-22-1	Danger
1,2-dichloropropane	78-87-5	Danger
1,3,5-trichlorobenzene	108-70-3	Warning
1,3-bis(isocyanatomethyl)benzene	3634-83-1	Danger
1,3-dibromopropane	109-64-8	Danger
1,3-dichlorobenzene	541-73-1	Warning
1,3-difluoro-4-nitrobenzene	446-35-5	Danger
1,3-diphenylguanidine	102-06-7	Warning
1,4-dioxacycloheptadecane-5,17-dione	105-95-3	—
1,5-naphthylenediamine	2243-62-1	Warning
1,5-naphthylene diisocyanate	3173-72-6	Danger
(±)-2,2-dimethyl-3-methylenebicyclo[2.2.1]heptane	565-00-4	Danger
(2,4,6-trioxo-1,3,5-triazine-1,3,5(2H,4H,6H)-triyl)tri-2,1-e...	40220-08-4	Warning
(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro...	989-51-5	Warning
(±)-3,7-dimethyloct-6-en-1-ol	26489-01-0	Warning
(±)-3,7-dimethyloctan-3-ol	57706-88-4	Warning
(±)-[3-cyano-3-(3,4-dimethoxyphenyl)hex-6-yl](5,6-dimethoxyp...	23313-68-0	Danger
(carboxylatomethyl)dodecyldimethylammonium	683-10-3	Warning
(carboxymethyl)dimethyl-3-[(1-oxododecyl)amino]propylammoniu...	4292-10-8	Danger
(E)-3-hexenyl salicylate	68141-22-0	Warning
(E)-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one	79-77-6	Warning
(epoxyethyl)benzene	96-09-3	Danger
(R,S)-(±)-α,4-dimethyl-α-(4-methyl-3-pentenyl)cyclohex-3-e...	72059-10-0	Warning
(Z)-3-hexenyl salicylate	65405-77-8	Warning