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H400 — Very toxic to aquatic life

Hazard class: Hazardous to the aquatic environment, acute hazard · 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
(cyano-C)diethylaluminium 5804-85-3 Danger
(dibutylamine)bis(dibutyldithiocarbamato-S,S')zinc 35884-05-0 Warning
(dicyclopropylmethyl)(4,5-dihydro-2-oxazolyl)ammonium dihydr... 85409-38-7 Danger
(dimethylamino)trimethylstannane 993-50-0 Danger
(E)-1,3-dichloropropene 10061-02-6 Warning
(E)-1-benzhydryl-4-cinnamylpiperazine 16699-20-0 Warning
(E)-3-[1-[4-[2-(dimethylamino)ethoxy]phenyl]-2-phenylbut-1-e... 82413-20-5 Danger
(E)-3,7,11-trimethyldodeca-1,6,10-trien-3-ol 40716-66-3 Warning
(E)-3,7-dimethylocta-1,3,6-triene 3779-61-1 Danger
(E)-3-(dimethylamino)-1-methyl-3-oxoprop-1-enyl dimethyl pho... 141-66-2 Danger
(E)-3-hexenyl salicylate 68141-22-0 Warning
(E)-3-methyl-5-cyclopentadecen-1-one 82356-51-2 Warning
(E)-4,4'-(1,2-diethylethylene)dianisole 130-79-0 Warning
(E)-dodec-2-en-1-al 20407-84-5 Warning
(E,E)-2,6-dimethylocta-2,4,6-triene 3016-19-1 Danger
(E,E)-[3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)penta-2... 53282-28-3 Danger
(E)-undec-2-enal 53448-07-0 Warning
(E,Z)-2,6-dimethylocta-2,4,6-triene 7216-56-0 Danger
(E,Z)-4-chlorophenyl(cyclopropyl)ketone O-(4-nitrophenylmeth... 94097-88-8 Warning
(hexadecylamidopropyl)trimethylammonium chloride 51277-96-4 Danger
(isodecanoato-O)(isononanoato-O)nickel 84852-36-8 Danger
(isodecanoato-O)(isooctanoato-O)nickel 85166-19-4 Danger
(isononanoato-O)(isooctanoato-O)nickel 85508-46-9 Danger
(isononanoato-O)(neodecanoato-O)nickel 85551-28-6 Danger
(isooctanoato-O)(neodecanoato-O)nickel 84852-35-7 Danger
(lactato-O1,O2)silver 15768-18-0 Warning
(maleato)trioxotetralead 12275-07-9 Danger
(+)-menthol 15356-60-2 Danger
(neodecanoato-O)phenylmercury 26545-49-3 Danger
(octahydro-4,7-methano-1H-indenediyl)bis(methylene) bismetha... 43048-08-4 Warning
(p-ammoniophenyl)bis(2-hydroxyethyl)ammonium sulphate 54381-16-7 Danger
(phenylethyl)benzene 38888-98-1 Danger
(-)-pin-2(10)-ene 18172-67-3 Danger
(quinolin-8-olato)lithium 25387-93-3 Warning
(R)-2-aminobutan-1-ol 5856-63-3 Warning
(R)-5-bromo-3-(1-methyl-2-pyrrolidinyl methyl)-1H-indole 143322-57-0 Danger
(R)-5-isopropyl-2-methylcyclohexa-1,3-diene 4221-98-1 Danger
(R)-p-mentha-1,8-diene 5989-27-5 Danger
(R*,S*)-2,3-diphenylsuccinic acid 1225-13-4 Warning
(R)-sec-butylamine 13250-12-9 Danger
(R*,S*)-(±)-α-[4-[2-(dimethylamino)ethoxy]phenyl]-β-ethyl-α-... 77542-06-4 Danger
(S)-7-(β-D-glucopyranosyloxy)-2,3-dihydro-5-hydroxy-2-(4-hyd... 529-55-5 Warning
(S)-dichloro[2-[[(2,3-dihydroxypropoxy)hydroxyphosphinyl]oxy... 64681-08-9 Danger
(S)-N-2-naphthyl-5-oxopyrrolidine-2-carboxamide 22155-91-5 Warning
(S)-p-mentha-1,8-diene 5989-54-8 Danger
(S)-sec-butylamine 513-49-5 Danger
(S,S)-trans-4-(acetylamino)-5,6-dihydro-6-methyl-7,7-dioxo-4... 120298-38-6 Warning
(+/-) tetrahydrofurfuryl (R)-2-[4-(6-chloroquinoxalin-2-ylox... 200509-41-7 Warning
(+/-) trans-3,3-dimethyl-5-(2,2,3-trimethyl-cyclopent-3-en-1... 107898-54-4 Warning
(Z)-1,3-dichloropropene 10061-01-5 Danger