H400 — Very toxic to aquatic life.

Substances with H400

CAS Number	Name
3244-90-4	O,O,O',O'-tetrapropyl dithiopyrophosphate
124-30-1	octadecylamine
111-65-9[1]540-84-1[	octane; n-octane [1] 2,2,4-trimethylpentane [2] 2,3,3-trimethylpentane [3] 3,3-dimethylhexane [4] 2,2,3-trimethylpentane [5] 2,3,4-trimethylpentane [6] 3,4-dimethylhexane [7] 2,3-dimethylhexane [8] 2,4-dimethylhexane [9] 4-methylheptane [10] 3-methylheptane [11] 2,2-dimethylhexane [12] 2,5-dimethylhexane [13] 2-methylheptane [14] 2,2,3,3-tetramethylbutane [15] 3-ethyl-2-methylpentane [16] 3-ethylhexane [17] 3-ethyl-3-methylpentane [18] isooctane [19]
26530-20-1	octhilinone (ISO); 2-octyl-2H-isothiazol-3-one; [OIT]
1113-02-6	omethoate (ISO); O,O-dimethyl S-methylcarbamoylmethyl phosphorothioate
39807-15-3	oxadiargyl (ISO); 3-[2,4-dichloro-5-(2-propynyloxy)phenyl]-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one
19666-30-9	oxadiazon (ISO); 3-[2,4-dichloro-5-(1-methylethoxy)phenyl]-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one
460-19-5	oxalonitrile; cyanogen
144651-06-9	oxasulfuron (ISO); oxetan-3-yl 2-[(4,6-dimethylpyrimidin-2-yl)-carbamoylsulfamoyl]benzoate
301-12-2	oxydemeton-methyl; S-2-(ethylsulphinyl)ethyl O,O-dimethyl phosphorothioate
2497-07-6	oxydisulfoton (ISO); O, O-diethyl S-2-ethylsulphinylethyl phosphorodithioate
104-94-9	p-anisidine; 4-methoxyaniline
106-51-4	p-benzoquinone; quinone
106-50-3	p-phenylenediamine
106-49-0[1]540-23-8[	p-toluidine; 4-aminotoluene [1] toluidinium chloride [2] toluidine sulphate (1:1) [3]
15024-10-9	p-tolyl 4-chlorobenzoate
116163-96-3	P,P,P',P'-tetrakis-(o-methoxyphenyl)propane-1,3-diphosphine
76738-62-0	paclobutrazol (ISO); (2RS,3RS)-1-(4-chlorophenyl)-4,4-dimethyl- 2-(1H-1,2,4-triazol-1-yl)pentan-3-ol
1910-42-5[1]2074-50-	paraquat dichloride; 1,1-dimethyl-4,4'-bipyridinium dichloride [1] paraquat dimethylsulfate; 1,1-dimethyl-4,4'-bipyridinium dimethyl sulphate [2]
298-00-0	parathion - methyl (ISO); O,O-dimethyl O-4-nitrophenyl phosphorothioate
56-38-2	parathion (ISO); O,O-diethyl O-4-nitrophenyl phosphorothioate
66246-88-6	penconazole (ISO); 1-[2-(2,4-dichlorophenyl)pentyl]-1H-1,2,4-triazole
66063-05-6	pencycuron (ISO); 1-[(4-chlorophenyl)methyl]-1-cyclopentyl-3-phenylurea
40487-42-1	pendimethalin (ISO); N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine
608-93-5	pentachlorobenzene
87-86-5	pentachlorophenol
1321-64-8	penthachloronaphthalene
183675-82-3	penthiopyrad (ISO); (RS)-N-[2-(1,3-dimethylbutyl)-3-thienyl]-1-methyl-3-(trifluoromethyl)pyrazole-4-carboxamide
79-21-0	peracetic acid . . . %
52645-53-1	permethrin (ISO); m-phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
106700-29-2	pethoxamide (ISO); 2-chloro-N-(2-ethoxyethyl)-N-(2-methyl-1-phenylprop-1-enyl)acetamide
2275-14-1	phenkapton (ISO); S-(2,5-dichlorophenylthiomethyl) O,O-diethyl phosphorodithioate
13684-63-4	phenmedipham (ISO); methyl 3-(3-methylcarbaniloyloxy)carbanilate
121158-58-5[1]210555	phenol, dodecyl-, branched [1] phenol, 2-dodecyl-, branched [2] phenol, 3-dodecyl-, branched [3] phenol, 4-dodecyl-, branched [4] phenol, (tetrapropenyl) derivatives [5]
2597-03-7	phenthoate (ISO); ethyl 2-(dimethoxyphosphinothioylthio)-2-phenylacetate
100-63-0[1]59-88-1[2	phenylhydrazine [1] phenylhydrazinium chloride [2] phenylhydrazine hydrochloride [3] phenylhydrazinium sulphate (2:1) [4]
62-38-4	phenylmercury acetate
55-68-5[1]100-57-2[2	phenylmercury nitrate [1] phenylmercury hydroxide [2] basic phenylmercury nitrate [3]
298-02-2	phorate (ISO); O,O-diethyl ethylthiomethyl phosphorodithioate
4104-14-7	phosacetim (ISO); O,O-bis(4-chlorophenyl) N-acetimidoylphosphoramidothioate
2310-17-0	phosalone (ISO); S-(6-chloro-2-oxobenzoxazolin-3-ylmethyl) O,O-diethyl phosphorodithioate
732-11-6	phosmet (ISO); S-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl] O,O-di-methyl phosphorodithioate; O,O-dimethyl-S-phthalimido-methyl phosphorodithioate
13171-21-6	phosphamidon (ISO); 2-chloro-2-diethylcarbamoyl-1-methylvinyl dimethyl phosphate
7803-51-2	phosphine
14816-18-3	phoxim (ISO); α-(diethoxyphosphinothioylimino) phenylacetonitrile
137641-05-5	picolinafen (ISO); N-(4-fluorophenyl)-6-[3-(trifluoromethyl)phenoxy]pyridine-2-carboxamide; 4′-fluoro-6-[(α,α,α-trifluoro-m-tolyl)oxy]picolinanilide
83-26-1	pindone (ISO); 2-pivaloylindan-1,3-dione
243973-20-8	pinoxaden (ISO); 8-(2,6-diethyl-4-methylphenyl)-7-oxo-1,2,4,5-tetrahydro-7H-pyrazolo[1,2-d][1,4,5]oxadiazepin-9-yl 2,2-dimethylpropanoate
51-03-6	piperonyl butoxide (ISO); 2-(2-butoxyethoxy)ethyl 6-propylpiperonyl ether
24151-93-7	piperophos (ISO); S-2-methylpiperidinocarbonylmethyl-O,O-dipropyl phosphorodithioate
23103-98-2	pirimicarb (ISO); 2-(dimethylamino)-5,6-dimethylpyrimidin-4-yl dimethylcarbamate
23505-41-1	pirimiphos-ethyl (ISO); O,O-diethyl O-2-diethylamino-6-methylpyrimidin-4-yl phosphorothioate
29232-93-7	pirimiphos-methyl (ISO); O-[2-(diethylamino)-6-methylpyrimidin-4-yl] O,O-dimethyl phosphorothioate
176429-22-4	poly-[((4-((4-(ethyl-ethylene)amino)phenyl)-(4-(ethyl-(2-oxyethylene)amino)phenyl)methinyl)-3-methylcyclohexa-2,5-dienylidene)-N-ethyl-N-(2-hydroxyethyl)ammonium acetate]
176429-27-9	poly-[((4-((4-ethyl-ethylene)amino)phenyl)-((4-(ethyl-(2-oxyethylene)amino)phenyl)methinyl)cyclohexa-2,5-dienylidene)-N-ethyl-N-(2-hydroxyethyl)ammonium acetate]
1336-36-3	polychlorobiphenyls; PCB
32289-58-0[1]27083-2	polyhexamethylene biguanide hydrochloride; PHMB [1] PHMB [2]
143747-73-3	Polymer of 1,3-dibromopropane and N,N-diethyl-N',N'-dimethyl-1,3-propanediamine
299-45-6	potasan; O,O-diethyl O-(4-methylcoumarin-7-yl) phosphorothioate
7789-00-6	potassium chromate
7778-50-9	potassium dichromate
7758-09-0	potassium nitrite
7722-64-7	potassium permanganate
37199-66-9	potassium polysulphides
23031-36-9	prallethrin (ISO); ETOC; 2-methyl-4-oxo-3-(prop-2-ynyl)cyclopent-2-en-1-yl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
67747-09-5	prochloraz (ISO); N-propyl-N-[2-(2,4,6-trichlorophenoxy)ethyl]-1H-imidazole-1-carboxamide
41198-08-7	profenofos (ISO); O-(4-bromo-2-chlorophenyl) O-ethyl S-propyl phosphorothioate
26399-36-0	profluralin (ISO); N-(cyclopropylmethyl)-α,α,α-trifluoro-2,6-dinitro-N-propyl-p-toluidine
2631-37-0	promecarb (ISO); 3-isopropyl-5-methylphenyl N-methylcarbamate
1918-16-7	propachlor (ISO); 2-chloro-N-isopropylacetanilide; α-chloro-N-isopropylacetanilide
709-98-8	propanil (ISO); 3',4'-dichloropropionanilide
2312-35-8	propargite (ISO); 2-(4-tert-butylphenoxy) cyclohexyl prop-2-ynyl sulphite
139-40-2	propazine (ISO); 2-chloro-4,6-bis(isopropylamino)-1,3,5-triazine
60207-90-1	propiconazole (ISO); (2RS,4RS;2RS,4SR)-1-{[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]methyl}-1H-1,2,4-triazole
9016-72-2	propineb (ISO); polymeric zinc propylenebis(dithiocarbamate)
114-26-1	propoxur (ISO); 2-isopropyloxyphenyl N-methylcarbamate; 2-isopropoxyphenyl methylcarbamate
181274-15-7	propoxycarbazone-sodium
121-79-9	propyl 3,4,5-trihydroxybenzoate
23950-58-5	propyzamide (ISO); 3,5-dichloro-N-(1,1-dimethylprop-2-ynyl)benzamide
189278-12-4	proquinazid (ISO); 6-iodo-2-propoxy-3-propylquinazolin-4(3H)-one
94125-34-5	prosulfuron (ISO); 1-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)-3-[2-(3,3,3-trifluoropropyl)phenylsulfonyl]urea
178928-70-6	prothioconazole (ISO); 2-[2-(1-chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-2,4-dihydro-3H-1,2,4-triazole-3-thione
175013-18-0	pyraclostrobin (ISO); methyl N-{2-[1-(4-chlorophenyl)-1H-pyrazol-3-yloxymethyl]phenyl}(N-methoxy)carbamate
129630-19-9[1]129630	pyraflufen-ethyl (ISO); 2-chloro-5-(4-chloro-5-difluoromethoxy-1-methylpyrazol-3-yl)-4-fluorophenoxyacetic acid ethyl ester [1] pyraflufen (ISO); 2-chloro-5-(4-chloro-5-difluoromethoxy-1-methylpyrazol-3-yl)-4-fluorophenoxyacetic acid [2]
13457-18-6	pyrazophos (ISO); O,O-diethyl O-(6-ethoxycarbonyl-5-methylpyrazolo[2,3-a]pyrimidin-2-yl) phosphorothioate
96489-71-3	pyridaben (ISO); 2-tert-butyl-5-(4-tert-butylbenzylthio)-4-chloropyridazin-3(2H)-one
179101-81-6	pyridalyl (ISO); 2,6-dichloro-4-(3,3-dichloroallyloxy)phenyl 3-[5-(trifluoromethyl)-2-pyridyloxy]propyl ether
55512-33-9	pyridate (ISO); O-(6-chloro-3-phenylpyridazin-4-yl) S-octyl thiocarbonate
3811-73-215922-78-8	Pyridine-2-thiol 1-oxide, sodium salt; pyrithione sodium; sodium pyrithione
13463-41-7	pyrithione zinc; (T-4)- bis[1-(hydroxy-.kappa.O)pyridine-2(1H)- thionato-.kappa.S]zinc
422556-08-9	pyroxsulam (ISO); N-(5,7-dimethoxy[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)-2-methoxy-4-(trifluoromethyl) pyridine-3-sulfonamide
63449-41-2	quaternary ammonium compounds, benzyl-C8-18-alkyldimethyl, chlorides
13593-03-8	quinalphos (ISO); O,O-diethyl-O-quinoxalin-2-yl phosphorothioate
2797-51-5	quinoclamine (ISO); 2-amino-3-chloro-1,4-naphthoquinone
148-24-3	quinolin-8-ol; 8-hydroxyquinoline
2439-01-2	quinomethionate; chinomethionat (ISO); 6-methyl-1,3-dithiolo(4,5-b)quinoxalin-2-one
124495-18-7	quinoxyfen (ISO); 5,7-dichloro-4-(4-fluorophenoxy)quinoline
82-68-8	quintozene (ISO); pentachloronitrobenzene
200509-41-7	quizalofop-P-tefuryl (ISO); (+/-) tetrahydrofurfuryl (R)-2-[4-(6-chloroquinoxalin-2-yloxy)phenyloxy]propionate
881685-58-1	Reaction mass of 3-(difluoromethyl)-1-methyl-N-[(1RS,4SR,9RS)-1,2,3,4-tetrahydro-9-isopropyl-1,4-methanonaphthalen-5-yl]pyrazole-4-carboxamide and 3-(difluoromethyl)-1-methyl-N-[(1RS,4SR,9SR)-1,2,3,4-tetrahydro-9-isopropyl-1,4-methanonaphthalen-5-yl]pyrazole-4-carboxamide [≥ 78% syn isomers ≤15% anti isomers relative content]; isopyrazam

Showing 801–900 of 1040 substances (IUPAC name order).