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Chemical Name CAS Number Signal Word
Hydrogen [3-[(2,4-dihydroxyphenyl)azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-) (EC: 248-072-4) 26864-44-8
Hydrogen [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulphonato(3-)]hydroxychromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1) (EC: 287-257-4) 85443-67-0 Warning
Hydrogen [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulphonato(3-)]hydroxychromate(1-) (EC: 287-254-8) 85443-63-6
Hydrogen [3,4-bis[[(2-hydroxy-1-naphthyl)methylene]amino]benzoato(3-)-N3,N4,O3,O4]nickelate(1-) (EC: 262-703-0) 61300-98-9
Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium (EC: 220-025-2) 2609-88-3
Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium, sodium salt (EC: 222-529-8) 3520-42-1
Hydrogen [4-[(2-chlorophenyl)[4-[ethyl(3-sulphonatobenzyl)amino]phenyl]methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium, sodium salt (EC: 225-458-0) 4857-81-2
Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, aluminium salt (EC: 240-006-2) 15876-40-1 Warning
Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium (EC: 204-165-1) 116-95-0 Warning
Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt (EC: 204-934-1) 129-17-9
Hydrogen [4-[4-(diethylamino)-3',4'-bis(sulphonatomethyl)benzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, potassium salt (EC: 300-596-5) 93942-43-9 Warning
Hydrogen [4-[4-(diethylamino)-5'-hydroxy-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, monosodium salt (EC: 243-654-4) 20262-76-4
Hydrogen [4-[[4-(diethylamino)-o-tolyl][4-[ethyl(3-sulphonatobenzyl)amino]phenyl]methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium, sodium salt (EC: 227-511-3) 5863-46-7
Hydrogen [4-[[4-(diethylamino)phenyl][4-[ethyl[(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium, sodium salt (EC: 229-390-2) 6505-30-2 Warning
Hydrogen [4-[[4-(diethylamino)phenyl][4-[ethyl(3-sulphonatobenzyl)amino]phenyl]methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium, sodium salt (EC: 223-942-6) 4129-84-4
Hydrogen [4-[[4-(diethylamino)phenyl][4-[ethyl(sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(sulphonatobenzyl)ammonium, sodium salt (EC: 306-565-2) 97334-73-1
Hydrogen [4-[[4-(dimethylamino)phenyl][2-ethoxy-5-sulphonato-4-(sulphonato-p-toluidino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium, monosodium salt (EC: 215-376-3) 1324-50-1 Warning
Hydrogen [4-[4-(dimethylamino)-α-(2-hydroxy-3,6-disulphonato-1-naphthyl)benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium, monosodium salt (EC: 221-409-2) 3087-16-9 Warning
Hydrogen [4-[4-(dimethylamino)-α-(3,6-disulphonato-1-naphthyl)benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium, sodium salt (EC: 229-217-0) 6434-86-2
Hydrogen [4-[4-(p-ethoxyanilino)-4'-[ethyl(m-sulphonatobenzyl)amino]-2'-methylbenzhydrylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(m-sulphonatobenzyl)ammonium, monosodium salt (EC: 228-058-4) 6104-58-1
Hydrogen [4-[4-(p-ethoxyanilino)-4'-[ethyl(m-sulphonatobenzyl)amino]benzhydrylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(m-sulphonatobenzyl)ammonium, monosodium salt (EC: 228-060-5) 6104-59-2 Warning
Hydrogen [4-[bis(2,4,6-trimethylphenyl)phosphino] -2,3,5,6-tetrafluorophenyl]hydrobis(2,3,4,5,6-pentafluorophenyl)borate (EC: 635-595-1) 918824-12-1 Warning
Hydrogen 5,6-dichloro-2-[3-[2H-benzimidazol-2-ylidene-5,6-dichloro-1-ethyl-1,3-dihydro-3-(4-sulphonatobutyl)]propen-1-yl]-1-ethyl-3-(4-sulphonatobutyl)-1H-benzimidazolium, sodium salt (EC: 242-344-6) 18462-64-1
Hydrogen 5-chloro-2-[2-[[5-phenyl-3-(3-sulphonatobutyl)-3H-benzoxazol-2-ylidene]methyl]but-1-enyl]-3-(3-sulphonatopropyl)benzoxazolium, compound with triethylamine (1:1) (EC: 263-942-3) Warning
Hydrogen 5-chloro-2-[3-[5-chloro-3-(3-sulphonatopropyl)-3H-benzoxazol-2-ylidene]-2-ethylprop-1-enyl]-3-(3-sulphonatopropyl)benzoxazolium, compound with triethylamine (1:1) (EC: 254-349-0) 39201-42-8
Hydrogen 5-phenyl-2-[2-[[5-phenyl-3-(3-sulphonatopropyl)-3H-benzoxazol-2-ylidene]methyl]but-1-enyl]-3-(3-sulphonatopropyl)benzoxazolium, sodium salt (EC: 251-603-2) 33628-03-4 Warning
Hydrogen [6R-[6α,7β(R*)]]-4-carbamoyl-1-[[2-carboxylato-8-oxo-7-(phenylsulphonatoacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium, monosodium salt (EC: 257-692-4) 52152-93-9 Danger
Hydrogen 7-phenylsulphonato-5-[(4-sulphonatophenyl)aminobenzo[a]phenazinium, sodium salt (EC: 247-157-3) 25641-18-3 Warning
Hydrogen 9-(2,4-dicarboxylatophenyl)-3,6-bis(diethylamino)xanthylium, sodium salt (EC: 265-730-6) 65392-81-6 Warning
Hydrogen 9-(2,4-disulphonatophenyl)-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j']diquinolizin-18-ium (EC: 262-159-4) 60311-02-6 Warning
Hydrogen 9-(2,4-disulphonatophenyl)-3,6-bis(ethylamino)-2,7-dimethylxanthylium, monosodium salt (EC: 227-528-6) 5873-16-5
Hydrogen 9-(2,5-dicarboxylatophenyl)-3,6-bis(diethylamino)xanthylium, sodium salt (EC: 278-292-6) 75701-30-3 Warning
Hydrogen 9-amino-7-phenyl-5-(phenylamino)-4,10-disulphonatobenzo[a]phenazinium, disodium salt (EC: 276-817-3) 72749-80-5
Hydrogen (acetato-O)trifluoroborate(1-) (EC: 231-477-5) 163678-43-1 Danger
Hydrogen azide 7782-79-8 Danger
Hydrogen (benzyl)[4-[[4-[benzylethylamino]phenyl](2,4-disulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)ammonium, sodium salt (EC: 222-476-0) 3486-30-4
Hydrogen bis[1-[(2-hydroxy-4-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) , compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1) (EC: 276-859-2) 72812-36-3
Hydrogen bis[1-[(2-hydroxy-4-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) (EC: 251-079-5) 72797-03-6
Hydrogen bis[1-[(2-hydroxy-4-nitrophenyl)azo]naphthalen-2-olato(2-)]cobaltate(1-) (EC: 251-080-0) 32517-38-7
Hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) , compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1) (EC: 276-858-7) 72812-35-2
Hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) (EC: 256-606-2) 50497-83-1
Hydrogen bis[1-[(5-(aminosulphonyl)-2-hydroxyphenyl)azo]2-naphtholato(2-)]chromate(1-) (EC: 254-143-0) 81604-43-5
Hydrogen bis[1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)]chromate(1-), compound with 2,2'-(dodecylimino)diethanol (1:1) (EC: 282-387-8) 84195-80-2
Hydrogen bis[1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)]chromate(1-) (EC: 250-774-0) 31714-55-3
Hydrogen bis[2-[(2-hydroxy-5-nitrophenyl)azo]-3-oxo-N-phenylbutyramidato(2-)]cobaltate(1-) (EC: 235-861-3) Warning
Hydrogen bis[2-(3-chlorophenyl)-2,4-dihydro-4-[[2-hydroxy-5-mesylphenyl]azo]-5-methyl-3H-pyrazol-3-onato(2-)]chromate(1-) (EC: 275-660-8) 71598-35-1
Hydrogen bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-), compound with 2,2'-(dodecylimino)bis[ethanol] (1:1) (EC: 282-442-6) 84215-37-2 Warning
Hydrogen bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-), compound with 2-ethylhexylamine (1:1) (EC: 275-864-7)
Hydrogen bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1) (EC: 254-539-3) 39609-25-1
Hydrogen bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) (EC: 227-022-5) 12220-52-9 Warning