Acid yellow 19 (C.I. 18967)

1-Naphthalenesulfonic acid, 2-[(E)-2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)

1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-, sodium salt (1:2)

1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)

12220-64-3

2-[2-[1-(2,5-Dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-1-naphthalenesulfonic acid, sodium salt (1:2)

2-{(E)-[1-(2,5-Dichloro-4-sulfonatophényl)-3-méthyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]diazényl}-1-naphtalènesulfonate de disodium

2-{[1-(2,5-Dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]-azo}-1-naphthalenesulfonic acid disodium salt

235-409-5

Acid yellow 19 (C.I. 18967)

Dinatrium-2-{(E)-[1-(2,5-dichlor-4-sulfonatophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}-1-naphthalinsulfonat

Disodium 2-{(E)-[1-(2,5-dichloro-4-sulfonatophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}-1-naphthalenesulfonate

Disodium 2-{[1-(2,5-dichloro-4-sulfonatophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]azo}naphthalene-1-sulfonate

L66J BSWQ CNUN- DT5NNV DHJ BR BG EG DSWQ& E1 &&2Na salt

1-Naphthalenesulfonic acid, 2-((1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-, disodium salt

1-Naphthalenesulfonicacid,2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-,sodium salt (1:2)

1-Naphthalenesulfonicacid,2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-,sodium salt(1:2)

2-((1-(2,5-Dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-1-naphthalenesulfonic acid, disodium salt

2-((1-(2,5-Dichloro-4-sulfophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl)azo)-1-naphthalenesulfonic acid, disodium salt

ACID YELLOW 19

Disodium 2-((1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)naphthalene-1-sulphonate

DISODIUM 2-{2-[1-(2,5-DICHLORO-4-SULFONATOPHENYL)-3-METHYL-5-OXO-4H-PYRAZOL-4-YL]DIAZEN-1-YL}NAPHTHALENE-1-SULFONATE

Sodium 2-((1-(2,5-dichloro-4-sulfonatophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)diazenyl)naphthalene-1-sulfonate