Tetrasodium 4-amino-5-hydroxy-3,6-bis[2-(4-{[2-(sulfonatooxy)ethane]sulfonyl}phenyl)diazen-1-yl]naphthalene-2,7-disulfonate

helaktyn black b ; remazol black b-id ; ostazin black v-b ; reactive black vb ; 2,7-naphthalenedisulfonic acid,4-amino-5-hydroxy-3,6-bis[[p-[(2-hydroxyethyl)sulfonyl]phenyl]azo]-,3,6-bis(hydrogen sulfate) (ester), tetrasodium salt (8ci) ; celmazol black b ; remazol black sb ; remazol black gf ; navictive black b ; celmazolblackb ; basilen black f-b ; cibacron marine w-b ; diamira black b ; basilen black f-df ; levafix black e-b ; diamirablackb ; synozolblack b ; reactive black 4st ; procion black e-b ; sumifix black b ; reactive dark blue b-bf ; reactive black kn-g 2rc ; cavaliteblackb ; reactiveblack knb ; primazinblackbn ; c.i. reactive black 5 ; sumifixblackb ; 2,7-naphthalenedisulfonicacid, 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-,tetrasodium salt (9ci) ; remazol black b 133 ; remazolblackgf ; synozol black b 150 ; begazol black b ; dimi-rablackb ; primazine black bn ; remazol black b ; taifix black b-t ; reactive black b ; adizol black b ; 2,7-naphthalenedisulfonicacid,4-amino-5-hydroxy-3,6-bis[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-,sodium salt (1:4)