3-Hydroxy-4-(2-{2-hydroxy-3,6-bis[(sodiooxy)sulfonyl]naphthalen-1-yl}diazen-1-yl)naphthalene-1-sulfonic acid

hydroxy naphthol blue, disodium salt, pure 5gr ; hydroxy naphthol blue disodium salt ; hydroxynaphtholblueacs ; hydroxy naphthol blue, disodium salt, pure 100gr ; hydroxy naphthol blue disodium ; hydroxy naphthol blue ; hydroxy naphthol blue reagent (acs) ; hydroxy naphthol blue, disodium salt, reagent ; hydroxynaphtholbluedisodiumsalt,reagent,acs ; hydroxy naphthol blue, disodium salt, pure