312693-54-2

4-AMINO-5-HYDROXY-2 7-NAPHTHALENEDISULF& 4-AMINO-5-HYDROXY-2 7-NAPHTHALENEDISULF& ISO 9001：2015 REACH sodium,4-azaniumyl-5-hydroxynaphthalene-2,7-disulfonate,hydrate 4-amino-5-hydroxy-2,7-napthalenedisulfonic acid monosodium salt hydrate 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid hydrate monosodium salt 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt hydrate,H Acid