87-03-6 7,7'-亚氨双(4-羟基-2-萘磺酸)

名称和标识

中文名: 7,7'-亚氨双(4-羟基-2-萘磺酸)
英文名: 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)
CAS号: 87-03-6
分子式: C20H15NO8S2
分子量: 461.46
中文别名: 双J酸; 双杰酸; 若杜林酸; N,N-双(5-萘酚-7-磺酸)胺
英文别名: 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid; 4,4'-Dihydroxy-7,7'-iminodi(naphthalene-2-sulfonic acid); Rhoduline acid; 6,6'-Iminobis(1-hydroxynaphthalene-3-sulfonic acid); 4-hydroxy-7-[(5-hydroxy-7-sulfo-2-naphthyl)amino]naphthalene-2-sulfonic acid; 4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)amino]naphthalene-2-sulfonic acid; I Acid Imide; 6,6'-Iminobis(1-hydroxy-3-sulfonaphthalene); Di-J acid; 4,4'-dihydroxy-7,7'-imino-bis-naphthalene-2-sulfonic acid; J Acid Imide; RW acid

安全说明

TSCA:TSCA listed

用途与制备

染料

由2-氨基-5-萘酚-7-磺酸（即J酸）在亚硫酸氢钠存在下缩合而得。

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