釷鋯試劑;對磺基苯偶氮變色酸三鈉;變色酸，英文名稱為2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt，分子式為C16H9N2O11S3，CAS號為23647-14-5，是一種化工中間體。
基本信息,系統編號,
基本信息
中文名稱:釷鋯試劑；對磺基苯偶氮變色酸三鈉；變色酸
英文名稱:2-(4-Sulfophenylazo)1,8-dihydroxy-3,6-naphthalenedisulfonic acid, trisodium salt
英文別名：4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalenedisulfonic acid, trisodium salt; p-Sulfophenylazochromotropic acid trisodium salt; SPADNS; 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid trisodium salt; trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate; Sulphanilic acid azochromotrope~2-(4-Sulphophenylazo)chromotropic acid trisodium salt; trisodium (3Z)-5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate; trisodium (3E)-5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate; 5-hydroxy-4-oxo-3-[(4-sulfonatophenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate
CAS號:23647-14-5
分子式:C16H9N2O11S3
分子量:501.4461
系統編號
CAS號：23647-14-5
EINECS號：245-803-9
