CAS NO:1058-92-0

EC NO:213-894-4

Molecular Formula:C₁₆H₉ClN₂Na₂O₉S₂

Molecular Weight:518.8132

Synonyms:;3-(5-Chloro-2-hydroxyphenylazo)-4,5-dihydroxy-2,7-naphthalene disulfonic acid, disodium salt;C.I. 16680;Eriochrome Blue SE;plasmocorinth B (C.I. 16680);disodium 3-(5-chloro-2-hydroxyphenylazo)-4,5-dihydroxynaphthalene-2,7-disulphonate;Mordant Blue 13 (16680);Sunchromine fast blue MB;Eriochrom Blue SE;Mordant Blue 13 dihydrate;disodium (3Z)-3-[(5-chloro-2-hydroxyphenyl)hydrazono]-5-hydroxy-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate;disodium 3-[(E)-(5-chloro-2-hydroxyphenyl)diazenyl]-4,5-dihydroxynaphthalene-2,7-disulfonate;

Molecular Structure:

CAS NO:76-61-9

EC NO:200-973-3

Molecular Formula:C₂₇H₃₀O₅S

Molecular Weight:466.5891

Synonyms:;TB;Thymolsulfonephthalein;Thymolsulphonephthalein;4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[5-methyl-2-(propan-2-yl)phenol];2-{(E)-[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl][2-methyl-5-(1-methylethyl)-4-oxocyclohexa-2,5-dien-1-ylidene]methyl}benzenesulfonic acid;

Molecular Structure: