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1-Naphthalenesulfonicacid,4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(2,1-diazenediyl)]bis-,sodium salt (1:2) (4553-89-3)

Identification
Name:1-Naphthalenesulfonicacid,4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(2,1-diazenediyl)]bis-,sodium salt (1:2)
Synonyms:1-Naphthalenesulfonicacid, 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bis-,disodium salt (9CI); C.I. Food Brown 3 (7CI); C.I. Food Brown 3, disodium salt(8CI); 1538 Brown; Brown HT; C.I. 20285; Certicol Brown N Extra; Certicol BrownRS; Chocolate Brown HT; E 155; Edicol Brown HT; Hexacol Chocolate Brown HT
CAS:4553-89-3
EINECS: 224-924-0
Molecular Formula: C27H20 N4 O9 S2 . 2 Na
Molecular Weight: 652.57
InChI: InChI=1/C27H20N4O9S2.2Na/c32-14-15-13-22(30-28-20-9-11-23(41(35,36)37)18-7-3-1-5-16(18)20)27(34)25(26(15)33)31-29-21-10-12-24(42(38,39)40)19-8-4-2-6-17(19)21;;/h1-13,32-34H,14H2,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2/b30-28+,31-29+;;
Molecular Structure: (C27H20N4O9S2.2Na) 1-Naphthalenesulfonicacid, 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bis-,disodi...
Properties
Specification:

 C.I. Food Brown 3, disodium salt (4553-89-3) also can be called Hned potravinarska 3 [Czech] ; C.I. Food Brown 3 ; Certicol Brown N Extra ; Chocolate brown HT ; Hexacol Chocolate Brown HT ; Hned potravinarska 3 .

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