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2,7-Naphthalenedisulfonicacid,6-amino-4-hydroxy-3-[2-[7-sulfo-4-[2-(4-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-,sodium salt (1:4) (2118-39-0)

Identification
Name:2,7-Naphthalenedisulfonicacid,6-amino-4-hydroxy-3-[2-[7-sulfo-4-[2-(4-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-,sodium salt (1:4)
Synonyms:2,7-Naphthalenedisulfonicacid,6-amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-,tetrasodium salt (9CI); 2,7-Naphthalenedisulfonic acid,6-amino-4-hydroxy-3-[[7-sulfo-4-[(p-sulfophenyl)azo]-1-naphthyl]azo]-,tetrasodium salt (7CI); C.I. Food Black 2, tetrasodium salt (8CI); Black 7984;Black No. 2; C Black 7; C.I. 27755; C.I. Food Black 2; Daiwa Black FS 20; E152; E 152 (dye); Food Black 2
CAS:2118-39-0
EINECS: 218-326-9
Molecular Formula: C26H19 N5 O13 S4 . 4 Na
Molecular Weight: 825.64208
InChI: InChI=1/C26H19N5O13S4.4Na/c27-20-12-18-13(9-23(20)47(39,40)41)10-24(48(42,43)44)25(26(18)32)31-30-22-8-7-21(17-6-5-16(11-19(17)22)46(36,37)38)29-28-14-1-3-15(4-2-14)45(33,34)35;;;;/h1-12,32H,27H2,(H,33,34,35)(H,36,37,38)(H,39,40,41)(H,42,43,44);;;;/q;4*+1/p-4
Molecular Structure: (C26H19N5O13S4.4Na) 2,7-Naphthalenedisulfonicacid,6-amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]az...
Properties
Flash Point: °C
Boiling Point: °Cat760mmHg
Density:g/cm3
Flash Point: °C
Safety Data
 

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