1-Naphthalenesulfonicacid,8-[(4-methylphenyl)amino]-5-[2-[4-[2-(5-sulfo-1-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-,sodium salt (1:2) (10142-78-6)

Identification
Name:	1-Naphthalenesulfonicacid,8-[(4-methylphenyl)amino]-5-[2-[4-[2-(5-sulfo-1-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-,sodium salt (1:2)
Synonyms:	1-Naphthalenesulfonicacid,8-[(4-methylphenyl)amino]-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-,disodium salt (9CI); C.I. Acid Black 21, disodium salt (8CI);8-[(4-Methylphenyl)amino]-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-1-naphthalenesulfonic acid disodium salt; Acid Black 21; C.I. 26405; C.I. Acid Black 21;Coomassie Fast Black G; Sulphonol Black G; Vondamol Fast Black G
CAS:	10142-78-6
EINECS:	233-404-2
Molecular Formula:	C37H27 N5 O6 S2 . 2 Na
Molecular Weight:	745.73
InChI:	InChI=1/C37H27N5O6S2.2Na/c1-23-15-17-24(18-16-23)38-34-22-21-33(29-11-6-14-36(37(29)34)50(46,47)48)42-41-32-20-19-31(25-7-2-3-8-26(25)32)40-39-30-12-4-10-28-27(30)9-5-13-35(28)49(43,44)45;;/h2-22,38H,1H3,(H,43,44,45)(H,46,47,48);;/q;2*+1/p-2/b40-39+,42-41+;;
Molecular Structure:
Properties
Flash Point:	°C
Boiling Point:	°Cat760mmHg
Density:	g/cm³
Flash Point:	°C
Safety Data