2,7-Naphthalenedisulfonicacid,5-amino-3-[2-[4'-[2-[7-(ethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-4-hydroxy-,sodium salt (1:3) (6426-75-1)

Identification
Name:	2,7-Naphthalenedisulfonicacid,5-amino-3-[2-[4'-[2-[7-(ethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-4-hydroxy-,sodium salt (1:3)
Synonyms:	2,7-Naphthalenedisulfonicacid,5-amino-3-[[4'-[[7-(ethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-,trisodium salt (9CI); C.I. Direct Black 15, trisodium salt (8CI); C.I. 22620;C.I. Direct Black 15; Diphenyl Blue Black; Direct Black 15
CAS:	6426-75-1
Molecular Formula:	C34H28 N6 O11 S3 . 3 Na
Molecular Weight:	266.3592
InChI:	InChI=1/C13H18N2O2S/c16-18(17,13-10-6-3-7-11-13)15-14-12-8-4-1-2-5-9-12/h3,6-7,10-11,15H,1-2,4-5,8-9H2
Molecular Structure:
Properties
Flash Point:	207°C
Boiling Point:	418.7°Cat760mmHg
Density:	1.24g/cm³
Refractive index:	1.597
Flash Point:	207°C
Safety Data