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2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3) (6486-54-0)

Identification
Name:2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3)
Synonyms:2,7-Naphthalenedisulfonicacid,4-amino-3-[[4'-[(1-amino-5-sulfo-2-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-,trisodium salt (9CI); C.I. Direct Black 131, trisodium salt (8CI); C.I. 30270;C.I. Direct Black 131; Cotton Black 3G; Direct Black 131; Direct Black 3G; ErieBlack CW; NSC 79745; Paradiamine Blue Black 3B; Paradiamine Blue Black 3B ExtraConc; Pontamine Black AWG; Special Black 3G; Special Black 3GR
CAS:6486-54-0
Molecular Formula: C38H28 N8 O10 S3 . 3 Na
Molecular Weight: 852.8715
InChI: InChI=1/C38H28N8O10S3/c39-34-28-7-4-8-30(57(48,49)50)27(28)17-18-29(34)44-41-25-13-9-21(10-14-25)22-11-15-26(16-12-22)43-45-36-31(58(51,52)53)19-23-20-32(59(54,55)56)37(38(47)33(23)35(36)40)46-42-24-5-2-1-3-6-24/h1-20,42H,39-40H2,(H,48,49,50)(H,51,52,53)(H,54,55,56)/b44-41+,45-43+,46-37-
Molecular Structure: (C38H28N8O10S3.3Na) 2,7-Naphthalenedisulfonicacid,4-amino-3-[[4'-[(1-amino-5-sulfo-2-naphthalenyl)azo][1,1'-biphenyl]-4-...
Properties
Density:1.659g/cm3
Refractive index:1.775
Safety Data
 

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