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2,7-Naphthalenedisulfonicacid,3-[2-[4'-[2-[5-[2-[4-(acetylamino)phenyl]diazenyl]-2,4-diaminophenyl]diazenyl]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]diazenyl]-5-amino-4-hydroxy-,sodium salt (1:2) (7237-47-0)

Identification
Name:2,7-Naphthalenedisulfonicacid,3-[2-[4'-[2-[5-[2-[4-(acetylamino)phenyl]diazenyl]-2,4-diaminophenyl]diazenyl]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]diazenyl]-5-amino-4-hydroxy-,sodium salt (1:2)
Synonyms:C.I. DirectBlack 20, disodium salt (8CI); C.I. 30395; C.I. Direct Black 20; Direct BlueBlack BM
CAS:7237-47-0
Molecular Formula: C38H34 N10 O10 S2 . 2 Na
Molecular Weight: 2391.6191
InChI: InChI=1/C18H31N6.C18H29N6.8C2H3F3O2.4Hg/c2*1-4-10-19-13(7-1)16-22-17(14-8-2-5-11-20-14)24-18(23-16)15-9-3-6-12-21-15;8*3-2(4,5)1(6)7;;;;/h13-18,22H,1-12H2;1,4,13-18,24H,2-3,5-12H2;8*1,6-7H;;;;/q2*-5;;;;;;;;;;;2*+2
Molecular Structure: (C38H34N10O10S2.2Na) C.I. DirectBlack 20, disodium salt (8CI); C.I. 30395; C.I. Direct Black 20; Direct BlueBlack BM
Properties
Flash Point: 291.7°C
Boiling Point: 522°C at 760 mmHg
Flash Point: 291.7°C
Safety Data
 

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