Product

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid

CAS No.：119-70-0

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5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Basic information

Product Name:	5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid
Synonyms:	5-amino-2-[(4-aminophenyl)amino]-benzenesulfonicaci;TIMTEC-BB SBB001129;4,4'-diamino-2-sulfodiphenylamine;4,4-DIAMINO DIPHENYL-2-SULPHONIC ACID;4,4'-DIAMINODIPHENYLAMINE-2'-SULFONIC ACID;4,4'-DIAMINODIPHENYLAMINE-2-SULFONIC ACID;5-AMINO-2-(P-AMINOANILINO)BENZENESULFONIC ACID;5-AMINO-2-[(P-AMINOPHENYL)AMINO]BENZENESULFONIC ACID
CAS:	119-70-0
MF:	C12H13N3O3S
MW:	279.31
EINECS:	204-344-4
Product Categories:	Building Blocks;Chemical Synthesis;Intermediates of Dyes and Pigments;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds
Mol File:	119-70-0.mol

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Chemical Properties

Melting point	244 °C(lit.)
density	1.527±0.06 g/cm3(Predicted)
vapor pressure	0Pa at 25℃
storage temp.	2-8°C(protect from light)
form	Solid
pka	-1.24±0.50(Predicted)
InChIKey	VKURVCNKVWKGLX-UHFFFAOYSA-N
Dissociation constant	0 at 33℃
CAS DataBase Reference	119-70-0(CAS DataBase Reference)
EPA Substance Registry System	Benzenesulfonic acid, 5-amino-2-[(4-aminophenyl)amino]- (119-70-0)

Safety Information

WGK Germany

MSDS Information

Provider	Language
SigmaAldrich	English

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Usage And Synthesis

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Preparation Products And Raw materials

Preparation Products

C.I. Direct Black 151-->5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid-->Direct Black 197-->Direct Blue 278-->DIRECT BLACK 22-->C.I. Direct Blue, heptasodium salt-->Reactive Yellow ME7GL-->Direct Black 198-->Direct Blue 278:1-->Direct Black 199-->Reactive Blue 256-->2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4-[[4-[[4-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-4-hydroxy-, heptasodium salt-->Direct Black 196-->2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt-->Direct Black 150

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