Product

2,5-Diaminobenzenesulfonic acid

CAS No.：88-45-9

Other grades of this product :

2,5-Diaminobenzenesulfonic acid Basic information

Product Name:	2,5-Diaminobenzenesulfonic acid
Synonyms:	1,4-PHENYLENEDIAMINE-2-SULPHONIC ACID;1,4-PHENYLENEDIAMINE-3-SULFONIC ACID;1,4 DIAMINOBENZENE 2 SULFONIC ACID;2,5-DIAMINOBENZENESULFONIC ACID;2,5-DiaMinobenzenesulfonic acid, 97%, contains <10% Monohydrochloride salt;1,4-Diamino-2-benzenesulfonic acid;2,5-Diaminophenyl-1-sulfonic acid;2,5-Diaminobenzene-1-sulfonic acid
CAS:	88-45-9
MF:	C6H8N2O3S
MW:	188.2
EINECS:	201-832-9
Product Categories:	Organic Building Blocks;Sulfonic/Sulfinic Acids;Intermediates of Dyes and Pigments;Sulfur Compounds;Building Blocks;Chemical Synthesis;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds
Mol File:	88-45-9.mol

2,5-Diaminobenzenesulfonic acid Chemical Properties

Melting point	298-300 °C (dec.) (lit.)
Boiling point	500°C
density	1.366 (estimate)
vapor pressure	0Pa at 25℃
refractive index	1.6490 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	2.308g/L in organic solvents at 20 ℃
form	solid
pka	5.17±0.10(Predicted)
color	White to Light gray to Light orange
Water Solubility	4g/L at 26℃
BRN	2970398
LogP	0.146 at 26℃
CAS DataBase Reference	88-45-9(CAS DataBase Reference)
EPA Substance Registry System	Benzenesulfonic acid, 2,5-diamino- (88-45-9)

Safety Information

Hazard Codes	C,Xi
Risk Statements	34-36/37/38
Safety Statements	26-36/37/39-45-36
RIDADR	UN 2583 8/PG 2
WGK Germany	2
RTECS	DB5900100
HazardClass	8
PackingGroup	III

MSDS Information

Provider	Language
2,5-Diaminobenzenesulfonic acid	English
ACROS	English
SigmaAldrich	English

2,5-Diaminobenzenesulfonic acid Usage And Synthesis

Chemical Properties	violet powder
Uses	2,5-Diaminobenzenesulfonic acid was used in preparation of a polymeric dye, required for laccase-mediated dyeing of cotton.
General Description	2,5-Diaminobenzenesulfonic acid is a dye precursor. Electrochemical copolymerization of 2,5-diaminobenzensulfonic acid and aniline by cyclic voltammetry on IrO₂ coated titanium electrodes was reported.
Flammability and Explosibility	Nonflammable

2,5-Diaminobenzenesulfonic acid Preparation Products And Raw materials

Preparation Products

Reactive Blue 74-->disodium 5-((4-acetylamino-2-sulphophenyl)azo)-6-amino-4-hydroxynaphthalene-2-disulphonate-->Reactive Blue 49-->REACTIVE BLUE 2-->hexasodium 4-amino-3,6-bis[[4-[[4-chloro-6-[(3-sulphonatophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulphonatophenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate-->Benzenesulfonic acid, 2-[[2-(methylamino)-1-naphthalenyl]azo]-5-nitro-, monosodium salt-->Acid Yellow 158:1-->Reactive Blue 94-->4-Amino-3-[[4'-[(2,7-diamino-1-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-6-[(4-nitro-2-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt-->Levafix Brilliant Blue E-B-->Reactive Orange 29-->REACTIVE ORANGE 14-->Direct Red 75 tetrasodium salt-->Acid Red 34

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