ChemicalBook Product Catalog Organic Chemistry Amides Sulfonic acids amino compound 2,5-Diaminobenzenesulfonic acid

2,5-Diaminobenzenesulfonic acid

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;Sulfur Compounds;Intermediates of Dyes and Pigments;Building Blocks;Chemical Synthesis;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds
Mol File:88-45-9.mol
2,5-Diaminobenzenesulfonic acid Structure
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 ℃
pka5.17±0.10(Predicted)
form solid
color White to Light gray to Light orange
Water Solubility 4g/L at 26℃
BRN 2970398
LogP0.146 at 26℃
CAS DataBase Reference88-45-9(CAS DataBase Reference)
EPA Substance Registry SystemBenzenesulfonic 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
HS Code 2921.59.8090
HazardClass 8
PackingGroup III
MSDS Information
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2,5-Diaminobenzenesulfonic acid English
SigmaAldrich English
ACROS English
2,5-Diaminobenzenesulfonic acid Usage And Synthesis
Chemical Propertiesviolet powder
Uses2,5-Diaminobenzenesulfonic acid was used in preparation of a polymeric dye, required for laccase-mediated dyeing of cotton.
General Description2,5-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 ExplosibilityNonflammable
2,5-Diaminobenzenesulfonic acid Preparation Products And Raw materials
Preparation ProductsReactive 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-->1-amino-4-(4-amino-2-sulphoanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonic acid
REACTIVE BLUE 4 1,3-DIAMINOBENZENESULFONIC ACID ACID RED 66 ACID BLUE 41 Ethyl 2-(Chlorosulfonyl)acetate REACTIVE BLACK 5 Mordant Brown 33 4-Amino-benzenesulfonic acid monosodium salt disodium 5-((4-acetylamino-2-sulphophenyl)azo)-6-amino-4-hydroxynaphthalene-2-disulphonate ACID YELLOW 65 phosphoric acid UNIBLUE A SODIUM SALT ACID BLUE 25 Direct Red 75 tetrasodium salt Sodium 2-aminosulphanilate 3,4-Diaminobenzenesulfonic acid CI 13015 N,N'-(1,4-Phenylene)bis(acetoacetamide)
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