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Merck
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32776

Sigma-Aldrich

2,5-Diaminobenzenesulfonic acid

≥97.0% (T)

Sinonimo/i:

1,4-Diamino-2-benzenesulfonic acid, 1,4-Phenylenediamine-2-sulfonic acid, 1,4-Phenylenediamine-3-sulfonic acid, 2-Sulfo-1,4-phenylenediamine, p-Phenylenediamine-2-sulfonic acid

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About This Item

Formula condensata:
(H2N)2C6H3SO3H
Numero CAS:
88-45-9
Peso molecolare:
188.20
Beilstein:
2970398
Numero CE:
201-832-9
Numero MDL:
MFCD00007904
Codice UNSPSC:
12352100
ID PubChem:
57648717
NACRES:
NA.22

Saggio

≥97.0% (T)

Punto di fusione

298-300 °C (dec.) (lit.)

Stringa SMILE

Nc1ccc(N)c(c1)S(O)(=O)=O

InChI

1S/C6H8N2O3S/c7-4-1-2-5(8)6(3-4)12(9,10)11/h1-3H,7-8H2,(H,9,10,11)
HEAHMJLHQCESBZ-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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.

Applicazioni

2,5-Diaminobenzenesulfonic acid was used in preparation of a polymeric dye, required for laccase-mediated dyeing of cotton.

Pittogrammi

Corrosion
GHS05

Avvertenze

Danger

Indicazioni di pericolo

H314

Classi di pericolo

Eye Dam. 1 - Skin Corr. 1B

Codice della classe di stoccaggio

8A - Combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificati d'analisi (COA)

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Polyaniline Derivative with External and Internal Doping via Electrochemical Copolymerization of Aniline and 2, 5-Diaminobenzenesulfonic Acid on IrO2-Coated Titanium Electrode.
Yang C-H and Wen T-C.
Journal of the Electrochemical Society, 141(10), 2624-2632 (1994)
Shengmei Song et al.
Materials science & engineering. C, Materials for biological applications, 118, 111478-111478 (2020-12-02)
The fluorescent boron, nitrogen and sulfur co-doped carbon dots (BNSCDs) were prepared by simple hydrothermal reaction of 4-carboxyphenylboronic acid and 2,5-diaminobenzenesulfonic acid at 200 °C for 8 h. The fluorescence of the BNSCDs could be quenched by Fe3+ based on the electron
Tzanko Tzanov et al.
Applied biochemistry and biotechnology, 111(1), 1-13 (2003-10-21)
This article reports on the dyeing of wool using an enzymatic system comprising laccase; dye precursor, 2,5-diaminobenzenesulfonic acid; and dye modifiers, catechol and resorcinol. Enzymatic dyeing was performed as a batchwise process at the temperature and pH of maximum enzyme
Hristina Hadzhiyska et al.
Biotechnology letters, 28(10), 755-759 (2006-06-23)
Cotton cellulose was dyed "in situ" with a polymeric dye generated by oxidative coupling of colourless 2,5-diaminobenzenesulfonic acid and 1-hydroxyphenol (catechol) with laccase. Up to 70% dye fixation was obtained increasing the concentration of catechol less soluble upon oxidation from
S Chaskes et al.
Mycopathologia, 74(3), 143-148 (1981-06-05)
A simple melanin assay using DL.DOPA as the substrate was developed to aid in the identification of Cryptococcus neoformans. The DL-DOPA drop test was simple and efficient. The best results (100% of the C. neoformans isolates were positive) occurred when

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