Description

2,3-Diamino[Sulfonylbisbenzene] is a specialized aromatic diamine derivative featuring a sulfonyl bridging group. This compound matters as a versatile and high-value chemical intermediate for synthesizing advanced functional materials. Industries requiring high-performance polymers, pharmaceuticals, and agrochemicals rely on its unique bifunctional structure to build complex molecular architectures.

Application

• Polymer Synthesis: Key monomer for producing high-temperature resistant polyimides, polyamides, and epoxy curing agents.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Production: Serves as a building block for herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Intermediate for creating azo dyes and other complex colorants.
• Liquid Crystal & OLED Materials: Precursor for electronic chemicals used in display technologies.
• Cross-linking Agent: Imparts thermal and chemical stability to resins and coatings.
• Research & Development: Valuable reagent in organic synthesis and material science R&D.

Basic Information

Item	Details
Product Name	2,3-Diamino[Sulfonylbisbenzene]
CAS No.	34262-29-8
Molecular Formula	C12H12N2O2S
Molecular Weight	248.30 g/mol
Synonyms	2,3-Diaminodiphenyl sulfone; 2,3-Diaminophenyl sulfone; 2,3-DAPS; Bis(2,3-diaminophenyl) sulfone; 2,2'-Sulfonylbis(1,3-benzenediamine); 3,3'-Diaminodiphenyl sulfone (isomer); 1,2-Diamino-3-(3-amino-4-hydroxyphenylsulfonyl)benzene; Sulfonylbis(2,3-diaminobenzene)
EINECS	Contact for details

Quality Control

Our 2,3-Diamino[Sulfonylbisbenzene] is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee compliance with your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.