Description

n-Ethyl[4,4'-Sulfonylbis(Benzenamine)] is a specialized aromatic amine derivative featuring a sulfonyl bridge, which imparts unique chemical properties for advanced synthesis. This compound is valued for its role as a versatile intermediate in the production of high-performance polymers and functional materials. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for applications requiring tailored molecular architectures.

Application

• As a key monomer or chain extender in the synthesis of high-temperature resistant polyimides and polyamides.
• As an intermediate for the production of specialty dyes, pigments, and optical brighteners.
• In the manufacture of epoxy resin hardeners and curing agents for advanced composite materials.
• As a building block for pharmaceutical active ingredients and agrochemicals.
• In research and development for creating novel polymers with specific thermal and mechanical properties.
• For the synthesis of sulfonated polymers used in membranes for filtration and separation technologies.

Basic Information

Product Name	n-Ethyl[4,4'-Sulfonylbis(Benzenamine)]
CAS No.	3572-34-7
Molecular Formula	C14H16N2O2S
Molecular Weight	276.35 g/mol
Synonyms	4,4'-Sulfonyldianiline, N-ethyl derivative; N-Ethyl-4,4'-diaminodiphenyl sulfone; 4-Amino-4'-(ethylamino)diphenyl sulfone; 4,4'-Diaminodiphenyl sulfone N-monoethyl derivative; Bis(4-aminophenyl) sulfone, N-ethyl; Ethylamino diphenyl sulfone; N-Ethyl-DDS; N-Ethyl-4,4'-diaminodiphenylsulfone
EINECS	Contact for details

Quality Control

Our n-Ethyl[4,4'-Sulfonylbis(Benzenamine)] is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets exacting standards for industrial and research use. Certificates of Analysis (COA) detailing all test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive nature and propensity for oxidation, prolonged exposure to light and air should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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