Description

3-(Ethylamino)Benzenesulfonic Acid is a versatile aromatic sulfonic acid derivative that serves as a key intermediate in the synthesis of more complex organic molecules. Its value lies in its bifunctional structure, featuring both a sulfonic acid group and an ethylamino substituent, which makes it a valuable building block for dyes, pigments, and specialty chemicals. This compound is primarily needed by manufacturers in the fine chemical, pharmaceutical, and agrochemical industries for research and production purposes.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes and other colorants.
• Pharmaceutical Synthesis: Used as a building block for active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Manufacturing: Employed in the production of herbicides, fungicides, and other crop protection agents.
• Chemical Research & Development: Serves as a versatile reagent for organic synthesis and process development in R&D laboratories.
• Specialty Surfactant Production: Can be utilized to create sulfonated surfactants with specific properties.
• Photographic Chemical: Finds application in the formulation of certain photographic developers and chemicals.

Basic Information

Product Name	3-(Ethylamino)Benzenesulfonic Acid
CAS No.	618-13-3
Molecular Formula	C8H11NO3S
Molecular Weight	201.24 g/mol
Synonyms	3-(Ethylamino)benzenesulfonic acid; m-(Ethylamino)benzenesulfonic acid; Benzenesulfonic acid, 3-(ethylamino)-; N-Ethyl-m-aminobenzenesulfonic acid; 3-Ethylaminobenzenesulfonic acid; N-Ethylaniline-3-sulfonic acid; 3-Amino-N-ethylbenzenesulfonic acid
EINECS	210-548-4

Quality Control

Our 3-(Ethylamino)Benzenesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance for your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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