Description

2-(Ethylamino)Toluene-4-Sulphonic Acid is an important organic intermediate and sulfonic acid derivative. This compound matters for its role as a key building block in the synthesis of various dyes, pigments, and specialty chemicals. It is primarily needed by manufacturers in the dye and pigment industry, as well as by research and development laboratories for fine chemical synthesis.

Application

• Primary intermediate in the manufacture of azo dyes and pigments.
• Used in the synthesis of optical brightening agents (fluorescent whitening agents).
• Building block for specialty surfactants and dispersants.
• Key raw material in the production of liquid crystal compounds.
• Intermediate for pharmaceutical and agrochemical active ingredients.
• Used in research and development for novel organic synthesis.

Basic Information

Product Name	2-(Ethylamino)Toluene-4-Sulphonic Acid
CAS No.	98-40-8
Molecular Formula	C9H13NO3S
Molecular Weight	215.27 g/mol
Synonyms	4-Amino-3-ethylbenzenesulfonic Acid; 3-Ethyl-4-aminobenzenesulfonic Acid; 2-Amino-5-ethylbenzenesulfonic Acid; 5-Ethyl-2-aminobenzenesulfonic Acid; N-Ethyl-m-toluidine-4-sulfonic Acid; 2-(Ethylamino)toluene-4-sulfonic acid; 98-40-8; EINECS 202-667-8
EINECS	202-667-8

Quality Control

Our 2-(Ethylamino)Toluene-4-Sulphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your specifications.

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). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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