Description

Ethylnaphthalenesulphonic Acid is a specialized organic sulfonic acid derivative, valued for its strong acidic properties and utility as a versatile chemical intermediate. Its molecular structure makes it particularly effective in synthesis and formulation processes where controlled acidity and surfactant-like behavior are required. This compound is essential for manufacturers in the chemical synthesis, dye, and specialty surfactant industries seeking reliable, high-purity intermediates.

Application

• Key intermediate in the synthesis of dyes, pigments, and optical brighteners.
• Acid catalyst in organic synthesis and esterification reactions.
• Raw material for producing specialized surfactants and dispersing agents.
• Component in electroplating baths and metal surface treatment formulations.
• Intermediate for pharmaceutical and agrochemical active ingredients.
• Used in the production of ion-exchange resins and polymeric materials.
• Acidifying agent in specific industrial cleaning and processing applications.

Basic Information

Product Name	Ethylnaphthalenesulphonic Acid
CAS No.	76214-58-9
Molecular Formula	C₁₂H₁₂O₃S
Molecular Weight	236.29 g/mol
Synonyms	2-Ethylnaphthalene-1-sulfonic Acid; 1-Ethylnaphthalene-2-sulfonic Acid; Ethylnaphthalenesulfonic Acid; Ethylnaphthalene Sulfonic Acid; ENSA; NSC 403796
EINECS	Contact for details

Quality Control

Our Ethylnaphthalenesulphonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical specifications, supporting compliance with relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. The product is a strong acid/organic solvent; handle with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	Off-white to light brown solid or viscous liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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