Description

Pseudocumene-5-Sulfonic Acid CAS NO 3453-84-7 is a specialized aromatic sulfonic acid derivative, valued for its strong acidity and utility as a versatile intermediate in organic synthesis. Its molecular structure makes it an effective catalyst and building block for creating more complex chemical architectures. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-purity sulfonation agents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals.
• Catalyst: Used as an acid catalyst in various organic reactions, including esterification and alkylation.
• Dye and Pigment Manufacturing: Intermediate in the production of sulfonated dyes and colorants.
• Agrochemical Synthesis: Precursor for manufacturing certain herbicides and plant protection agents.
• Surfactant and Detergent Intermediate: Serves as a starting material for producing specialized anionic surfactants.
• Polymer Modification: Used to introduce sulfonic acid groups into polymers for ion-exchange resins or functional materials.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new synthetic pathways.

Basic Information

Product Name	Pseudocumene-5-Sulfonic Acid
CAS No.	3453-84-7
Molecular Formula	C9H12O3S
Molecular Weight	200.26 g/mol
Synonyms	5-Isopropylbenzenesulfonic Acid; 1-Isopropyl-4-sulfobenzene; 4-Isopropylbenzenesulfonic Acid; Pseudocumenesulfonic Acid; (4-Isopropylphenyl)sulfonic Acid; Cumene-4-sulfonic Acid; NSC 403754
EINECS	222-389-1

Quality Control

Our Pseudocumene-5-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profile, and identity confirmation, to ensure it meets exacting standards for purity and consistency. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

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 hygroscopic (moisture-sensitive) and a strong acid/organic solvent; ensure the container is kept tightly sealed to exclude moisture and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%

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