Description

4-Isopropyl-2-Methylbenzene-1-Sulfonic Acid is a specialized aromatic sulfonic acid derivative, serving as a versatile intermediate in fine chemical synthesis. Its value lies in its strong acidic character and the steric influence of its alkyl substituents, which make it a key building block for creating complex molecules with tailored properties. This compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a sulfonic acid moiety or as a protecting group.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators where its aromatic structure contributes to biological activity.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of sulfonated azo dyes and other colorants, providing solubility and ionic character.
• Polymer Modification: Employed as a functional monomer or catalyst in polymerization reactions to introduce sulfonic acid groups for ion-exchange resins or proton-conducting membranes.
• Catalyst and Reagent: Serves as an acid catalyst in organic synthesis or as a starting material for generating other sulfonyl-based reagents.
• Research & Development: A valuable tool in medicinal chemistry and material science research for exploring new chemical entities and functional polymers.

Basic Information

Product Name	4-Isopropyl-2-Methylbenzene-1-Sulfonic Acid
CAS No.	116496-16-3
Molecular Formula	C10H14O3S
Molecular Weight	214.28 g/mol
Synonyms	2-Methyl-4-isopropylbenzenesulfonic Acid; 4-Isopropyl-o-toluenesulfonic Acid; 1-Isopropyl-3-methyl-4-sulfobenzene; p-Isopropyl-o-toluenesulfonic Acid; 4-(1-Methylethyl)-2-methylbenzenesulfonic Acid; 2-Methyl-4-(propan-2-yl)benzenesulfonic Acid; (4-Isopropyl-2-methylphenyl)sulfonic Acid
EINECS	Contact for details

Quality Control

Our 4-Isopropyl-2-Methylbenzene-1-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical 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. Keep away from strong bases and oxidizing agents.

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%
Heavy Metals (as Pb)	≤ 20 ppm

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