Description

2-Hydroxy-5-(1,1,3,3-Tetramethylbutyl)Benzenesulfonic Acid is a specialized phenolic sulfonic acid derivative, valued for its unique combination of a bulky hydrophobic alkyl group and a strongly acidic sulfonic acid functionality. This compound is a critical intermediate and functional additive in advanced chemical synthesis and material science. It is primarily utilized by manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to modify surface properties or introduce specific reactive sites.

Application

• Polymer Industry: Acts as a functional monomer or chain transfer agent in the synthesis of specialty polymers and ion-exchange resins.
• Surfactants & Detergents: Serves as a key intermediate for producing high-performance, branched alkylbenzene sulfonate surfactants with enhanced solubility and wetting properties.
• Agrochemical Formulations: Used in the synthesis of certain herbicides and pesticides, where its structure contributes to bioavailability and environmental persistence.
• Dye & Pigment Manufacturing: Functions as a coupling agent and solubilizing group in the production of azo dyes and organic pigments.
• Corrosion Inhibitors: Employed as an additive in cooling water systems and metalworking fluids due to its surface-active and acidic characteristics.
• Pharmaceutical Intermediates: Utilized in the synthetic pathways for certain active pharmaceutical ingredients (APIs) requiring sulfonated phenolic motifs.
• Catalysis & Ligand Synthesis: Provides a building block for creating specialized ligands used in metal catalysis and coordination chemistry.

Basic Information

Product Name	2-Hydroxy-5-(1,1,3,3-Tetramethylbutyl)Benzenesulfonic Acid
CAS No.	68959-11-5
Molecular Formula	C14H22O4S
Molecular Weight	286.39 g/mol
Synonyms	4-(1,1,3,3-Tetramethylbutyl)phenol-2-sulfonic acid; 5-(1,1,3,3-Tetramethylbutyl)-2-hydroxybenzenesulfonic acid; 2-Hydroxy-5-tert-octylbenzenesulfonic acid; p-tert-Octylphenol-2-sulfonic acid; Benzenesulfonic acid, 2-hydroxy-5-(1,1,3,3-tetramethylbutyl)-; tert-Octylphenolsulfonic acid; TOMSA; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 2-Hydroxy-5-(1,1,3,3-Tetramethylbutyl)Benzenesulfonic Acid adheres to a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee reliable supply chain integrity 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). This material is hygroscopic (moisture-sensitive) and a strong acid; containers must be kept tightly sealed to exclude moisture and separated from bases and reactive materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or lumps
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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