Description

Benzenesulfonic Acid, 5-Ethoxy-2-Methyl- (9Ci) is a specialized organic sulfonic acid derivative, serving as a versatile intermediate in advanced chemical synthesis. Its unique structure, featuring both ethoxy and methyl substituents, provides valuable reactivity for constructing complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors, where it is used to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating specialized dyes and colorants.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers for enhanced properties like ion exchange capacity.
• Chemical Research & Development: A valuable reagent for organic synthesis and process development in R&D laboratories.
• Catalyst and Ligand Preparation: Used in the design and synthesis of specialized catalysts and ligands for industrial processes.

Basic Information

Product Name	Benzenesulfonic Acid, 5-Ethoxy-2-Methyl- (9Ci)
CAS No.	748715-83-5
Molecular Formula	C9H12O4S
Molecular Weight	216.26 g/mol
Synonyms	5-Ethoxy-2-methylbenzenesulfonic Acid; 2-Methyl-5-ethoxybenzenesulfonic Acid; 1-Ethoxy-4-methyl-3-sulfobenzene; 3-Ethoxy-6-methylbenzenesulfonic Acid; 748715-83-5; Benzenesulfonic acid, 5-ethoxy-2-methyl-; (5-Ethoxy-2-methylphenyl)sulfonic acid
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonic Acid, 5-Ethoxy-2-Methyl- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical quality attributes are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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