Description

3-Ethoxypropyl 4-Methylbenzenesulfonate is a specialized organic sulfonate ester, a valuable chemical intermediate in advanced synthesis. This compound matters for its role as a versatile building block, enabling the introduction of the 3-ethoxypropyl moiety into target molecules under controlled conditions. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing functionalized alkyl chains.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators requiring specific ether-linked side chains.
• Liquid Crystal & OLED Material Precursor: Serves as an intermediate in the manufacture of specialty chemicals for electronic displays and organic light-emitting diodes.
• Polymer Modification Agent: Employed to functionalize polymers or as a monomer in the creation of specialty polymers with tailored properties.
• Cross-coupling Reactions: Acts as an alkylating agent in palladium-catalyzed and other metal-mediated cross-coupling reactions for C-C bond formation.
• Organic Synthesis Reagent: A versatile reagent in academic and industrial laboratories for nucleophilic substitution and etherification reactions.

Basic Information

Product Name	3-Ethoxypropyl 4-Methylbenzenesulfonate
CAS No.	91766-05-1
Molecular Formula	C₁₂H₁₈O₄S
Molecular Weight	258.33 g/mol
Synonyms	3-Ethoxypropyl p-Toluenesulfonate; p-Toluenesulfonic Acid 3-Ethoxypropyl Ester; 4-Methylbenzenesulfonic Acid 3-Ethoxypropyl Ester; 3-Ethoxypropyl Tosylate; 1-Ethoxy-3-[(4-methylphenyl)sulfonyl]oxypropane; 3-Ethoxypropyl-1-p-toluenesulfonate; β-Ethoxypropyl p-Toluenesulfonate; Tosic Acid 3-Ethoxypropyl Ester
EINECS	Contact for details

Quality Control

Our 3-Ethoxypropyl 4-Methylbenzenesulfonate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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