Description

2-Isopropoxyethyl 4-Methylbenzenesulfonate is a specialized organic sulfonate ester with a CAS number of 51218-98-5, valued for its role as a versatile alkylating agent and chemical intermediate. Its molecular structure, featuring both an isopropoxyethyl chain and a tosylate leaving group, makes it a critical reagent in controlled synthesis processes. This compound is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing the isopropoxyethyl moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators requiring specific ether-linked side chains.
• Polymer Modification: Acts as a functional monomer or cross-linking agent in the development of specialty polymers and resins.
• Organic Synthesis Reagent: Employed as an alkylating agent in nucleophilic substitution reactions to form ethers under mild conditions.
• Liquid Crystal & Electronic Chemicals: Intermediate in the manufacture of compounds for display materials and organic semiconductors.
• Dye & Pigment Industry: Used in the synthesis of specialized dyes and colorants.

Basic Information

Product Name	2-Isopropoxyethyl 4-Methylbenzenesulfonate
CAS No.	51218-98-5
Molecular Formula	C₁₃H₂₀O₄S
Molecular Weight	272.36 g/mol
Synonyms	2-Isopropoxyethyl p-Toluenesulfonate; 1-Isopropoxy-2-[(4-methylphenyl)sulfonyloxy]ethane; 2-Isopropoxyethyl Tosylate; p-Toluenesulfonic Acid 2-Isopropoxyethyl Ester; 4-Methylbenzenesulfonic Acid 2-(1-Methylethoxy)ethyl Ester; IPEOTS; Tosylate IPE
EINECS	Contact for details

Quality Control

Every batch of 2-Isopropoxyethyl 4-Methylbenzenesulfonate is manufactured and tested under a strict quality management system. We ensure high purity and consistency suitable for demanding synthetic applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed chromatographic data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Specific Gravity (20°C)	1.10 - 1.15

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