Description

Toluene-4-Sulfonic Acid 2-tert-Butoxy Ethyl Ester is a specialized organic sulfonate ester, valued for its role as a versatile intermediate and protecting group reagent in advanced organic synthesis. This compound matters for its ability to introduce the tert-butoxyethyl moiety, a useful protecting group for alcohols and other functional groups, under controlled conditions. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly where alcohol protection is required.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides that incorporate ether or sulfonate functionalities.
• Fine Chemical Manufacturing: Serves as a reagent for introducing the 2-tert-butoxyethyl group in custom synthesis and specialty chemical production.
• Polymer Chemistry: Can be utilized as a monomer or modifying agent in the synthesis of specialty polymers and resins.
• Research & Development: A valuable tool in academic and industrial labs for methodological development and exploring new synthetic pathways.
• Dye and Pigment Industry: Potential intermediate in the synthesis of specialized dyes and colorants.

Basic Information

Product Name	Toluene-4-Sulfonic Acid 2-tert-Butoxy Ethyl Ester
CAS No.	108366-80-9
Molecular Formula	C₁₃H₂₀O₄S
Molecular Weight	272.36 g/mol
Synonyms	2-(tert-Butoxy)ethyl p-toluenesulfonate; 2-tert-Butoxyethyl Tosylate; 2-tert-Butoxyethyl 4-Methylbenzenesulfonate; p-Toluenesulfonic Acid 2-tert-Butoxyethyl Ester; 4-Methylbenzenesulfonic Acid 2-(1,1-Dimethylethoxy)ethyl Ester; TBET; Tosyl 2-tert-butoxyethyl ester; (2-tert-Butoxyethoxy)(4-methylphenyl)sulfone (common name)
EINECS	Contact for details

Quality Control

Our Toluene-4-Sulfonic Acid 2-tert-Butoxy Ethyl Ester is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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