Description

Diethylene Glycol Bis(p-Toluenesulfonate) is a versatile chemical intermediate and protecting group reagent. This compound is valued for its role as a bifunctional alkylating agent, enabling the synthesis of complex molecules and polymers. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to create cyclic ethers, crown ethers, and other advanced materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating macrocyclic and heterocyclic structures.
• Polymer Chemistry: Used as a cross-linking agent or monomer in the production of specialty polymers, resins, and engineering plastics.
• Agrochemical Synthesis: Serves as an intermediate in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Crown Ether & Cryptand Production: A crucial precursor for synthesizing crown ethers, cryptands, and other supramolecular host molecules used in catalysis and separation science.
• Chemical Research & Development: Employed in organic synthesis laboratories as a protecting group reagent for diols or as a linker molecule.
• Material Science: Utilized in the development of advanced materials, including liquid crystals and functional coatings.

Basic Information

Product Name	Diethylene Glycol Bis(p-Toluenesulfonate)
CAS No.	7460-82-4
Molecular Formula	C18H22O7S2
Molecular Weight	414.49 g/mol
Synonyms	Diethylene glycol ditosylate; Bis(p-toluenesulfonate) of diethylene glycol; Diethylene glycol di-p-toluenesulfonate; 2,2'-Oxybis(ethyl p-toluenesulfonate); 2,2'-[Oxybis(ethane-2,1-diyl)] bis(4-methylbenzenesulfonate); Ditosyl diethylene glycol; p-Toluenesulfonic acid diethylene glycol ester; DEGDTs
EINECS	231-254-8

Quality Control

Our Diethylene Glycol Bis(p-Toluenesulfonate) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. 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, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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