Description

1,2-Ethanediol, Dibenzenesulfonate is a high-purity chemical intermediate of significant commercial importance. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly in the pharmaceutical and specialty chemical sectors. It is primarily sought by R&D laboratories and production facilities engaged in the development of active pharmaceutical ingredients (APIs), liquid crystal materials, and advanced polymers.

Application

• Pharmaceutical Intermediate: A key starting material or protecting group reagent in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Liquid Crystal Manufacturing: Serves as a crucial precursor in the production of monomers and intermediates for high-performance liquid crystal displays (LCDs).
• Polymer Chemistry: Used as a cross-linking agent or monomer in the synthesis of specialized polymers, resins, and advanced materials with tailored properties.
• Organic Synthesis: Employed in research and development as a benzenesulfonate ester for alkylation and functional group transformation reactions.
• Agrochemical Synthesis: Acts as an intermediate in the production of certain herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Industry: Utilized in the synthesis of specific colorants and photoactive compounds.

Basic Information

Product Name	1,2-Ethanediol, Dibenzenesulfonate
CAS No.	116-50-7
Molecular Formula	C14H14O6S2
Molecular Weight	342.38 g/mol
Synonyms	Ethylene Glycol Dibenzenesulfonate; 1,2-Bis(benzenesulfonyloxy)ethane; Ethanediol-1,2-diyl dibenzenesulfonate; Ethylene Dibenzenesulfonate; Glycol Dibenzenesulfonate; NSC 403697; Bis(phenylsulfonyloxy)ethane; 1,2-Ethanediol bis(benzenesulfonate)
EINECS	204-144-7

Quality Control

Our 1,2-Ethanediol, Dibenzenesulfonate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and impurity profiles. We support compliance with cGMP and ISO 9001 standards for pharmaceutical and industrial customers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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