Description

Glycol Sulfite is a versatile organosulfur compound primarily used as a key intermediate and specialty solvent in advanced chemical synthesis. Its value lies in its unique reactivity, which facilitates critical transformations in the production of pharmaceuticals, agrochemicals, and high-performance materials. This chemical is essential for R&D laboratories and manufacturing facilities in the pharmaceutical, polymer, and fine chemical industries seeking reliable, high-purity intermediates.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfur-containing drug molecules.
• Polymer Chemistry: Used as a modifying agent and cross-linking precursor in the production of specialty polymers and resins.
• Agrochemical Synthesis: Serves as an intermediate in the manufacture of certain herbicides, fungicides, and insecticides.
• Electrolyte Additive: Investigated for use as a stabilizing additive in lithium-ion battery electrolytes to improve performance and lifespan.
• Chemical Research: Employed as a reagent in organic synthesis for sulfonation and sulfite ester formation reactions.
• Fine Chemical Production: Acts as a solvent and reaction medium for sensitive synthesis where controlled reactivity is required.

Basic Information

Product Name	Glycol Sulfite
CAS No.	3741-38-6
Molecular Formula	C2H4O3S
Molecular Weight	108.11 g/mol
Synonyms	Ethylene Sulfite; 1,3,2-Dioxathiolane 2-Oxide; 2-Oxo-1,3,2-dioxathiolane; Glycol Sulfite Ester; Ethylene Glycol Sulfite; Sulfurous Acid Cyclic Ethylene Ester; 1,2-Ethanediol Cyclic Sulfite
EINECS	223-128-7

Quality Control

Our Glycol Sulfite is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support our customers' regulatory needs for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.435 - 1.445
Density (20°C)	1.40 - 1.45 g/mL

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