Description

Sulfurous Acid Bis(2-Propynyl) Ester is a specialized organosulfur compound featuring propargyl functional groups. This chemical is valued for its role as a versatile synthetic intermediate and cross-linking agent in advanced material science. It is primarily sought by research and development teams in the polymer, pharmaceutical, and specialty chemical industries for creating novel polymers, adhesives, and bioactive molecules.

Application

• Polymer Chemistry: Acts as a key monomer or cross-linking agent in the synthesis of specialty polymers, resins, and high-performance adhesives.
• Pharmaceutical Intermediates: Serves as a building block in the research and development of novel drug candidates and active pharmaceutical ingredients (APIs).
• Material Science: Used in the development of advanced coatings, composites, and materials requiring specific thermal or mechanical properties.
• Organic Synthesis: Employed as a reagent in various organic transformations, including cycloadditions and the introduction of propargyl groups.
• Chemical Research: Utilized in academic and industrial R&D for exploring new synthetic pathways and catalytic processes.

Basic Information

Product Name	Sulfurous Acid Bis(2-Propynyl) Ester
CAS No.	1899-25-8
Molecular Formula	C6H6O2S
Molecular Weight	142.18 g/mol
Synonyms	Bis(2-Propynyl) Sulfite; Propargyl Sulfite; 2-Propynyl Sulfite; Sulfurous Acid Dipropargyl Ester; Dipropargyl Sulfite; Sulfur Dioxide Dipropargyl Ester; 1-Propyn-3-yl Sulfite; (Prop-2-yn-1-yloxy)sulfinyloxyprop-2-yne
EINECS	217-590-1

Quality Control

Our production of Sulfurous Acid Bis(2-Propynyl) Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 8°C to maintain stability. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Report and control individual unspecified impurities

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