Description

Sulfurous Acid, Butyl 2-Chloro-2-Propenyl Ester is a specialized organosulfur compound that serves as a versatile chemical intermediate and functional monomer. Its molecular structure, featuring both a sulfurous acid ester group and a reactive chloroalkenyl moiety, makes it valuable for introducing specific functional groups into polymer chains and fine chemical syntheses. This compound is primarily utilized by industrial chemists and R&D professionals in the polymer, agrochemical, and specialty chemical sectors for applications requiring tailored reactivity and performance.

Application

• Polymer Modification: Acts as a functional monomer or cross-linking agent in the synthesis of specialty polymers, including adhesives, coatings, and elastomers, to impart specific chemical resistance or adhesion properties.
• Chemical Intermediate: Serves as a key building block in the multi-step synthesis of complex agrochemicals, such as herbicides and fungicides.
• Surface Active Agents: Used in the formulation of specialty surfactants and leveling agents for industrial cleaning and coating processes.
• Pharmaceutical Synthesis: Employed as a protected intermediate or reagent in the research and development of active pharmaceutical ingredients (APIs).
• Lubricant & Fuel Additives: A potential precursor for additives designed to improve anti-wear, extreme pressure, or antioxidant properties in industrial lubricants and functional fluids.

Basic Information

Product Name	Sulfurous Acid, Butyl 2-Chloro-2-Propenyl Ester
CAS No.	74039-49-9
Molecular Formula	C7H13ClO2S
Molecular Weight	196.69 g/mol
Synonyms	Butyl 2-chloro-2-propenyl sulfite; 2-Chloro-2-propen-1-ol butyl sulfite; 2-Chloroallyl butyl sulfite; Butyl (2-chloroallyl) sulfite; 1-Butyl 2-(2-chloro-2-propenyl) sulfite; Sulfurous acid, butyl 2-chloro-2-propen-1-yl ester; 2-Propen-1-ol, 2-chloro-, butyl sulfite
EINECS	Contact for details

Quality Control

Our production of Sulfurous Acid, Butyl 2-Chloro-2-Propenyl Ester adheres to stringent internal quality protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced chromatographic and spectroscopic techniques to verify identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full transparency and supporting your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.15 g/cm³

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