Description

Diisopropyl Sulfite is an organosulfur compound primarily utilized as a versatile intermediate and specialty reagent in advanced chemical synthesis. Its value lies in its role as a sulfonating or sulfiting agent, enabling the introduction of sulfur-containing functional groups into target molecules. This product is essential for research and development laboratories, as well as industrial-scale production processes in the pharmaceutical and fine chemical sectors.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide and other sulfur-containing drug candidates.
• Polymer Chemistry: Acts as a modifier or chain transfer agent in the production of specialty polymers and resins.
• Lubricant & Fuel Additive Synthesis: Used in formulating extreme pressure additives and antioxidant packages for industrial lubricants and fuels.
• Chemical Research Reagent: Employed in organic synthesis laboratories for sulfite ester formation and other nucleophilic substitution reactions.
• Agrochemical Production: Serves as an intermediate in the manufacture of certain herbicides and fungicides.

Basic Information

Product Name	Diisopropyl Sulfite
CAS No.	4773-13-1
Molecular Formula	C6H14O3S
Molecular Weight	166.24 g/mol
Synonyms	Sulfurous Acid Diisopropyl Ester; Diisopropyl Sulphite; Isopropyl Sulfite; Di(propan-2-yl) Sulfite; 2-Propanol Sulfite; Sulfur Dioxide Diisopropyl Ester; Propan-2-yl Sulfite
EINECS	Contact for details

Quality Control

Our Diisopropyl Sulfite is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay by GC or HPLC and identity confirmation by FTIR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized; for long-term storage, it is recommended to keep under an inert atmosphere such as nitrogen. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.410 - 1.420
Density (20°C)	1.05 - 1.10 g/mL

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