Description

Di-n-Propyl Sulfite is an organosulfur compound with the CAS number 623-98-3, primarily utilized as a versatile chemical intermediate and specialty solvent. Its value lies in its unique reactivity, particularly in controlled oxidation and sulfonation reactions, making it a critical component for synthesizing more complex molecules. This product is essential for manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking reliable, high-purity intermediates for their production processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Serves as a key building block in the production of herbicides, fungicides, and insecticides.
• Polymer Additive & Modifier: Acts as a stabilizer or cross-linking agent in specialty polymer formulations.
• Organic Synthesis Reagent: Employed in laboratories and industrial settings for sulfite esterification and other organic transformations.
• Specialty Solvent: Used in formulations and reactions where specific solvation properties are required.
• Lubricant & Fuel Additive Component: Incorporated into formulations to enhance performance characteristics.

Basic Information

Product Name	Di-n-Propyl Sulfite
CAS No.	623-98-3
Molecular Formula	C6H14O3S
Molecular Weight	166.24 g/mol
Synonyms	Sulfurous Acid, Di-n-Propyl Ester; Di-n-Propyl Sulphite; Dipropyl Sulfite; Propyl Sulfite; n-Propyl Sulfite; Sulfite de Dipropyle; NSC 66439
EINECS	210-820-6

Quality Control

Our Di-n-Propyl Sulfite is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Recommended storage temperature is between 15°C and 25°C. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.430
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.