Description

Dibutyl Sulphite is a specialized organosulfur compound widely utilized as a versatile intermediate and additive in industrial synthesis. Its value lies in its ability to act as a sulfonating or sulfiting agent, facilitating key chemical transformations and offering performance benefits in formulated products. This chemical is essential for manufacturers in the pharmaceutical, agrochemical, polymer, and lubricant additive sectors seeking reliable and high-purity raw materials.

Application

• Chemical Synthesis Intermediate: Serves as a key building block in the production of specialty chemicals, including sulfonates and other organosulfur derivatives.
• Polymer Industry: Used as a stabilizer or modifying agent in the synthesis of certain polymers and plastics to enhance specific properties.
• Lubricant and Fuel Additives: Functions as an anti-wear or extreme pressure additive component in advanced lubricant formulations.
• Agrochemical Production: Employed in the synthesis of certain pesticides and herbicides where sulfur-containing moieties are required.
• Pharmaceutical Intermediates: Utilized in controlled synthesis pathways for active pharmaceutical ingredients (APIs).
• Corrosion Inhibitor Formulations: Acts as a component in specialty blends designed to protect metal surfaces.

Basic Information

Product Name	Dibutyl Sulphite
CAS No.	626-85-7
Molecular Formula	C8H18O3S
Molecular Weight	194.29 g/mol
Synonyms	Dibutyl Sulfite; Butyl Sulfite; Sulfurous Acid, Dibutyl Ester; Di-n-butyl Sulfite; Bis(butyl) Sulfite; Dibutylester Kyseliny Siřičité; NSC 60519
EINECS	210-963-3

Quality Control

Our Dibutyl Sulphite is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize moisture absorption and degradation.

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 (n20D)	1.420 - 1.430
Density (20°C)	1.00 - 1.05 g/mL

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