Description

Dioctyl Sulphite is a specialized organosulfur compound widely utilized as a versatile intermediate and additive. Its primary value lies in its role as an antioxidant and stabilizer, protecting materials from oxidative degradation. This chemical is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and performance under demanding conditions.

Application

• As an antioxidant and stabilizer in polymer and plastic formulations to prevent thermal and oxidative degradation.
• As an intermediate in the synthesis of specialty chemicals, including other sulfur-containing compounds and surfactants.
• As an additive in lubricants and greases to improve oxidation resistance and extend service life.
• As a stabilizer in synthetic oils and hydraulic fluids to maintain viscosity and prevent sludge formation.
• In research and development for creating novel materials with enhanced stability profiles.
• Potential use as a co-stabilizer in combination with primary antioxidants for synergistic effects.

Basic Information

Product Name	Dioctyl Sulphite
CAS No.	35506-89-9
Molecular Formula	C16H34O3S
Molecular Weight	306.51 g/mol
Synonyms	Di-n-octyl sulfite; Sulfurous Acid Dioctyl Ester; Dioctyl Sulfite; Bis(octyl) Sulfite; Octyl Sulfite (mixture); Sulfite de dioctyle; 1-Octanol hydrogen sulfite; Dioctyl ester of sulfurous acid
EINECS	Contact for details

Quality Control

Our Dioctyl Sulphite is produced under stringent quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including assay and purity verification, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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 material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) to maintain stability and prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 98.0%
Specific Gravity (20°C)	0.92 - 0.96
Refractive Index (20°C)	1.440 - 1.450
Water Content (KF)	≤ 0.1%

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