Description

Octadecyl Methyl Sulfoxide is a high-purity organosulfur compound with a long alkyl chain, offering unique surfactant and solvent properties. This specialty chemical is valued for its ability to modify surface interactions and act as a versatile intermediate in advanced synthesis. It serves as a critical component for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors seeking reliable, high-quality raw materials.

Application

• As a phase-transfer catalyst in organic synthesis reactions.
• As a specialty surfactant or emulsifier in formulations requiring specific polarity characteristics.
• As a key intermediate in the synthesis of more complex sulfoxide or sulfone derivatives.
• In pharmaceutical research for drug discovery and development processes.
• As a solvent or co-solvent for specialized chemical processing.
• In agrochemical formulations to enhance the efficacy or stability of active ingredients.
• For material science applications, including polymer modification and surface treatment.

Basic Information

Product Name	Octadecyl Methyl Sulfoxide
CAS No.	3079-33-2
Molecular Formula	C₁₉H₄₀OS
Molecular Weight	316.59 g/mol
Synonyms	Stearyl Methyl Sulfoxide; 1-(Methylsulfinyl)octadecane; Methyl Octadecyl Sulfoxide; n-Octadecyl Methyl Sulfoxide; C18 Sulfoxide; Methyl Stearyl Sulfoxide; Octadecylmethylsulfoxide
EINECS	221-371-7

Quality Control

Our Octadecyl Methyl Sulfoxide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) documenting key parameters is provided with each shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details

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