Description

n-Butyl Methyl Sulfide CAS NO 628-29-5 is a specialized organosulfur compound characterized by its sulfide functional group. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, offering unique reactivity for the introduction of sulfur-containing moieties. It is primarily utilized by research and development chemists, as well as process development teams in the pharmaceutical, agrochemical, and specialty chemical industries, for applications ranging from ligand synthesis to the development of novel materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates that incorporate sulfur-based functional groups.
• Agrochemical Synthesis: Serves as a key precursor in the production of herbicides, fungicides, and other crop protection agents.
• Ligand and Catalyst Development: Employed in the creation of novel ligands for metal-catalyzed reactions and coordination chemistry.
• Flavor and Fragrance Industry: Acts as a potential intermediate for synthesizing sulfur-containing aroma compounds.
• Material Science Research: Utilized in the development of polymers, adhesives, and other advanced materials with specific properties.
• Organic Synthesis Building Block: Provides a versatile reagent for nucleophilic substitution and other reactions to construct complex molecular architectures.

Basic Information

Product Name	n-Butyl Methyl Sulfide
CAS No.	628-29-5
Molecular Formula	C5H12S
Molecular Weight	104.21 g/mol
Synonyms	1-(Methylthio)butane; Butyl Methyl Sulfide; Methyl Butyl Sulfide; 1-Methylthiobutane; Thiobutyl methyl ether; n-Butyl methyl thioether; Methyl n-butyl sulfide
EINECS	211-034-8

Quality Control

Our n-Butyl Methyl Sulfide is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, documenting all critical quality attributes. Our commitment to reliable supply and batch-to-batch consistency supports your R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain purity. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	0.84 - 0.86 g/mL
Refractive Index (n20/D)	1.450 - 1.455

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