Description

Propyl Disulfide is an organic sulfur compound characterized by its disulfide (-S-S-) functional group. This structure makes it a valuable intermediate and precursor in the synthesis of more complex organosulfur chemicals and flavor/fragrance compounds. It is primarily utilized by industries focused on fine chemical synthesis, flavor and fragrance manufacturing, and materials science research. The compound is supplied to meet the stringent quality requirements of these professional applications.

Application

• Flavor and Fragrance Intermediate: Used as a building block in the synthesis of sulfur-containing flavor compounds, such as those found in garlic, onion, and meat flavorings.
• Fine Chemical Synthesis: Serves as a key intermediate in the production of pharmaceuticals, agrochemicals, and other specialty organic compounds.
• Research & Development: Employed in academic and industrial R&D laboratories for studying organosulfur chemistry, reaction mechanisms, and material properties.
• Polymer Modification: Can be used as a cross-linking agent or modifier in the development of specialty polymers and rubbers.
• Catalyst and Ligand Preparation: Acts as a precursor for ligands or catalysts used in various metal-catalyzed organic transformations.

Basic Information

Product Name	Propyl Disulfide
CAS No.	629-19-6
Molecular Formula	C6H14S2
Molecular Weight	150.31 g/mol
Synonyms	Dipropyl Disulfide; n-Propyl Disulfide; 1,1'-Dithiodipropane; NSC 66435; Propyl Disulphide; Bis(propyl) Disulfide; Disulfide, dipropyl
EINECS	211-079-8

Quality Control

Our Propyl Disulfide is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for all critical parameters are available upon request and provide full traceability.

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 and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep container tightly sealed when not in use to prevent evaporation and oxidation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (n20D)	1.498 - 1.502
Density (g/mL, 20°C)	0.950 - 0.960
Related Substances (GC)	Report and comply with agreed limits

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