Description

3-(n-Butylsulphanyl)Propionic Acid is a specialized organosulfur compound featuring a propionic acid backbone with a butylthio side chain. This unique structure makes it a valuable intermediate for synthesizing functional materials, particularly in the polymer and lubricant additive industries. It is primarily sought by R&D chemists and production engineers in the specialty chemicals, advanced materials, and pharmaceutical sectors for its role in creating novel thioether linkages and modifying surface properties.

Application

• Polymer Modification: Acts as a chain transfer agent or functional monomer to introduce sulfur-containing groups into polymers, altering their flexibility, adhesion, or thermal stability.
• Lubricant & Fuel Additive Synthesis: Serves as a key precursor for manufacturing extreme pressure (EP) additives and anti-wear agents that protect metal surfaces under high stress.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) where the thioether moiety is a critical pharmacophore.
• Surface Active Agents: Employed in the synthesis of specialty surfactants and coatings for unique wetting or dispersion properties.
• Chemical Synthesis Building Block: Provides a versatile handle for organic synthesis, useful in nucleophilic substitution reactions and the creation of complex sulfur-based molecules.
• Crosslinking Agent: Utilized in the formulation of certain elastomers and resins where sulfur bridges enhance material strength and durability.

Basic Information

Product Name	3-(n-Butylsulphanyl)Propionic Acid
CAS No.	22002-73-9
Molecular Formula	C7H14O2S
Molecular Weight	162.25 g/mol
Synonyms	3-(Butylthio)propanoic Acid; 3-Butylsulfanylpropionic Acid; Butyl 3-Mercaptopropionate (related ester); NSC 163063; 3-(Butylthio)propionic Acid; β-(Butylthio)propionic Acid; Propanoic acid, 3-(butylthio)-; 3-(n-Butylthio)propionic Acid
EINECS	244-698-5

Quality Control

Our 3-(n-Butylsulphanyl)Propionic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting critical parameters such as assay and impurity profiles. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. For long-term storage, consider using an inert atmosphere to minimize potential oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.470 - 1.480
Density (20°C)	1.02 - 1.08 g/mL

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