Description

Thiobutyric Acid S-sec-Butyl Ester is a specialized organosulfur compound, specifically a thioester, with the CAS registry number 2432-52-2. This chemical serves as a versatile intermediate and building block in advanced organic synthesis, valued for its ability to introduce sulfur-containing functional groups. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thioester or sulfide linkages.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides where the thiobutyrate moiety is integral.
• Flavor & Fragrance Industry: Acts as a precursor for sulfur-containing flavor compounds that impart meaty, roasted, or savory notes.
• Polymer Chemistry: Employed as a chain-transfer agent or modifier in the synthesis of specialty polymers and resins.
• Organic Synthesis Reagent: A valuable reagent in academic and industrial laboratories for nucleophilic acyl substitution reactions and other sulfur-based transformations.
• Lubricant & Fuel Additive Precursor: Intermediate in the development of extreme-pressure additives and anti-wear agents.

Basic Information

Product Name	Thiobutyric Acid S-sec-Butyl Ester
CAS No.	2432-52-2
Molecular Formula	C8H16OS
Molecular Weight	160.28 g/mol
Synonyms	S-sec-Butyl Thiobutyrate; Butanethioic Acid, S-(1-Methylpropyl) Ester; sec-Butyl Butanethioate; 2-Butyl Thiobutyrate; Butyric Acid S-sec-Butyl Ester Thioester; Thiobutanoic Acid S-sec-Butyl Ester; 2432-52-2; NSC 163049
EINECS	219-404-6

Quality Control

Every batch of Thiobutyric Acid S-sec-Butyl Ester is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the precise requirements for research and industrial synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied 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). Keep away from strong oxidizing agents, strong bases, and sources of ignition. Due to its organosulfur nature, it is recommended to store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.450 - 1.460
Density (20°C)	0.90 - 0.95 g/mL
Related Substances (GC)	Total impurities ≤ 3.0%

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