Description

3-Methylbutanethioic Acid S-Propyl Ester is a specialized organosulfur compound with a distinctive thioester functional group. This chemical is valued for its role as a versatile intermediate and flavor/fragrance component in high-value synthesis. It is primarily sought by manufacturers in the flavor & fragrance, agrochemical, and pharmaceutical industries for creating complex sulfur-containing molecules.

Application

• Flavor and Fragrance Ingredient: Used as a key intermediate or building block in the synthesis of complex sulfur-based flavor compounds, contributing to savory, roasted, or meaty notes.
• Agrochemical Intermediate: Serves as a precursor in the production of certain pesticides, herbicides, and fungicides where the thioester moiety is integral to biological activity.
• Pharmaceutical Synthesis: Acts as a specialized reagent or intermediate in the research and development of active pharmaceutical ingredients (APIs), particularly those containing sulfur.
• Organic Synthesis Reagent: Employed in academic and industrial research laboratories for constructing complex organic molecules, leveraging the reactivity of the thioester group.
• Polymer Additive Precursor: Can be utilized in the synthesis of specialty chemicals used as modifiers or additives in polymer formulations.

Basic Information

Product Name	3-Methylbutanethioic Acid S-Propyl Ester
CAS No.	2432-58-8
Molecular Formula	C8H16OS
Molecular Weight	160.28 g/mol
Synonyms	S-Propyl 3-methylbutanethioate; Propyl 3-methylbutanethioate; 3-Methylbutanethioic acid propyl ester; Isovaleric acid, S-propyl ester; Isovaleric acid thio-S-propyl ester; Isovaleric acid, thio-, S-propyl ester; Propyl isovalerate thioester; Isovalerothioic acid S-propyl ester
EINECS	219-401-5

Quality Control

Our production of 3-Methylbutanethioic Acid S-Propyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, specific impurities, and physical properties is provided with every shipment to support your quality assurance and regulatory compliance needs.

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.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.450 - 1.460
Specific Gravity (20/4°C)	0.910 - 0.930

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