Description

3-Thiobutanoic Acid Propyl Ester is a sulfur-containing ester compound with a distinctive organoleptic profile. 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, pharmaceutical, and fine chemical industries for creating complex sulfur notes and building specialized molecular structures.

Application

• Flavor & Fragrance Industry: Used as a key intermediate or additive to impart savory, meaty, or alliaceous notes in savory flavors and specialty fragrances.
• Pharmaceutical Synthesis: Serves as a building block or protecting group reagent in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Organic Synthesis: Acts as a versatile intermediate for introducing the thiobutanoate moiety in the production of fine chemicals, agrochemicals, and functional materials.
• Research & Development: Employed in academic and industrial R&D settings for exploring new synthetic pathways and developing novel sulfur-containing compounds.

Basic Information

Product Name	3-Thiobutanoic Acid Propyl Ester
CAS No.	18457-87-9
Molecular Formula	C7H14O2S
Molecular Weight	162.25 g/mol
Synonyms	Propyl 3-Mercaptobutanoate; Propyl 3-Mercaptobutyrate; 3-Mercaptobutanoic Acid Propyl Ester; 3-Mercaptobutyric Acid Propyl Ester; Butanoic acid, 3-mercapto-, propyl ester; NSC 163081
EINECS	Contact for details

Quality Control

Our 3-Thiobutanoic Acid Propyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area. Recommended storage temperature is 2-8°C for extended stability. Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (20°C)	1.460 - 1.470
Specific Gravity (20°C)	1.000 - 1.050

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