Description

Butyl 3-(Methylthio)Propanoate is a sulfur-containing ester with a distinctive organoleptic profile, widely recognized by its CAS number 54732-83-1. This compound is valued for its ability to impart savory, meaty, and roasted flavor notes, making it a critical component in flavor and fragrance creation. It is an essential ingredient for flavorists and product developers in the food, beverage, and fragrance industries seeking to enhance savory profiles and create complex, authentic taste experiences.

Application

• Flavor & Fragrance Industry: A key ingredient in creating savory, meaty, roasted, and onion-like flavor profiles for processed foods, snacks, sauces, and savory seasonings.
• Food & Beverage Manufacturing: Used to enhance and standardize the flavor of meat analogs, bouillons, soups, gravies, and ready-to-eat meals.
• Aroma Chemicals: Serves as a building block or modifier in fine fragrance compositions and functional perfumery for household and personal care products.
• Chemical Synthesis: Acts as a versatile intermediate or starting material in organic synthesis for pharmaceuticals and agrochemicals.
• Research & Development: Utilized in analytical laboratories and R&D centers as a reference standard and for developing new flavor systems.

Basic Information

Product Name	Butyl 3-(Methylthio)Propanoate
CAS No.	54732-83-1
Molecular Formula	C8H16O2S
Molecular Weight	176.28 g/mol
Synonyms	Butyl 3-(Methylmercapto)propionate; 3-(Methylthio)propionic Acid Butyl Ester; Butyl Methylmercaptopropionate; Butyl β-(Methylthio)propionate; FEMA 4053; Propanoic acid, 3-(methylthio)-, butyl ester; Butyl 3-(Methylsulfanyl)propanoate
EINECS	259-341-1

Quality Control

Our Butyl 3-(Methylthio)Propanoate is manufactured and tested to meet stringent quality standards suitable for flavor and fragrance applications. We ensure compliance with relevant industry guidelines, including FEMA GRAS status where applicable. Every batch is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and organoleptic properties, guaranteeing consistency and reliability for your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) when in partially used containers to maintain stability and prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.460 - 1.470
Specific Gravity (20/20°C)	0.980 - 1.010
Odor	Characteristic savory, meaty

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