Description

4-Methyltetrahydrothiophen-3-One is a versatile sulfur-containing heterocyclic compound, specifically a thiophenone derivative, valued for its unique organoleptic properties and role as a key synthetic intermediate. This compound is essential for imparting savory, meaty, and roasted flavor notes, making it a critical component in advanced flavor and fragrance formulations. It is primarily sought after by manufacturers in the flavor & fragrance, food ingredient, and pharmaceutical synthesis industries for creating authentic taste profiles and building complex molecular structures.

Application

• Flavor & Fragrance Industry: A key ingredient for creating savory, meaty, roasted, and sulfurous flavor profiles in processed foods, savory snacks, and reaction flavors.
• Food Ingredient Manufacturing: Used as a potent flavor enhancer and modifier in bouillons, gravies, soups, and meat analogs to achieve authentic cooked meat characteristics.
• Pharmaceutical Intermediates: Serves as a valuable building block in the synthesis of more complex sulfur-containing heterocycles for active pharmaceutical ingredients (APIs).
• Aroma Chemicals: Employed in the composition of specialty fragrances and aroma chemicals where sulfurous, savory notes are desired.
• Research & Development: Utilized in organic chemistry research as a starting material or intermediate for novel compound synthesis and methodological studies.

Basic Information

Product Name	4-Methyltetrahydrothiophen-3-One
CAS No.	50565-25-8
Molecular Formula	C5H8OS
Molecular Weight	116.18 g/mol
Synonyms	4-Methyl-3-oxotetrahydrothiophene; 3-Thiophenone, 4-methyltetrahydro-; 4-Methyl-tetrahydro-thiophen-3-one; 4-Methyl-3-thiophenone; Tetrahydro-4-methyl-3-thiophenone; 3-Oxo-4-methyltetrahydrothiophene; 4-Methyl-3-oxotetrahydrothiophene; 4-Methyl-δ³-tetrahydrothiophen-3-one
EINECS	Contact for details

Quality Control

Our 4-Methyltetrahydrothiophen-3-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets stringent specifications for flavor and synthetic applications. A Certificate of Analysis (COA) detailing specific results for purity, odor, and physical properties is provided with every shipment to guarantee consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Odor	Characteristic, savory, meaty
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 98.0%
Refractive Index (20°C)	1.510 - 1.520
Specific Gravity (20/20°C)	1.150 - 1.180

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