Description

Methylfurfurylthiol,5-Methyl-2-Furfurylthiol CAS NO 59303-05-8 is a high-impact sulfur-containing flavor and fragrance compound. This specialty chemical is valued for its potent, roasted, and meaty aroma profile, making it a critical ingredient for creating authentic savory and roasted notes. It is essential for flavorists and fragrance chemists in the food, beverage, and fine fragrance industries seeking to develop complex, high-quality sensory experiences.

Application

• Savory Flavor Creation: A key component in meat, poultry, seafood, and savory snack flavorings, imparting roasted and cooked character.
• Beverage Flavoring: Used in coffee, cocoa, and nut-based flavor systems to enhance roasted and rich notes.
• Fine Fragrance & Perfumery: Employed as a trace ingredient to add unique roasted, coffee-like, or smoky nuances to sophisticated fragrance compositions.
• Process Flavor Development: Integral in the production of reaction flavors (e.g., Maillard reaction flavors) for soups, sauces, and gravies.
• Functional Food & Pet Food Flavors: Enhances the palatability and aroma of nutritional products and pet food.

Basic Information

Product Name	Methylfurfurylthiol,5-Methyl-2-Furfurylthiol
CAS No.	59303-05-8
Molecular Formula	C6H8OS
Molecular Weight	128.19 g/mol
Synonyms	5-Methyl-2-furfuryl mercaptan; 2-Furfurylthiol, 5-methyl-; 5-Methylfurfuryl mercaptan; Coffee Mercaptan; 2-(Mercaptomethyl)-5-methylfuran; 5-Methyl-2-furanmethanethiol; Roasted coffee thiol; FEMA 3187
EINECS	261-680-7

Quality Control

Our Methylfurfurylthiol is produced and tested to meet the stringent requirements of flavor and fragrance applications. Quality is assured through rigorous analytical protocols including GC, GC-MS, and organoleptic evaluation to ensure purity, identity, and sensory profile consistency. Certificates of Analysis (COA) confirming compliance with FEMA GRAS and relevant food safety standards are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) in a cool, dry, and well-ventilated area at 2-8°C to minimize oxidation and volatility. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.520 - 1.530
Specific Gravity (20/20°C)	1.090 - 1.110
Odor	Characteristic strong, roasted coffee, meaty

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