Description

3-Methyl-2-Butanethiol is a specialized organosulfur compound valued for its potent, distinctive odor profile. This high-purity intermediate is critical for applications requiring precise sulfur-based functionalization or specific olfactory characteristics. It serves as a key building block in the synthesis of flavor and fragrance ingredients, agrochemicals, and advanced materials for the chemical industry.

Application

• Flavor & Fragrance Industry: A key intermediate in the synthesis of complex sulfur-containing aroma chemicals for food flavorings and fine perfumery.
• Agrochemical Synthesis: Used as a precursor in the manufacturing of certain pesticides and herbicides where the thiol moiety is integral to biological activity.
• Chemical Research & Development: Serves as a versatile reagent for introducing the tert-butylthio group in organic synthesis and pharmaceutical research.
• Gas Odorant Formulation: Employed as a component in odorant blends for natural gas and propane due to its highly detectable, sulfurous scent for safety leak detection.
• Polymer & Material Science: Acts as a chain-transfer agent or modifier in the production of specialty polymers and rubber chemicals.

Basic Information

Product Name	3-Methyl-2-Butanethiol
CAS No.	2084-18-6
Molecular Formula	C5H12S
Molecular Weight	104.21 g/mol
Synonyms	tert-Butyl Mercaptan; 2-Methyl-2-butanethiol; t-Butylthiol; 2,2-Dimethyl-1-propanethiol; tert-C4H9SH; TBM; 1,1-Dimethyl-1-propanethiol
EINECS	218-222-6

Quality Control

Our 3-Methyl-2-Butanethiol is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets exacting specifications. A Certificate of Analysis (COA) detailing all relevant parameters is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation of quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.422 - 1.426
Specific Gravity (20/20°C)	0.795 - 0.805

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