Description

(±)-2-Butanethiol CAS NO 91840-99-2 is a volatile organosulfur compound characterized by its distinctive, powerful odor. This chemical serves as a versatile intermediate and additive, valued for its ability to introduce sulfur-containing functional groups into more complex molecules. It is primarily utilized by manufacturers in the agrochemical, pharmaceutical, and specialty chemical sectors for applications ranging from synthesis to odorant formulation.

Application

• Chemical Synthesis Intermediate: A key building block in the production of more complex sulfur-containing compounds for pharmaceuticals and agrochemicals.
• Agrochemical Manufacturing: Used in the synthesis of certain pesticides, herbicides, and fungicides where the thiol group is integral to biological activity.
• Flavor and Fragrance Industry: Employed as a component in trace amounts to create specific savory or sulfurous notes in aroma compositions, though handling requires extreme care due to its potency.
• Polymer and Rubber Additive: Acts as a chain-transfer agent or modifier in certain polymerization processes.
• Research and Development: Serves as a standard or reagent in organic chemistry research for studying thiol reactivity and catalysis.
• Gas Odorant: Can be used in minute quantities as a stenching agent for safety in otherwise odorless fuel gases.

Basic Information

Product Name	(±)-2-Butanethiol
CAS No.	91840-99-2
Molecular Formula	C4H10S
Molecular Weight	90.19 g/mol
Synonyms	sec-Butyl mercaptan; 2-Butanethiol; (±)-sec-Butyl mercaptan; 1-Methyl-1-propanethiol; 2-Mercaptobutane; Butane-2-thiol; sec-Butanethiol; 2-Thiabutane
EINECS	Contact for details

Quality Control

Our (±)-2-Butanethiol is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for assay and impurity profiles is provided with every shipment to guarantee it meets your technical requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.83 - 0.85
Refractive Index (n20D)	1.438 - 1.442

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