Description

2,4,4-Trimethyl-2-Pentanethiol CAS NO 141-59-3 is a branched-chain tertiary thiol characterized by its distinctive sulfurous odor. This compound serves as a versatile intermediate and additive, valued for its ability to act as a chain transfer agent, antioxidant, or odorant precursor in various chemical syntheses. It is primarily utilized by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to modify molecular weight or impart specific functional properties.

Application

• Polymer Industry: Acts as an effective chain transfer agent (CTA) in free-radical polymerizations to control molecular weight and polydispersity.
• Lubricant & Fuel Additives: Used as an antioxidant and anti-wear additive precursor, helping to improve the stability and performance of industrial lubricants and fuels.
• Chemical Synthesis: Serves as a key intermediate for synthesizing more complex sulfur-containing compounds, such as thiophosphates or other specialty chemicals.
• Odorant Formulation: Employed in the production of odorants for natural gas and propane due to its potent, recognizable smell at low concentrations.
• Rubber Vulcanization: Functions as a vulcanizing agent or accelerator component in the production of certain synthetic rubbers.
• Pharmaceutical Intermediates: Utilized in the research and development of active pharmaceutical ingredients (APIs) containing thiol or sulfide functional groups.

Basic Information

Product Name	2,4,4-Trimethyl-2-Pentanethiol
CAS No.	141-59-3
Molecular Formula	C8H18S
Molecular Weight	146.29 g/mol
Synonyms	Tert-Octyl Mercaptan; 2,4,4-Trimethylpentane-2-thiol; tert-Octanethiol; (CH3)3CCH2C(CH3)2SH; 2-Methyl-2-propanethiol, (1,1-dimethylethyl)dimethyl derivative; TOM; TOTM; tert-Octylthiol
EINECS	205-489-1

Quality Control

Our 2,4,4-Trimethyl-2-Pentanethiol is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 nature, keep container tightly sealed when not in use. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (20°C)	0.84 - 0.86 g/mL
Refractive Index (n20D)	1.452 - 1.456
Water Content (KF)	≤ 0.1%

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