Description

1-Pentanethiol is a volatile, straight-chain aliphatic thiol with the molecular formula C5H12S, widely recognized by its CAS number 110-66-7. This organosulfur compound serves as a critical intermediate and functional additive, valued for its ability to introduce sulfhydryl groups and impart specific chemical properties to final products. It is essential for manufacturers and R&D teams in the chemical synthesis, polymer, and agrochemical sectors seeking reliable, high-purity raw materials.

Application

• Chemical Synthesis Intermediate: Used in the production of pharmaceuticals, pesticides, and other fine chemicals where a pentylthio group is required.
• Polymer Industry: Acts as a chain transfer agent (CTA) or modifier in radical polymerization processes to control molecular weight.
• Flavor & Fragrance Ingredient: Employed as a precursor or a component in the synthesis of sulfur-containing aroma compounds.
• Agrochemical Formulations: Serves as a key building block or intermediate in the synthesis of certain herbicides and insecticides.
• Corrosion Inhibitor: Utilized in formulations for metal surface treatment and protection due to its ability to form protective layers.
• Research & Development: A valuable reagent in organic chemistry labs for studying thiol-ene reactions and other sulfur chemistry.

Basic Information

Product Name	1-Pentanethiol
CAS No.	110-66-7
Molecular Formula	C5H12S
Molecular Weight	104.21 g/mol
Synonyms	Amyl mercaptan; n-Amyl mercaptan; Pentyl mercaptan; 1-Mercaptopentane; n-Pentanethiol; Pentan-1-thiol; NSC 8421
EINECS	203-789-1

Quality Control

Our 1-Pentanethiol is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications, including identity, assay, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Due to its highly volatile nature, containers must be kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.442 - 1.448
Density (20°C)	0.835 - 0.845 g/mL

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