Description

1-Heptanethiol is a versatile, high-purity aliphatic thiol characterized by its distinctive, powerful odor. This compound serves as a critical intermediate and functional additive in advanced chemical synthesis and material science. It is essential for industries requiring precise sulfur chemistry, including polymer modification, lubricant formulation, and the production of specialty chemicals.

Application

• Polymer Chemistry: Acts as a chain transfer agent (CTA) in radical polymerizations to control molecular weight and as a surface modifier for polymers and nanoparticles.
• Lubricant & Fuel Additives: Functions as an extreme pressure (EP) additive and anti-wear agent in industrial lubricants and metalworking fluids.
• Organic Synthesis: A valuable building block for synthesizing more complex sulfur-containing compounds, such as pharmaceuticals, agrochemicals, and ligands for catalysis.
• Flavor & Fragrance Industry: Used in trace amounts as a precursor or modifier for creating specific sulfurous notes in advanced fragrance compositions.
• Surface Treatment: Employed in the formation of self-assembled monolayers (SAMs) on gold and other metal surfaces for research and sensor development.
• Rubber Industry: Serves as a peptizing agent and vulcanization modifier in the production of synthetic rubbers.

Basic Information

Product Name	1-Heptanethiol
CAS No.	1639-09-4
Molecular Formula	C7H16S
Molecular Weight	132.27 g/mol
Synonyms	Heptyl mercaptan; n-Heptyl mercaptan; 1-Mercaptoheptane; Heptane-1-thiol; n-Heptanethiol; HSDB 5796; NSC 7419; FEMA No. 4128
EINECS	216-683-8

Quality Control

Our 1-Heptanethiol is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from strong acids, oxidizers, and heat sources. Recommended storage temperature is 2-8°C to maximize shelf-life stability. Keep container tightly sealed when not in use to prevent evaporation and minimize odor release.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	0.842 - 0.848 g/mL
Refractive Index (n20/D)	1.448 - 1.452
Water Content (KF)	≤ 0.1%

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