Description

n-Pentadecyl Mercaptan is a high-purity, long-chain aliphatic thiol with the CAS number 25276-70-4. This compound serves as a critical intermediate and functional additive, valued for its ability to modify polymer properties and act as a chain transfer agent. It is essential for manufacturers and R&D facilities in the polymer, specialty chemical, and lubricant industries seeking to fine-tune material characteristics.

Application

• Polymer Modification & Chain Transfer Agent: Used in the synthesis and modification of polymers, including styrenics and acrylics, to control molecular weight and polymer architecture.
• Lubricant & Fuel Additive: Functions as an extreme pressure additive and anti-wear agent in industrial lubricants and specialty fuel formulations.
• Surface Active Agent: Employed in the production of surfactants and flotation agents for mineral processing.
• Chemical Intermediate: Serves as a key building block for synthesizing more complex sulfur-containing compounds in pharmaceutical and agrochemical research.
• Rubber & Elastomer Production: Acts as a peptizing agent or vulcanization modifier in the manufacture of synthetic rubbers.
• Corrosion Inhibitor Precursor: Used in formulations designed to protect metal surfaces in harsh environments.

Basic Information

Product Name	n-Pentadecyl Mercaptan
CAS No.	25276-70-4
Molecular Formula	C15H32S
Molecular Weight	244.48 g/mol
Synonyms	1-Pentadecanethiol; Pentadecylthiol; n-Pentadecanethiol; Pentadecanethiol; C15 Mercaptan; 1-Mercaptopentadecane; Thiopentadecyl alcohol; NSC 74131
EINECS	246-761-7

Quality Control

Our n-Pentadecyl Mercaptan is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research applications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is 2-25°C. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Density (20°C)	0.84 - 0.86 g/mL
Refractive Index (n20D)	1.458 - 1.462

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