Description

4-Nonylbenzenethiol is a high-purity organic sulfur compound, specifically a substituted benzenethiol, with the CAS number 4527-49-5. This chemical serves as a critical intermediate and functional additive, valued for its ability to act as a chain transfer agent, stabilizer, or ligand in advanced synthesis. It is essential for manufacturers and R&D facilities in the polymer, specialty chemical, and pharmaceutical sectors seeking to modify material properties or develop novel compounds. Our supply ensures consistent quality and reliable availability for your production and development needs.

Application

• Polymer Industry: Primary use as a highly effective chain transfer agent (CTA) in free-radical polymerization processes to control molecular weight and polymer architecture.
• Specialty Chemicals Synthesis: Key intermediate in the production of surfactants, lubricant additives, and other functional chemicals where the thiol and aromatic groups impart specific properties.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Material Science: Employed in surface modification, nanoparticle functionalization, and as a precursor for self-assembled monolayers (SAMs).
• Stabilizer/ Antioxidant Precursor: Acts as a stabilizer in certain formulations or as a building block for more complex antioxidant systems.
• Catalysis & Ligand Chemistry: Serves as a ligand for metal complexes used in homogeneous catalysis.

Basic Information

Item	Detail
Product Name	4-Nonylbenzenethiol
CAS No.	4527-49-5
Molecular Formula	C₁₅H₂₄S
Molecular Weight	236.41 g/mol
Synonyms	p-Nonylbenzenethiol; 4-Nonylthiophenol; p-Nonylthiophenol; 1-(4-Mercaptophenyl)nonane; Nonylphenyl mercaptan; Benzenethiol, 4-nonyl-; 4527-49-5; Thiophenol, p-nonyl-
EINECS	Contact for details

Quality Control

Our 4-Nonylbenzenethiol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its sensitivity to oxidation and light, minimize exposure to air and direct light during handling.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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