Description

1-Mercaptohexadecan-2-Ol is a high-purity, long-chain thiol-alcohol compound, also known as 2-Hydroxyhexadecyl mercaptan. This specialty chemical is valued for its unique bifunctional structure, combining a reactive thiol (-SH) group with a hydroxyl (-OH) group on a long aliphatic chain, which makes it a versatile intermediate and surface-active agent. It is primarily utilized in advanced material science, polymer modification, and as a precursor for synthesizing specialized surfactants and ligands. Industries such as pharmaceuticals, agrochemicals, and specialty polymers rely on this compound for its ability to impart specific chemical functionalities and modify material properties.

Application

• Polymer Modification & Cross-linking Agent: Used as a chain transfer agent or cross-linker in the synthesis and modification of polymers, including rubbers and specialty plastics, to alter mechanical properties.
• Surface-Active Agent Precursor: Serves as a key intermediate for manufacturing non-ionic and anionic surfactants with specific hydrophilic-lipophilic balance (HLB) values.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and agrochemicals where the thiol and hydroxyl groups facilitate further chemical transformations.
• Gold Nanoparticle & Quantum Dot Capping Ligand: Acts as a stabilizing and functionalizing agent for nanomaterials due to the strong affinity of the thiol group for metal surfaces.
• Lubricant & Fuel Additive Component: Used in formulating extreme pressure (EP) additives and anti-wear agents for lubricants and specialty fuels.
• Corrosion Inhibitor Formulations: Incorporated into coatings and treatment fluids where it forms protective layers on metal surfaces.
• Chemical Synthesis Building Block: A versatile chiral building block for organic synthesis, particularly in creating compounds with long alkyl chains and specific stereochemistry.
• Adhesion Promoter: Enhances adhesion between organic polymers and inorganic substrates in composite materials and coatings.

Basic Information

Product Name	1-Mercaptohexadecan-2-Ol
CAS No.	55525-35-4
Molecular Formula	C₁₆H₃₄OS
Molecular Weight	274.51 g/mol
Synonyms	2-Hydroxyhexadecyl mercaptan; Hexadecane-1-thiol, 2-hydroxy-; 2-Hydroxy-1-hexadecanethiol; 1-Hexadecanethiol, 2-hydroxy-; 2-Hydroxycetyl mercaptan; (±)-1-Mercaptohexadecan-2-ol; 16-Mercapto-1-hexadecanol
EINECS	Contact for details

Quality Control

Our 1-Mercaptohexadecan-2-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for advanced synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). For long-term storage, consider packaging under an inert gas such as nitrogen or argon. Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	40 - 50 °C
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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