Description

1-Octadecylpyridinium Chloride is a quaternary ammonium salt (quat) surfactant characterized by a long hydrophobic alkyl chain. This compound matters as a highly effective cationic surfactant and phase-transfer catalyst, offering unique properties for modifying surfaces and facilitating reactions. Industries that need it include those involved in textile processing, personal care formulation, and specialty chemical synthesis where cationic activity is required.

Application

• Textile Softener and Antistatic Agent: Imparts a soft hand feel and reduces static cling on natural and synthetic fibers.
• Hair Conditioner and Cosmetic Ingredient: Acts as a conditioning agent in shampoos and rinses, improving manageability and shine.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly in organic synthesis and polymer manufacturing.
• Biocide and Disinfectant Formulations: Serves as an active ingredient or potentiator in formulations targeting bacteria and algae.
• Emulsifier and Dispersant: Aids in the stabilization of emulsions and suspensions in various industrial processes.
• Fabric Dyeing and Printing Auxiliary: Improves dye leveling and fixation on textile substrates.
• Corrosion Inhibitor: Used in formulations to protect metal surfaces in industrial water systems.
• Research & Development: Employed in academic and industrial labs for studying surfactant behavior and developing new materials.

Basic Information

Product Name	1-Octadecylpyridinium Chloride
CAS No.	3165-81-9
Molecular Formula	C23H42ClN
Molecular Weight	368.04 g/mol
Synonyms	Octadecylpyridinium Chloride; Stearylpyridinium Chloride; N-Octadecylpyridinium Chloride; 1-Octadecylpyridin-1-ium Chloride; Cetylpyridinium Chloride Homologue (C18); Pyridinium, 1-octadecyl-, chloride; PC-18; ODPC
EINECS	221-622-6

Quality Control

Our 1-Octadecylpyridinium Chloride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	5.0 - 7.0

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