Description

Octadecanammonium Iodide is a high-purity quaternary ammonium salt with a long alkyl chain, offering unique surfactant and phase-transfer catalytic properties. This compound is valued for its ability to modify surface interactions and facilitate reactions in heterogeneous systems. It serves as a critical intermediate and functional additive for researchers and manufacturers in the pharmaceutical, materials science, and specialty chemical sectors seeking reliable performance in synthesis and formulation.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly useful in alkylation, displacement, and polymerization processes.
• Surfactant & Emulsifier: Acts as a cationic surfactant for the formulation of disinfectants, fabric softeners, and antistatic agents.
• Pharmaceutical Intermediate: Used in the synthesis of quaternary ammonium compounds with antimicrobial or antistatic properties for drug formulations.
• Nanomaterial Synthesis: Serves as a structure-directing agent or stabilizer in the preparation of nanoparticles and mesoporous materials.
• Ionic Liquid Precursor: Can be utilized as a starting material for creating task-specific ionic liquids.
• Analytical Chemistry: Employed in ion-pair chromatography as a mobile phase modifier for separating ionic species.
• Antistatic Agent: Imparts antistatic properties to plastics, textiles, and coatings.
• Biocide Component: Incorporated into formulations for algicides, bactericides, and fungicides.

Basic Information

Product Name	Octadecanammonium Iodide
CAS No.	17535-32-9
Molecular Formula	C₁₈H₄₀IN
Molecular Weight	421.42 g/mol
Synonyms	Stearyltrimethylammonium Iodide; Octadecyltrimethylammonium Iodide; N,N,N-Trimethyl-1-octadecanaminium Iodide; STAI; ODAI; 1-Octadecanaminium, N,N,N-trimethyl-, iodide; Trimethylstearylammonium Iodide; Cetrimonium Iodide (related)
EINECS	Contact for details

Quality Control

Our Octadecanammonium Iodide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. A Certificate of Analysis (COA) detailing the results for key parameters such as assay, iodide content, and loss on drying is provided with every shipment to guarantee consistent quality and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Iodide Content (Titration)	Contact for details
Loss on Drying	≤ 2.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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