Description

Dimethyldioctadecylammonium Iodide is a high-purity quaternary ammonium salt (quat) compound, widely recognized for its potent cationic surfactant properties. Its primary value lies in its ability to impart durable antimicrobial, antistatic, and softening characteristics to various materials. This makes it an essential raw material for manufacturers in the personal care, textile treatment, and specialty chemical synthesis industries seeking reliable performance and formulation stability.

Application

• Fabric Softeners & Textile Auxiliaries: As a key cationic agent to provide superior softness, antistatic properties, and fiber lubrication.
• Hair Conditioners & Personal Care: Used in rinse-off formulations to deliver excellent detangling, smoothness, and manageability to hair.
• Antimicrobial & Disinfectant Formulations: Serves as an active ingredient or co-agent in products designed for surface disinfection and preservation due to its biocidal efficacy.
• Phase Transfer Catalyst: Facilitates reactions between reactants in immiscible phases in organic synthesis, particularly for alkylation and esterification processes.
• Paper & Pulp Chemicals: Employed as a softening and debonding agent to improve the tactile quality of paper products.
• Asphalt & Bitumen Additives: Acts as an adhesion promoter and antistripping agent to improve the bonding between asphalt and aggregates.
• Clay & Mineral Treatment: Used for the organophilization of clays (e.g., bentonite) to enhance their compatibility with polymer matrices in nanocomposites.
• Oilfield Chemicals: Functions as a corrosion inhibitor, clay stabilizer, or emulsifier in drilling and production fluids.

Basic Information

Product Name	Dimethyldioctadecylammonium Iodide
CAS No.	7206-39-5
Molecular Formula	C38H80IN
Molecular Weight	693.94 g/mol
Synonyms	Distearyldimethylammonium Iodide; Dimethyl Distearyl Ammonium Iodide; DODMA-I; DODAI; N,N-Dimethyl-N,N-dioctadecylammonium Iodide; Dioctadecyldimethylammonium Iodide; Arquad 2HT-75 (Iodide Form); Quaternary Ammonium Salt, (C18)2 Me2 I; Adogen 462 (Iodide Form)
EINECS	230-576-1

Quality Control

Our Dimethyldioctadecylammonium Iodide 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 supply consistency and traceability for our B2B partners.

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). Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Melting Point	Contact for details
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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