Description

Ethyldimethyl(Octadecyl)Ammonium Ethyl Phosphonate CAS NO 93963-68-9 is a quaternary ammonium phosphonate salt, a specialized surfactant and functional additive. This compound is valued for its dual cationic and phosphonate functionality, offering excellent surface activity, chelation, and corrosion inhibition properties. It is primarily sought by formulators in the industrial water treatment, oilfield chemicals, and personal care sectors for creating high-performance additive packages.

Application

• Industrial Water Treatment: Acts as a scale and corrosion inhibitor in cooling water and boiler water systems, particularly effective against calcium carbonate and sulfate scales.
• Oilfield Chemicals: Used in drilling fluids and production chemicals as a clay stabilizer, corrosion inhibitor, and for controlling mineral scale deposition in harsh downhole conditions.
• Personal Care & Cosmetics: Functions as a conditioning agent and emulsifier in hair care and skin care formulations, providing antistatic and softening benefits.
• Textile & Leather Processing: Serves as a softener, lubricant, and antistatic agent in fabric finishing and leather treatment baths.
• Paints & Coatings: Utilized as a pigment dispersant and grinding aid to improve color development and stability in aqueous coating systems.
• Metalworking Fluids: Incorporated as a corrosion inhibitor and lubricity additive in synthetic and semi-synthetic metalworking fluids.
• Biocide Synergist: Enhances the efficacy of other antimicrobial agents in disinfectant and preservative formulations.
• Agriculture: Used as an adjuvant in pesticide and herbicide formulations to improve wetting, spreading, and adhesion on plant surfaces.

Basic Information

Product Name	Ethyldimethyl(Octadecyl)Ammonium Ethyl Phosphonate
CAS No.	93963-68-9
Molecular Formula	C24H54NO3P
Molecular Weight	435.66 g/mol
Synonyms	Octadecyldimethylethylammonium Ethyl Phosphonate; Ethyl Phosphonic Acid, Compd. with N-Ethyl-N,N-dimethyl-1-octadecanaminium (1:1); ADEPA; N-Ethyl-N,N-dimethyl-1-octadecanaminium Ethyl Phosphonate; Dimethylethyloctadecylammonium Ethylphosphonate; Quaternary Ammonium Phosphonate Salt; Cationic Phosphonate Surfactant; Arquad P-100 (potential trade name)
EINECS	Contact for details

Quality Control

Our Ethyldimethyl(Octadecyl)Ammonium Ethyl Phosphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by titration, identification by FT-IR, and quantification of key impurities, to ensure consistent performance and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white waxy solid or paste
Identification (IR)	Conforms
Assay (Active Content)	≥ 95.0 %
Water Content (KF)	≤ 2.0 %
pH (10% solution)	6.0 - 8.0
Melting Point	Contact for details

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