Description

Dimethyldioctadecylammonium is a high-purity quaternary ammonium compound, also known as distearyldimethylammonium. This versatile cationic surfactant is prized for its excellent emulsifying, antistatic, and conditioning properties, making it a critical ingredient in numerous industrial and consumer formulations. It is essential for manufacturers in the personal care, textile, and specialty chemical industries seeking to enhance product performance and stability.

Application

• Primary emulsifier and softener in fabric conditioners and textile finishing agents.
• Key conditioning agent in hair care products such as conditioners, creams, and rinses.
• Antistatic agent for synthetic fibers and plastics processing.
• Emulsifier and stabilizer in the production of industrial and institutional cleaning products.
• Additive in paper manufacturing for improved softness and processability.
• Active ingredient in certain biocidal and sanitizing formulations.
• Component in asphalt emulsifiers and other specialty chemical applications.

Basic Information

Product Name	Dimethyldioctadecylammonium
CAS No.	14357-21-2
Molecular Formula	C38H80N+ (commonly as chloride salt: C38H80ClN)
Molecular Weight	550.04 g/mol (for chloride salt)
Synonyms	Distearyldimethylammonium; Dimethyl distearyl ammonium; DSDMAC; Distearyl dimethyl ammonium chloride; Quaternium-5; Arquad 2HT-75; Adogen 432; Arosurf TA-100; N,N-Dimethyl-N-octadecyloctadecan-1-aminium
EINECS	238-356-1

Quality Control

Our Dimethyldioctadecylammonium is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, composition, and performance. Certificates of Analysis (COA) detailing key parameters are provided to guarantee consistency and reliability for your production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white waxy solid / paste
Identification (IR)	Conforms
Assay (Active Matter)	≥ 95.0 %
Moisture Content	≤ 2.0 %
pH (10% solution)	5.0 - 8.0
Free Amine & Amine Hydrochloride	≤ 2.0 %

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