Description

Ethylmethyldi(Octadecyl)Ammonium Ethyl Sulphate is a high-purity quaternary ammonium compound, valued for its excellent surfactant and antistatic properties. This compound is essential for formulators requiring a reliable cationic agent with strong emulsifying and conditioning effects. It is primarily needed by manufacturers in the personal care, textile, and industrial chemical sectors for creating high-performance products.

Application

• As a primary cationic surfactant and emulsifier in hair conditioners, creams, and lotions.
• As an effective antistatic agent and softener in textile manufacturing and fabric care products.
• As a key ingredient in industrial biocidal formulations and disinfectants.
• As a phase transfer catalyst in specialty organic synthesis.
• As a conditioning and softening agent in paper coatings and processing aids.
• As a component in clay treatment and other oilfield chemical applications.

Basic Information

Product Name	Ethylmethyldi(Octadecyl)Ammonium Ethyl Sulphate
CAS No.	10378-14-0
Molecular Formula	C₄₁H₈₇NO₄S
Molecular Weight	690.2 g/mol
Synonyms	Dimethyl Ethyl Octadecyl Ammonium Ethyl Sulfate; Ethyl Methyl Di(stearyl) Ammonium Ethyl Sulfate; Di(octadecyl)ethylmethylammonium ethyl sulfate; Quaternary Ammonium Compound C41; Stearyl Dimethyl Ethyl Ammonium Ethyl Sulfate; Cationic Surfactant 10378-14-0; Arquad DM18B Ethyl Sulfate
EINECS	233-822-8

Quality Control

Our Ethylmethyldi(Octadecyl)Ammonium Ethyl Sulphate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the high standards required for industrial and specialty chemical applications. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment.

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 material is hygroscopic (moisture-sensitive); keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white waxy solid / paste
Identification (IR)	Conforms to structure
Assay (Quaternary Ammonium Content)	≥ 95.0 %
Water Content (KF)	≤ 2.0 %
Residual Solvent (GC)	≤ 0.5 %
Heavy Metals (as Pb)	≤ 10 ppm

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