Description

(2-Hydroxyethyl)(Methyl)[2-(Stearoyloxy)Ethyl]Ammonium Methyl Sulphate is a quaternary ammonium compound with a long-chain fatty acid ester group, functioning as a cationic surfactant and fabric softener active. Its molecular structure provides excellent softening, antistatic, and emulsifying properties, making it a key ingredient for enhancing the feel and performance of textiles and personal care formulations. This compound is primarily utilized by manufacturers in the textile, home care, and cosmetic industries seeking high-performance conditioning agents.

Application

• Primary Fabric Softener Active: A key cationic component in liquid and dryer sheet fabric softeners, providing excellent softening and antistatic benefits to textiles.
• Hair Conditioner & Rinse Formulations: Used in hair care products as a conditioning agent to impart smoothness, manageability, and a soft feel.
• Industrial Textile Auxiliary: Employed as a softener and lubricant in the finishing processes for yarns, fabrics, and non-wovens.
• Emulsifier and Dispersant: Functions as a cationic emulsifier for oils and waxes in specialty industrial and cosmetic applications.
• Antistatic Agent: Incorporated into formulations for synthetic fibers and plastics to reduce static charge buildup.

Basic Information

Product Name	(2-Hydroxyethyl)(Methyl)[2-(Stearoyloxy)Ethyl]Ammonium Methyl Sulphate
CAS No.	63833-73-8
Molecular Formula	C26H55NO6S
Molecular Weight	509.78 g/mol
Synonyms	Methyl(2-hydroxyethyl)[2-(stearoyloxy)ethyl]ammonium methyl sulfate; Di(2-stearoyloxyethyl)methylhydroxyethylammonium methyl sulfate (common representation); Esterquat; TEAQ (Triethanolamine Quat) Stearate Ester; Quaternary Ammonium Compound, Fatty Acid Ester Type; Fabric Softener Quaternary; Cationic Softening Agent; CAS 63833-73-8
EINECS	Contact for details

Quality Control

Our (2-Hydroxyethyl)(Methyl)[2-(Stearoyloxy)Ethyl]Ammonium Methyl Sulphate is produced under a stringent quality management system. Each batch is tested to ensure it meets consistent purity and performance specifications relevant for industrial and cosmetic 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, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	Off-white to pale yellow paste or solid
Identification (IR)	Conforms to structure
Assay (Active Matter)	≥ 90.0 %
Water Content	≤ 2.0 %
pH (10% solution)	4.0 - 7.0
Free Amine & Amine Salt	≤ 1.0 %

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