Description

Carboxymethyl Stearate is a versatile fatty acid ester derived from stearic acid, known for its excellent emulsifying and surfactant properties. This compound is valued for its ability to modify viscosity, stabilize formulations, and improve texture across various industrial applications. It serves as a critical functional additive for manufacturers in the personal care, cosmetics, pharmaceuticals, and specialty chemical industries seeking reliable performance enhancers.

Application

• Personal Care & Cosmetics: Acts as a primary or co-emulsifier, thickener, and opacifying agent in creams, lotions, and hair conditioners.
• Pharmaceuticals: Used as an excipient in topical ointments and creams for its emulsifying and stabilizing properties.
• Industrial Lubricants & Greases: Functions as a friction modifier and thickening agent in specialty lubricant formulations.
• Textile & Leather Processing: Serves as a softener, lubricant, and finishing agent to improve fabric and leather handle.
• Paints & Coatings: Employed as a dispersing and flow control agent to enhance the stability and application properties of the final product.
• Plastics & Polymers: Utilized as an internal or external lubricant and mold release agent during polymer processing.

Basic Information

Product Name	Carboxymethyl Stearate
CAS No.	5767-84-0
Molecular Formula	C21H40O4
Molecular Weight	356.54 g/mol
Synonyms	Stearic acid carboxymethyl ester; Glycolic acid stearic acid ester; Octadecanoic acid, 2-(carboxymethoxy)-; Carboxymethyl octadecanoate; CMS; Carboxymethyl stearic acid ester; Stearic acid, carboxymethyl ester; 2-(Carboxymethoxy)octadecanoic acid
EINECS	227-277-8

Quality Control

Our Carboxymethyl Stearate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. A Certificate of Analysis (COA) detailing the results is provided with each shipment to guarantee traceability and compliance with your requirements.

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). Keep away from strong oxidizing agents and excessive heat.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0 %
Acid Value	≤ 10.0 mg KOH/g
Saponification Value	150 - 170 mg KOH/g
Melting Point	50 - 60 °C
Loss on Drying	≤ 2.0 %

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