Description

Potassium Stearate is the potassium salt of stearic acid, a fundamental metal soap widely used as an emulsifier, stabilizer, and thickener. Its primary value lies in its ability to create stable emulsions and modify viscosity in aqueous systems, making it a versatile processing aid. This compound is essential for manufacturers in the cosmetics, personal care, and pharmaceutical industries seeking reliable and effective ingredients for their formulations.

Application

• Cosmetics & Personal Care: Acts as a primary soap base and opacifying agent in shaving creams, lotions, and solid soap bars.
• Pharmaceuticals: Used as an emulsifying and stiffening agent in creams, ointments, and topical medicinal preparations.
• Food Industry (where compliant): Functions as an emulsifier and stabilizer (E470a) in certain food products and as a release agent for confectionery.
• Industrial Applications: Serves as a lubricant and mold release agent in plastic and rubber processing.
• Textile & Polymer Auxiliary: Utilized as a softening agent and as a component in polymerization processes.

Basic Information

Product Name	Potassium Stearate
CAS No.	593-29-3
Molecular Formula	C18H35KO2
Molecular Weight	322.57 g/mol
Synonyms	Octadecanoic acid, potassium salt; Stearic acid, potassium salt; Potassium octadecanoate; E470a; K-Stearate; Metal soap (potassium); Potassium soap
EINECS	209-786-1

Quality Control

Our Potassium Stearate is produced under a stringent quality management system. Each batch is tested to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, loss on drying, and heavy metal content are available upon request to support your quality assurance protocols.

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) and must be kept in original packaging to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms
Assay (as C18H35KO2)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Acid Value	Contact for details
Heavy Metals (as Pb)	≤ 10 ppm
pH (1% Solution)	9.0 - 11.0

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