Description

Propyl Stearate is a clear, oily liquid ester derived from stearic acid and propanol, valued for its excellent lubricity, emollient properties, and hydrophobic nature. It serves as a versatile intermediate and functional additive across multiple industries, offering a cost-effective solution for modifying texture, reducing friction, and enhancing water repellency. Key sectors that utilize this compound include personal care, cosmetics, plastics, textiles, and industrial lubricant formulations.

Application

• Cosmetics & Personal Care: Acts as a non-greasy emollient, skin-conditioning agent, and co-emulsifier in creams, lotions, and makeup products.
• Plastic & Rubber Industry: Functions as an internal and external lubricant and mold release agent, improving processing and surface finish.
• Textile Processing: Used as a softening agent and water-repellent finish for fabrics and fibers.
• Industrial Lubricants: Serves as a base or additive in synthetic lubricants, metalworking fluids, and release agents.
• Food Contact Materials: Employed as a lubricant and release agent in the manufacturing of food packaging and processing equipment.
• Pharmaceuticals: Utilized as an excipient in topical formulations for its emollient and drug-release modulating properties.
• Coatings & Inks: Acts as a flow improver and lubricant to enhance application properties and surface gloss.
• Chemical Synthesis: Used as an intermediate in the production of other specialty esters and surfactants.

Basic Information

Product Name	Propyl Stearate
CAS No.	3634-92-2
Molecular Formula	C21H42O2
Molecular Weight	326.56 g/mol
Synonyms	Propyl Octadecanoate; n-Propyl Stearate; Stearic Acid Propyl Ester; Octadecanoic Acid Propyl Ester; Propyl Ester of Stearic Acid; Propyl n-Octadecanoate; NSC 8480; Propyl ester of octadecanoic acid
EINECS	222-880-8

Quality Control

Our Propyl Stearate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) are provided and can be tailored to meet specific customer requirements, including compliance with relevant standards for industrial, cosmetic, or food contact applications.

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 and heat sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow oily liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	170 - 175 mg KOH/g
Iodine Value	≤ 1.0 g I2/100g
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.440 - 1.445
Specific Gravity (20°C)	0.855 - 0.865

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