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Stearic Acid
RAW MATERIAL
STEARIC

Stearic Acid

Stearic Acid is a white to milky-white fatty acid powder used in plastics, rubber, textiles, cosmetics, food processing, papermaking, and other industrial applications.

Chemical Name
Stearic Acid
Molecular Weight
284.48 g/mol
Molecular Formula
C18H36O2
EINECS
266-928-5
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PRODUCT OVERVIEW

Product Description

Stearic Acid is a solid fatty acid supplied as a white crystalline material or white to milky-white powder without obvious mechanical impurities. It is insoluble in water and only slightly soluble in ethanol. Its functional properties make it suitable for a range of industrial applications, including plastics, rubber, textiles, cosmetics, food processing, papermaking, metal polishing, and related manufacturing processes. Depending on the application, Stearic Acid may function as a lubricant, stabilizer, softener, dispersant, emulsifier, sizing agent, or processing auxiliary.
KEY PROPERTIES

Product Characteristics

White crystalline material or white to milky-white powder.
Free from obvious mechanical impurities.
Insoluble in water.
Slightly soluble in ethanol.
TECHNICAL SPECIFICATIONS

Specification Data

Specification Standard
AppearanceWhite to milky white powder White to milky white powder
Iodine Value, gI₂/100g 1.0
Saponification Value by wt % 207 - 212
Acid Value, mgKOH/g 206 - 211
Chroma 160
Freezing Point, °C 54 - 57
Moisture by wt % 0.2
APPLICATIONS

Typical Uses

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Used as a heat stabilizer and lubricant in plastic processing.
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Used as a vulcanization activator, softener, and dispersing agent in the rubber industry.
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Used in textile processing as a dispersant, softener, water-repellent agent, penetrant, anti-friction agent, and defoamer.
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Used in cosmetic formulations as an emulsifier, softener, and gloss-improving agent.
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Used in food-related applications as an emulsifier, dispersant, and quality-improving agent.
✓
Used in papermaking as a sizing agent and softener.
✓
Used in metal polishing and as a raw material in the production of candles, calcium carbonate, grease, and related products.
STORAGE & HANDLING

Handling Guidance

Store in suitable sealed packaging under dry and appropriate storage conditions. Protect the product from direct sunlight, moisture, contamination, and incompatible chemical materials. Storage and handling requirements should follow the applicable supplier COA, SDS, and technical documentation.
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