Stearic Acid

Stearic acid is a saturated fatty acid with an 18-carbon chain (C₁₈H₃₆O₂). It is a major component in many natural fats and oils and has wide applications in industries like cosmetics, food, pharmaceuticals, and manufacturing. It is widely used in industries due to its emulsifying, lubricating, stabilizing, and thickening properties.

Application

Cosmetics & Personal Care

Soaps & Cleansers: Acts as a hardening agent and lather booster.
Lotions & Creams: Functions as an emollient and thickener.
Deodorants & Antiperspirants: Helps solidify sticks.
Shaving Products: Provides a smooth texture.

Pharmaceuticals

Tablet & Capsule Manufacturing: Used as a lubricant and binder.
Suppositories: Acts as a base material.
Ointments & Creams: Stabilizes formulations.

Food Industry (as E570)

Confectionery (Chocolate, Candies): Prevents bloom and improves texture.
Bakery Products: Extends shelf life.
Food Coatings & Release Agents: Prevents sticking.

Industrial Applications

Rubber & Tire Manufacturing: Accelerates vulcanization.
Candles: Improves hardness and burn time.
Plastics & PVC: Acts as a lubricant and mold release agent.
Metalworking: Used in cutting and forming operations.

Textiles & Leather

Fabric Softeners & Water Repellents.
Leather Processing: Adds smoothness and durability.

Other Uses

Crayons & Art Supplies: Provides hardness.
Biodegradable Detergents.
Lubricants & Greases.

Description

Product Characters：White or slightly yellow, waxy solid.
Executive Standards：98.5% or 99%
Formula: C₁₈H₃₆O₂
CAS No: 57-11-4

Key Characteristics of Stearic Acid

Property	Value/Description
Appearance	White, waxy solid or flakes
Odor	Faint, characteristic fatty odor
Melting Point	69–70°C (156–158°F)
Boiling Point	361°C (682°F) (decomposes)
Density	0.94 g/cm³ (at 20°C)
Solubility	Insoluble in water, soluble in ethanol, chloroform, ether, and oils
pH (1% solution)	~4–5 (weakly acidic)

25 Kg bag

A 20-foot container of Stearic acid can typically hold around 17 metric tons. Basis of shipment in containers can be CIF destination or FOB as required.

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