Stearic acid
Product name: stearic acid
Molecular formula: CH3(CH2)16COOH
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Stearic Acid
Product Overview
Stearic Acid is a versatile, saturated fatty acid widely used across multiple industries due to its stabilizing, thickening, and emulsifying properties. Derived from natural sources such as animal fats and vegetable oils, Stearic Acid is primarily used in the production of cosmetics, personal care products, candles, and industrial applications. Its waxy texture and high melting point make it an essential ingredient for improving product consistency and stability.
As a leading Stearic Acid manufacturer, Guangzhou KosNature Co., Ltd. offers high-quality Stearic Acid, catering to the needs of various industries, including cosmetics, lubricants, plastics, and more.
Applications
- Cosmetics and Personal Care: Stearic acid in cosmetics is used as a thickening agent and emulsifier in products such as lotions, creams, and soaps. It enhances texture and helps products retain their consistency by stabilizing emulsions.
- Soaps and Detergents: Stearic Acid is a key ingredient in soap making, helping to harden the soap and improve its durability. It also serves as a surfactant, aiding in the removal of dirt and oil.
- Candles: In candle production, Stearic Acid is used to harden wax and extend burning time, ensuring a long-lasting, clean burn.
- Industrial Applications: Stearic Acid acts as a lubricant and release agent in the manufacturing of rubber, plastics, and metal products. It improves material handling and enhances product quality.
Key Features
- Excellent emulsifying, thickening, and stabilizing properties
- Improves texture and consistency in cosmetic and personal care products
- Enhances the hardness and durability of soaps and candles
- Effective lubricant in industrial processes
- Non-toxic and safe for use in various applications
Specifications
- Appearance: White, waxy solid
- Chemical Formula: C18H36O2
- Molecular Weight: 284.48 g/mol
- Melting Point: 69–70°C
- Solubility: Insoluble in water, soluble in alcohol and organic solvents
- HS Code: 29157090
Packaging and Storage
Stearic Acid is available in 25 kg bags or custom packaging to suit customer requirements. For optimal storage, it should be kept in a cool, dry place away from moisture and direct sunlight.
FAQs
- What is the role of Stearic Acid in cosmetics?
Stearic Acid is used as a thickening and emulsifying agent in cosmetic products, helping to stabilize formulations and improve texture. - Is Stearic Acid safe for use in food and cosmetics?
Yes, Stearic Acid is non-toxic and widely used in food, cosmetics, and personal care products. - What is the HS Code for Stearic Acid?
The HS Code for Stearic Acid is 29157090.
For more information or to request a sample, please contact us at sales@kosnature.com
Cosmetics accessories series
Molecular formula: CH3(CH2)16COOH
CAS NO.: 57-11-4
Chemical structural formula:

Main uses:
Stearic acid is widely used in cosmetics as thickening agent and curing agent.
Quality standard
| Testing standard | USP35-NF30 | ||
| Specification and model | KOS-4 | KOS-6 | KOS-9 |
| appearance | white or almost white wax crystal, solid or powder | white or almost white wax crystal, solid or powder | white or almost white wax crystal, solid or powder |
| identification | meet the specification | meet the specification | meet the specification |
| freezing point, ℃ | 53~59 | 57~64 | 64~69 |
| acid value | 194-212 | 194-212 | 194-212 |
| iodine value | ≤1.0 | ≤1.0 | ≤1.0 |
| ignition residue, % | ≤0.1 | ≤0.1 | ≤0.1 |
| heavy metal, % | ≤0.001 | ≤0.001 | ≤0.001 |
| stearic acid content, % | 40~45 | 65~70 | ≥90 |
| stearic acid&palmitic acid content, % | ≥90 | ≥90 | ≥96 |
Packaging
woven bag and fiber can lined with high pressure PE film; 25kg/bag or follow customer’s packaging instruction
Nontoxic plastic additive series
Product name: stearic acid
Molecular formula: CH3(CH2)16COOH
Properties: white or almost white powder or crystal; soluble in ethyl alcohol, diethyl ether and chloroform; insoluble in water
Main uses
It is widely used in cosmetics, plastic cold-resistant plasticizer, release agent, stabilizing agent, surface active agent, thiofide, water-proofing agent, polishing agent, lubricating agent, softening agent other organic chemicals.
Quality standard:
| Testing item | Testing requirement | |
| State | stearic acid(powder) | stearic acid(bulk) |
| iodine value | ≤2.0 | ≤2.0 |
| acid value | 205~210 | 205~210 |
| saponification value | 206~211 | 206~211 |
| color | ≤200 | ≤200 |
| moisture, % | ≤0.2 | ≤0.2 |
| inorganic acid , % | ≤0.001 | ≤0.001 |
Packaging stearic acid(bulk) 25kg/box
stearic acid(powder) woben bag lined with high pressure PE film; 25kg/bag or follow customer’s packaging instruction

