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Stearic acid is widely used as plastic cold resistant plasticizer, stabilizer, surfactant, mold release agent, rubber vulcanization accelerator and so on.
Stearic acid bulk is widely used in cosmetics, plastic plasticizers, mold release agents, stabilizers, surfactants, rubber vulcanization accelerators, waterproofing agents, polishing agents, metal soaps, metal mineral flotation agents, softeners, pharmaceuticals and other organic chemicals. Stearic acid bulk can also be used as a solvent for oil-soluble pigments, a crayon slippering agent, a wax paper polishing agent, an emulsifier for glyceryl stearate, etc. Stearic acid is also widely used in the manufacture of polyvinyl chloride plastic pipes, plates, profiles, films, is a heat stabilizer of polyvinyl chloride, with good lubricity and good light and heat stability. Used in PVC pipes, stearic acid helps prevent "coking" during processing, is an effective heat stabilizer in PVC film processing, and can prevent discoloration of the finished film caused by exposure to sunlight.
Items | Specifications | Results |
Appearance | White or almost white,waxy,flaky crystals,white or almost white hard massese,or white or yellowish-white powder | White powder |
Freezing point:53-59℃ | 55.4℃ | |
Acid value:194-212 | 209.8 | |
Identification-C | Meet the requirements | Conform |
Acidity | ||
Color of solution | Meet the requirements | Conform |
Iodine value(gI2/100g) | ≤4.0 | 0.11 |
Heavy Metals | ≤10ppm | ＜10ppm |
Residue on ignition | ≤0.1% | 0.01% |
Stearic acid | 40-60% | 42.7% |
Stearic acid and palmitic acid | ≥90.0% | 99.4% |
Conclusion | The product conforms to the above specifications. | |
| Product parameters | |
| Cas number: | 57-11-4 |
| Appearance: | White powder |
| Purity: | Stearic acid :40%-60% |
| Package details: | 25kg/bag |
| Brand: | Fortunachem |
Stearic acid is a saturated long-chain fatty acid with 18 carbon atoms. Its chemical formula is C₁₈H₃₆O₂. It is a solid, waxy compound naturally found in animal and vegetable fats and oils (like shea butter, cocoa butter, and animal tallow).
Its unique properties—acting as a thickener, emulsifier, and lubricant—make it invaluable across industries:
Cosmetics & Soaps (Primary Use): Acts as a hardening agent in bar soaps, deodorants, and creams. It is a key component in triple-milled soaps. In lotions, it helps stabilize emulsions and creates a pearlescent effect.
Food Industry: Used as a release agent, emulsifier, and thickener (food additive E570). It helps bind ingredients in candies, chewing gum, and butter substitutes.
Candles: A primary ingredient in hard, slow-burning candles (especially stearin candles), often blended with paraffin to improve durability and opacity.
Industrial & Manufacturing:
Rubber & Tires: Acts as a vulcanization activator and lubricant.
Plastics & PVC: A common lubricant and release agent during molding.
Metalworking: Used in acid pickling baths and as a lubricant in wire drawing.
Pharmaceuticals: Used as a tablet binder and to create a controlled-release coating for pills.
In summary, stearic acid is a versatile, naturally derived workhorse chemical essential for creating hardness, stability, and texture in countless everyday products.
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