Xi'an Huilin Bio-Tech Co., Ltd. is one of the leading manufacturers and suppliers of ethyl stearate powder in China. With abundant experience, we are committed to providing high quality natural products with competitive price. Please feel free to wholesale bulk pure ethyl stearate powder for sale here from our factory.
Introduction
Ethyl Stearate is a long-chain fatty acid ethyl ester, formed by the esterification of stearic acid and ethanol. It is a naturally occurring compound found in small amounts in various foods and beverages, such as beer, cocoa, and grape brandy. As a versatile lipid-like molecule, it is prized in industries for its excellent stability, mild waxy odor, and multi-functional properties, serving roles from a flavor enhancer to a softening agent and research biochemical.
Physical & Chemical Parameters
| Parameter | Specification / Value | Notes / Reference |
|---|---|---|
| Melting Point | 33.0 - 38.0 °C | Solid at room temperature. |
| Boiling Point | 199 °C at 10 mmHg; ~356 °C at 760 mmHg | |
| Flash Point | >93 °C (>200 °F) | Combustible solid. |
| Density | ~0.86 g/cm³ | |
| Solubility | Practically insoluble in water. Soluble in ethanol, DMSO, and oils. | A very hydrophobic molecule. |
| LogP | ~8.9 | High lipophilicity. |
| Storage Conditions | Store at 2-8°C in a tightly sealed container. | For long-term stability. |
Mechanism of Action: A Symphony on the Senses
Ethyl Stearate functions through its inherent physicochemical properties as a fatty acid ester:
- In Flavors & Fragrances: It acts primarily as a carrier and modifier. Its mild, waxy characteristic note helps round off harsh tones and enhances the overall richness and mouthfeel of food flavors (particularly meaty or fat-like notes) and fragrance compositions. Its high lipophilicity allows it to blend seamlessly into oil-based formulations.
- As a Functional Additive: In cosmetics and industrial applications, it works as a lubricant and emollient by forming a thin, hydrophobic layer on surfaces or skin, reducing friction and providing a soft, smooth feel.
- In Biochemical Research: As a fatty acid ethyl ester (FAEE), it serves as a model compound or biomarker in metabolic studies, including research on lipid metabolism and alcohol consumption.
Key Benefits
- Dual-Industry Functionality: A single ingredient with validated applications in both food (FEMA 3490) and cosmetic (INCI) sectors, simplifying supply chains for multi-industry manufacturers.
- Superior Stability: Exhibits excellent chemical and thermal stability under normal processing conditions, contributing to longer shelf life in final products.
- Effective Texturizer: Provides lubricity, softness, and water-repellency in cosmetic creams, ointments, and industrial coatings without being greasy.
- Natural & Compliant Profile: Its status as a naturally occurring compound and approval by major global regulatory bodies (FEMA, FDA) supports clean-label and safety claims.
Primary Applications
- Food & Beverage: Used as a flavoring agent to impart or enhance waxy, fatty notes in baked goods, candy, meat flavorings, and beverages. Use levels must comply with FEMA guidelines.
- Fragrances & Cosmetics: Employed as a fragrance ingredient and skin-conditioning agent in perfumes, lotions, and creams. It acts as an emollient and helps stabilize scent profiles.
- Industrial: Serves as a lubricant, plasticizer, and water-proofing agent in various formulations, including coatings and release agents.
- Biochemical Research: Utilized as a standard or reagent in lipidomics, metabolic pathway studies, and as a biomarker in biomedical research related to fatty acid metabolism.
FAQ: Frequently Asked Questions
Q: What is the difference between Ethyl Stearate and Stearic Acid?
A: Stearic Acid is a saturated fatty acid (C18:0). Ethyl Stearate is the ethyl ester derivative of stearic acid, where the acidic hydrogen is replaced by an ethyl group. This makes Ethyl Stearate more oil-soluble, less acidic, and gives it different functional properties (e.g., as a flavor/fragrance ingredient vs. a soap base).
Q: How do I dissolve Ethyl Stearate Powder?
A: Due to its high hydrophobicity, it is insoluble in water. For laboratory use, it can be dissolved in organic solvents like DMSO, ethanol, or hot oils with gentle warming and sonication if needed.
Q: Is it safe for topical use in cosmetics?
A: Yes, Ethyl Stearate is approved for use in cosmetics worldwide under its INCI name. It is generally well-tolerated, though as with all ingredients, product formulation and safety assessment are the manufacturer's responsibility.
Q: What are the critical storage conditions?
A: For optimal long-term stability, store in a cool (2-8°C), dry place in a tightly closed container. Protect from strong oxidizers, acids, and bases.
Contact Us
Could you elevate your formulations with our high-purity Ethyl Stearate Powder? Whether you're developing a new food flavor, a luxurious skincare cream, or a specialized biochemical assay, our product delivers consistent quality and performance.
Ready to order or need more details?
Contact our sales team today for a competitive quotation, to request a sample, or for expert technical support tailored to your specific application needs.
Please contact us at ella.zhang@huilinbio-tech.com.
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