Octyl Gallate is a gallate ester and phenolic antioxidant commonly used in food-related antioxidant systems, cosmetic formulations, pharmaceutical research, chemical synthesis, and specialty formulations. It is valued for its gallic acid ester structure, antioxidant activity, and suitability for formulations requiring oxidation-control support.
Octyl Gallate, also known as octyl 3,4,5-trihydroxybenzoate or gallic acid octyl ester, belongs to the alkyl gallate family. It is produced by esterification of gallic acid with octanol and is widely recognized as a functional antioxidant compound for stabilization, research, and formulation development.
Key Product Information
Attribute | Description |
Product Name | Octyl Gallate |
Chemical Name | Octyl 3,4,5-trihydroxybenzoate |
Synonyms | Gallic acid octyl ester, n-Octyl gallate, Octyl 3,4,5-trihydroxybenzoate |
CAS Number | 1034-01-1 |
EC Number | 213-853-0 |
Molecular Formula | C15H22O5 |
Molecular Weight | 282.33 g/mol |
Appearance | White to off-white crystalline powder, depending on specification |
Main Components | Octyl gallate |
Main Function | Phenolic antioxidant, stabilizing agent, formulation ingredient, chemical intermediate |
Typical Use Areas | Food-related antioxidant systems, cosmetics, personal care, pharmaceutical research, chemical synthesis, analytical standards, and specialty formulations |
PubChem describes Octyl Gallate as a gallate ester formed from gallic acid and octanol, with molecular formula C15H22O5 and molecular weight 282.33 g/mol. Sigma-Aldrich lists Octyl Gallate under CAS 1034-01-1 and EC 213-853-0.
Key Features
Feature | Benefit |
Gallate ester structure | Provides characteristic antioxidant functionality |
Phenolic antioxidant profile | Supports oxidation-control and stabilization concepts |
Longer alkyl chain than propyl or ethyl gallate | Offers different solubility and compatibility characteristics in formulation systems |
White to off-white powder form | Convenient for premixes, dry blends, and laboratory use |
Versatile application potential | Suitable for food-related research, cosmetics, specialty chemicals, and R&D |
Customizable quality options | Can be supplied according to purity, particle size, packaging, and customer requirements |
Typical Applications
Food-Related Antioxidant Systems
Octyl Gallate is commonly associated with antioxidant applications in food-related systems, especially where oxidative stability is important. It may be evaluated for use in fats, oils, lipid-containing systems, and functional formulations. Any commercial use in food or beverage products should comply with local food additive regulations, approved use categories, dosage limits, labeling rules, and product-grade requirements.
Cosmetics and Personal Care
Octyl Gallate can be used in cosmetic and personal care formulations where antioxidant protection and formulation stabilization are desired. It may be suitable for creams, lotions, serums, balms, oils, emulsions, and specialty skincare systems, depending on local cosmetic regulations and final product specifications.
Antioxidant and Stabilization Systems
Because Octyl Gallate contains multiple phenolic hydroxyl groups, it can be used in antioxidant-positioned systems designed to help reduce oxidative degradation. It is especially relevant for formulations containing oxidation-sensitive ingredients, oils, lipids, fragrances, or active compounds.
Chemical Synthesis and Research
Octyl Gallate is suitable for chemical research, synthesis, and analytical applications. It may be used as a phenolic building block, gallate ester reference compound, antioxidant model compound, or intermediate in specialty chemical development.
Pharmaceutical and Nutraceutical Research
Octyl Gallate may be used in pharmaceutical, nutraceutical, and biological research involving gallate esters, phenolic antioxidants, lipid-soluble antioxidant systems, and structure-function studies. Final commercial use in health-related products should be supported by appropriate regulatory review, safety evaluation, and product documentation.
Formulation Benefits
Octyl Gallate provides a useful combination of phenolic antioxidant functionality, gallate ester chemistry, and formulation versatility. It is especially suitable for:
Food-related antioxidant systems involving fats, oils, or lipid-based formulations.
Cosmetic and personal care products requiring antioxidant-positioned ingredients.
Specialty formulations where oxidation control and stability support are desired.
Research and development involving gallate esters and phenolic antioxidants.
Chemical synthesis projects requiring an octyl gallate intermediate or reference compound.
Laboratory antioxidant studies and analytical quality-control applications.
Regulatory Note
The permitted use of Octyl Gallate depends on the destination market, product grade, purity, manufacturing process, intended application, and final product claims. For food, supplement, cosmetic, feed, pharmaceutical, or industrial use, customers should confirm local regulatory status, approved application scope, dosage limits, labeling requirements, safety data, and claims before commercialization.
The presence of a chemical name, CAS number, or database listing does not automatically mean that Octyl Gallate is approved for every use or every market. Customers should review the product COA, specification, Safety Data Sheet, and applicable local regulations before use.
Packaging and Storage
Store Octyl Gallate in a cool, dry, and well-ventilated area. Keep the container tightly closed after opening. Protect from moisture, heat, direct sunlight, strong oxidizing agents, strong bases, strong acids, and incompatible materials. Use appropriate protective equipment and follow the product label, COA, and Safety Data Sheet during handling.
Suggested Short Listing Copy
Octyl Gallate is a phenolic antioxidant and gallic acid ester used in food-related antioxidant systems, cosmetics, personal care, pharmaceutical research, chemical synthesis, and specialty formulations. With its gallate ester structure, antioxidant profile, and broad formulation potential, Octyl Gallate is suitable for manufacturers seeking a reliable ingredient for oxidation-control, stabilization, and specialty chemical applications.
Conclusion
Octyl Gallate is a versatile gallate ester for manufacturers and researchers seeking a phenolic antioxidant compound with strong formulation value. Its antioxidant-positioned benefits, gallic acid ester structure, and compatibility with specialty formulation systems make it suitable for food-related antioxidant applications, cosmetics, personal care, chemical research, pharmaceutical research, and specialty chemical development. Overall, Octyl Gallate is a practical choice for product developers requiring a stable, functional, and high-quality antioxidant ingredient.
