Overview
Diglycerol Dioleate (DGD) is a synthetic ester derived from diglycerol and oleic acid. It is classified as a non-ionic surfactant and emulsifier, valued for its ability to stabilize oil-in-water and water-in-oil emulsions. Its biocompatibility and mildness make it suitable for use in personal care products, pharmaceuticals, and food applications. DGD is particularly favored in cosmetic formulations for its ability to enhance texture and stability. Its molecular structure allows it to act as a solubilizer and emollient, making it a versatile ingredient in creams, lotions, and other topical products.
Physical and Chemical Properties
Diglycerol Dioleate is a viscous liquid with a pale yellow to amber appearance. It has a density of approximately 0.95-0.98 g/cm³ and is soluble in oils and organic solvents but insoluble in water. Its non-ionic nature ensures compatibility with a wide range of formulations without causing irritation. The ester bonds in DGD contribute to its stability under various pH conditions, making it suitable for use in acidic or alkaline environments. Its emulsifying properties are attributed to the balanced hydrophilic-lipophilic balance (HLB) value, which varies depending on the degree of esterification.
Main Applications
DGD is extensively used in the cosmetics industry as an emulsifier in creams, lotions, and sunscreens. Its ability to stabilize emulsions and improve product texture makes it a preferred choice for formulators. In pharmaceuticals, it serves as a solubilizer for active ingredients in topical preparations. In the food industry, DGD is employed as an emulsifier and stabilizer in products like margarine, dressings, and baked goods. Its GRAS status ensures its safety for consumption. Additionally, it finds use in industrial applications such as lubricants and coatings due to its oleophilic properties.
Safety and Storage
Diglycerol Dioleate is generally recognized as safe for topical and oral use, though prolonged skin contact should be avoided to prevent potential irritation. It is non-toxic and biodegradable, aligning with environmental safety standards. For storage, DGD should be kept in a cool, dry place away from direct sunlight to prevent degradation. Containers should be tightly sealed to avoid moisture absorption. Bulk storage in stainless steel or high-density polyethylene (HDPE) containers is recommended to maintain product integrity.
B2B Procurement Guide
When procuring Diglycerol Dioleate, buyers should prioritize suppliers with certifications such as ISO, GMP, or Halal/Kosher, depending on the intended application. Request technical data sheets (TDS) and certificates of analysis (CoA) to verify purity and consistency. Price negotiations should consider bulk purchasing discounts, but quality should not be compromised. Sample testing is advisable to ensure compatibility with specific formulations. Lead times and minimum order quantities (MOQs) should be clarified to align with production schedules.
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