Diisodecyl Adipate is a synthetic ester prized in cosmetics and personal care products for its emollient properties. It forms a protective barrier on the skin and reduces water loss to leave the skin smooth and moisturized. It also provides a luxurious, silky texture to formulations without feeling heavy or oily. In its raw form, Diisodecyl Adipate appears as a clear, colorless to pale yellow liquid with low volatility. It is commonly added to creams, lotions, balms, sunscreens, and foundations. Additionally, this ingredient is resistant to oxidation - extending the shelf life of products. The chemical formula of Diisodecyl Adipate is C26H50O4.
CAS Number: 27178-16-1Chem/IUPAC Name: Diisodecyl adipateEINECS/ELINCS No: 248-299-9COSING REF No: 75607Products with DIISODECYL ADIPATE
With samples available
WITCOL® SM - 13400
by Witmans Industries
Chemceed Diisodecyl Adipate (DIDA)
by Chemceed
HALLSTAR® DIDA
by Hallstar
What is DIISODECYL ADIPATE used for?
Diisodecyl Adipate is widely used in cosmetics for its lightweight, non-greasy emollient properties. It hydrates and softens the skin, enhancing the sensory appeal of products like lotions, creams, and serums. In sunscreens, it acts as a solvent and enhances the spreadability of UV filters for even protection. It is also a key ingredient in makeup, such as foundations, lipsticks, and primers, improving texture, application, and wearability. Diisodecyl Adipate's plasticizing abilities make it ideal for flexible films in cosmetics. Additionally, it is used in hair care for its conditioning and smoothing effects, contributing to manageable, frizz-free hair without heaviness.
Origin
Diisodecyl Adipate is synthesized through the esterification of adipic acid and isodecyl alcohol. In this process, adipic acid reacts with two molecules of isodecyl alcohol under controlled conditions, often in the presence of a catalyst such as sulfuric acid or p-toluenesulfonic acid. The reaction occurs with heat to drive off water as a byproduct. Once esterification is complete, the mixture undergoes purification steps, including distillation or filtration, to remove unreacted materials and impurities, yielding a high-purity diester suitable for cosmetic use.
What does DIISODECYL ADIPATE do in a formulation?
EMOLLIENT|
MOISTURISING|
SKIN CONDITIONING|
SMOOTHING|
SOLVENT|
UV FILTERSafety Profile
Diisodecyl Adipate is a safe and non-irritating ingredient approved for use by regulatory bodies around the world. Due to its gentle nature, it is suitable for most skin types - including sensitive and acne prone skin. However, patch tests are recommended when using the ingredient for the first time. Additionally, Diisodecyl Adipate is biodegradable but its petrochemical-derived production raises environmental concerns.
DIISODECYL ADIPATE alternatives
DIISODECYL ADIPATE technical profile
| Property | Values |
| Boiling Point | 240°C |
| Melting Point | -75°C |
| pH | Neutral |
| Solubility | Insoluble in water; soluble in oil |
| Viscosity | Low to moderate |
Formulations with DIISODECYL ADIPATE
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By Application
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