Description

Polyglyceryl-2 Tetrabehenate is the tetraester of diglycerin and behenic acid. This compound is used in the cosmetic, pharmaceutical, and personal care industries for its emulsifying, thickening, and stabilizing properties.

Chemical Composition and Structure

Polyglyceryl-2 Tetrabehenate is composed of esters formed by the reaction of behenic acid with diglycerin. The esterification process links the carboxyl groups of behenic acid with the hydroxyl groups of diglycerin, resulting in a stable tetraester compound.

Physical Properties

Polyglyceryl-2 Tetrabehenate typically appears as a white to off-white solid or waxy substance. It has a mild, neutral odor and is soluble in oils and organic solvents but has limited solubility in water. The compound's structure allows it to act as an effective emulsifier, thickener, and stabilizer, enhancing the texture and stability of cosmetic formulations.

Production Process

Synthesis of Diglycerin: Glycerol is polymerized to produce diglycerin, a polymer containing two glycerol units.
Preparation of Behenic Acid: Behenic acid is obtained from natural sources such as the seeds of the Moringa tree or synthesized through chemical processes.
Esterification: Diglycerin is reacted with behenic acid in the presence of a catalyst. The esterification process links the carboxyl groups of behenic acid with the hydroxyl groups of diglycerin, forming the tetraester.
Purification: The resulting Polyglyceryl-2 Tetrabehenate is purified to remove any unreacted materials and by-products, ensuring a high-quality final product.
Quality Control: Rigorous quality tests are conducted to evaluate the purity, stability, and composition of the ester, including chemical and microbiological analyses.

Applications

Cosmetic Products: Used in creams, lotions, and emulsions for its emulsifying and thickening properties, enhancing the texture and stability of the formulations.
Skin Care: Ideal for products aimed at providing moisturizing and protective benefits due to its ability to improve skin barrier function and reduce water loss.
Hair Care: Incorporated into conditioners, hair masks, and styling products for its ability to thicken formulations and provide conditioning effects.
Pharmaceutical Products: Utilized in various formulations for its solubilizing and stabilizing properties, enhancing the delivery and stability of active ingredients.
Personal Care Products: Used in body washes, soaps, and other personal care items for its emulsifying and thickening effects.

Environmental and Safety Considerations

Polyglyceryl-2 Tetrabehenate is generally considered safe for use in cosmetic, pharmaceutical, and personal care products. It is non-irritating and suitable for all skin types. Proper use within recommended concentrations is essential to ensure safety and maximize effectiveness. Efforts to source raw materials sustainably and to use environmentally friendly production methods are important to mitigate any potential environmental impact.

INCI


Skin conditioning agent. It is the mainstay of topical skin treatment as it has the function of restoring, increasing or improving skin tolerance to external factors, including melanocyte tolerance. The most important function of the conditioning agent is to prevent skin dehydration, but the subject is rather complex and involves emollients and humectants that can be added in the formulation.
Synonyms:

CAS: 64366-79-6 Ec number 613-583-7