EDTA

EDTA

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EDTA stands for Ethylenediaminetetraacetic acid. In cosmetics, EDTA is often used as a chelating agent, which means it helps to improve the stability and effectiveness of products by binding to metal ions present in the formulation. It is added to cosmetics and personal care products such as shampoos, conditioners, creams, lotions, and cleansers.

The primary function of EDTA in cosmetics is to prevent the deterioration of the product caused by the presence of metal ions, such as calcium, iron, and magnesium, which can contribute to the degradation of the formula over time. By chelating these metal ions, EDTA helps maintain the stability, appearance, and texture of the product.

Additionally, EDTA can enhance the foaming and cleansing properties of cosmetic formulations, making it a common ingredient in shampoos, soaps, and body washes. It helps to increase the effectiveness of cleansing agents and improve their ability to remove dirt, oil, and other impurities from the skin or hair.








 

Properties:

Chelating Agent: Sodium EDTA is a powerful chelating agent, forming stable complexes with metal ions, which helps prevent the adverse effects of metal ions in cosmetic formulations.

pH Adjustment: It can act as a pH stabilizer, helping to maintain the acidity or alkalinity of a product.

Stability: Sodium EDTA contributes to the stability and preservation of cosmetic products by preventing the oxidation and degradation caused by metal ions.

Water Softening: In addition to its use in cosmetics, it is also employed in detergents and cleaning products for water softening.


Uses:

Cosmetic and Personal Care Products: Sodium EDTA is commonly used in skincare and hair care products, such as creams, lotions, shampoos, and soaps, to enhance stability and preserve the product.

Pharmaceuticals: Included in some pharmaceutical formulations to improve stability and prevent degradation.

Food and Beverage Industry: Used as a stabilizer and preservative in certain food and beverage products.

Water Treatment: Sodium EDTA is employed in water treatment processes to control water hardness and prevent scale formation.

INCI: Disodium EDTA (ethylenediaminetetraacetic acid tetrasodium salt)

Chemical Name: Sodium Ethylene Diamine Tetraacetic Acid

CAS Number: 139-33-3

Molecular Formula: C10H14N2Na2O8·2H2O

Molecular Weight: 372.24 g/mol (anhydrous)

Appearance: White crystalline powder or granules.

Solubility: Highly soluble in water.

pH (1% Solution): Approximately 4.0 - 5.5

Melting Point: Decomposes at higher temperatures.

Density: 0.860 g/cm³ (anhydrous)

Chelation Capacity: Sodium EDTA has a high affinity for metal ions and is effective in chelating divalent and trivalent metal ions.

Appearance: Off-white powder, no odor

Solubility: Water-soluble

Preservation: Preservative-free

Storage: Store in a closed container at a dry place at room temperature

Country of Origin: China


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