What Is Trisodium ethylenediaminetetraacetate?
Edetate trisodium, also known as ethylenediamine tetraacetic acid (EDTA) trisodium salt, is a chemical compound that is commonly used in cosmetics as a chelating agent. This means that it has the ability to bind to metal ions such as calcium and iron, preventing them from reacting with other ingredients and causing unwanted changes in the product's appearance or texture. Edetate trisodium comes in both dry powder and liquid forms, and is an odorless white crystalline powder or fine white crystals. It can also act as a preservative in some products. Additionally, edetate trisodium is widely used to dissolve limescale due to its ability to sequester metal ions while keeping them soluble for easier removal.
What is the purpose of Trisodium ethylenediaminetetraacetate in personal care products?
It is used for its chelating
characteristics.
Trisodium ethylenediaminetetraacetate prevents ingredient degradation.
Names and identifiers that we found for this substance include: Trisodium ethylenediaminetetraacetate, "EDTA, trisodium salt", Edetate trisodium, (EDTA, and Trisodium 2,2'-({2-[(carboxylatomethyl)(carboxymethyl)amino]ethyl}azanediyl)diacetate.
What Are Chelating Ingredients?
Trisodium ethylenediaminetetraacetate has chelating characteristics.
Chelating ingredients in cosmetic products help maintain the product's effectiveness and stability by preventing degradation. They work by binding to metal ions, such as calcium, magnesium, and iron, that can be present in the water used to make the product or that may be present on the skin.
These metal ions can cause the cosmetic product to deteriorate over time, leading to color, texture, and odor changes. Chelating ingredients help to prevent this by capturing the metal ions and preventing them from reacting with the other ingredients in the product.
In addition, chelating ingredients can help enhance preservatives' effectiveness by preventing them from being deactivated by metal ions.
Chelating Ingredients in Other Products
Chelating ingredients can be used in food and beverages to control metal ions affecting taste, color, and texture. For example, they stabilize colors in canned fruits and vegetables and prevent oxidation in wine.
Chelating agents are used in pharmaceutical products to help improve their stability and shelf life. They can help to prevent metal-catalyzed degradation and enhance the effectiveness of certain drugs.
Types of Chelating Ingredients
Here are some of the most common types of chelating ingredients:
Amino acids and peptides: These compounds contain functional groups that can form coordination bonds with metal ions, such as carboxylic acid and amine groups.
Polycarboxylic acids: These are complex organic acids with multiple carboxylic acid functional groups that can form strong chelating complexes with metal ions.
Organic acids: These include citric acid, acetic acid, and oxalic acid, which can form chelating complexes with metal ions.
Sugars and sugar acids: These include compounds such as glucose, fructose, and gluconic acid, which can form chelating complexes with metal ions.
Polyamines: These are organic compounds with multiple amine functional groups that can form coordination bonds with metal ions.
Hydroxycarboxylic acids: These include compounds such as gluconic acid and tartaric acid, which can form chelating complexes with metal ions.
Sulfonic acids: These are organic acids containing functional groups that can form chelating complexes with metal ions.
Phosphates: These include compounds such as phosphoric acid, which can form chelating complexes with metal ions.
Safety
Remember, always read and follow the instructions provided on product labels carefully. If you have any questions or concerns about using a product containing various ingredients, consult with your doctor or healthcare provider before use.