Disodium EDTA (EDTA 2Na)

Disodium EDTA (EDTA 2Na)

• INCI Name:
  Disodium EDTA
• Chemical Name:
  Disodium Ethylenediaminetetraacetate
• CAS Number:
  139-33-3
• Molecular Formula:
  C₁₀H₁₄N₂Na₂O₈·2H₂O (Dihydrate grade)
• Appearance:
  White crystalline powder
• Chemical Type:
  Chelating Agent / Stabilizer
• Suitable For:
  Shampoos, Conditioners, Face Washes, Body Washes, Creams, Lotions, Liquid Soaps, Serums, Toners, and Cosmetic Formulations

Key Benefits:

• Binds metal ions to improve product stability
• Enhances the effectiveness of preservatives
• Helps prevent discoloration and oxidation
• Improves product shelf life
• Maintains clarity in liquid formulations
• Compatible with a wide range of cosmetic ingredients

Benefits & Uses (Short):

• Used in creams and lotions
• Ideal for shampoos and conditioners
• Suitable for face washes and body washes
• Used in liquid soaps and cleansers
• Improves stability in cosmetic formulations

Recommended Usage Level:

• Creams & Lotions: 0.05% – 0.2%
• Shampoos & Conditioners: 0.05% – 0.2%
• Face Washes & Body Washes: 0.05% – 0.2%
• Liquid Soaps: 0.05% – 0.2%
• Serums & Toners: 0.05% – 0.1%

Formulation Tip: Dissolve Disodium EDTA completely in the water phase before adding other ingredients. It performs best in formulations with a pH of approximately 4–8.

How It Works (Short):

• Chelates (binds) metal ions such as calcium, magnesium, iron, and copper that can destabilize cosmetic products
• Helps protect formulations from oxidation, colour changes, and reduced performance
• Increases the effectiveness of preservative systems by reducing interference from metal ions
• Improves the stability, clarity, and consistency of cosmetic products
• Supports longer shelf life and better product quality
• Blends exceptionally well with Optiphen, Geogard ECT, Phenoxyethanol, Glycerin, Surfactants, Emulsifiers, Hyaluronic Acid, Allantoin, Niacinamide, Panthenol, and Aloe Vera Extract

Key Benefits for Cosmetic Formulations:

• Excellent chelating agent
• Enhances preservative performance
• Improves product stability
• Reduces oxidation and discoloration
• Suitable for skincare, hair care, and cleansing products

FAQs:

Q: What is Disodium EDTA used for?
A: Disodium EDTA is used as a chelating agent to improve the stability of cosmetic formulations, enhance preservative performance, and help prevent oxidation and discoloration.

Q: Is Disodium EDTA a preservative?
A: No. It is not a preservative, but it supports preservatives by binding metal ions that can reduce their effectiveness.

Q: Can Disodium EDTA be used in shampoos and face washes?
A: Yes. It is commonly used in shampoos, conditioners, face washes, body washes, and liquid soaps to improve stability and product performance.

Q: Is Disodium EDTA water-soluble?
A: Yes. It is readily soluble in water and should be dissolved in the water phase during formulation.

Q: What ingredients blend well with Disodium EDTA?
A: Optiphen, Geogard ECT, Phenoxyethanol, Glycerin, Hyaluronic Acid, Allantoin, Niacinamide, Panthenol, Aloe Vera Extract, surfactants, and emulsifiers.