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INGREDIENT DICTIONARY

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Disodium EDTA

INCI: Disodium EDTA | CAS #: 139-33-3
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Disodium EDTA is a chelating agent used in cosmetic formulations to improve stability and support preservation systems.

What is Disodium EDTA & why is it used?

Disodium EDTA is used in formulations to bind trace metal ions that can negatively impact stability and preservation performance.

QUALITY MATTERS

Why specification quality matters

High-purity cosmetic grade disodium EDTA with verified assay (99.24%), supporting consistent formulation performance. 

Solubility Water soluble
Primary function Additive
Use level 0.05–0.2%

Behaviour in formulations

Disodium EDTA integrates into aqueous systems and functions as a technical stabilising agent.

 

Sensory notes

Disodium EDTA does not impact sensory profile and functions purely as a technical support ingredient.

 

Formulation considerations

PROCESSING

Add to the water phase with mixing until fully dissolved.

COMPATIBILITY
  • Compatible with most cosmetic ingredients
  • Works well with preservation systems
  • Suitable for both simple and complex formulations
pH
Effective across a wide pH range.
FORMULATION EXAMPLES

Cleanser system

  •  Disodium EDTA: 0.1%
  • Surfactant system
  • Preservative system

Emulsion system

  • Disodium EDTA: 0.05–0.1%
  • Oil and water phases
  • Preservative system

Use level considerations

Recommended range 0.05–0.2%
Suggested starting level 0.1% for most cosmetic formulations%

Typically used at 0.05–0.2% as part of a complete formulation system.

Formulation summary

Disodium EDTA is a functional support ingredient that improves stability and preservation system performance.

Quality notes

High-purity cosmetic grade disodium EDTA with verified assay (99.24%), supporting consistent formulation performance. 

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