Sequestrants

Etidronic Acid

  • CAS No.- 2809-21-4
  • INCI.- Etidronic Acid

Etidronic acid is used as a chelating agent in cosmetics. It forms complexes with calcium, arsenic, iron and other metal ions to neutralize them. This allows you to manage the use of slightly "hard" water, which could, for example, affect the surfactants of the product. Chelators are often used in softeners. This molecule is safe for human health, but has the disadvantage is that, like EDTA, it is very poorly biodegradable and the complexes it forms with metals are scattered in nature.

Recommended use concentration

max 1.5 % in skin and hair care products (in Etidronic acid) max 0.2 % in soap (in Etidronic acid)

Solubility

Soluble in water

Specifications

AppearanceColorless to pale yellow transparent liquid
OdorOdorless
Active content (% HEDP)58 – 62

Benefits
• Easy to handle
• Good efficacy against ion metals
• Good stability

APPLICATIONS

Cosmetics

  • Skin care
  • Hair care
  • Make up
  • Toiletries
  • Baby care
  • Sun care

Fragrances
Pharmaceuticals
Natural extracts