StructureEthylenediaminetetraacetic acid disodium salt (EDTA 2Na)
CAS No. 6381-92-6
EC No. 205-358-3
Synonyms INCI: Disodium EDTA; Isodium dihydrogen ethylenediaminetetraacetate; Edetic acid disodium salt; EDTA disodium salt; (Ethylenedinitrilo)tetraacetic acid disodium salt; Disodium Edetate

Ethylenediaminetetraacetic acid disodium salt (EDTA 2Na)

​EDTA Na2 (ethylenediaminetetracetic acid disodium) is a chelating agent, used to sequester and decrease the reactivity of metal ions that may be present in many industrial and personal care products.

Industrial Applications

  • EDTA Na2 is used in cleaners, detergent, fertilizers, fixer solution for development of colour film, water cleaner and pH modifier. It is also used in redox reaction for the polymerization of butyl benzene rubber, it is used as part of activator for the control of polymerization speed.

Personal Care Applications

  • EDTA Na2 is used in Cosmetics to increase effectiveness and improve stability of bar and solid soaps, bath preparations; creams, oils, hair care products and many other personal care formulations.

EDTA Na2 is difficultly biodegradable and hazardous for water. 

Connect Chemicals offer valid and effective alternatives to EDTA Na2, please see the product pages of H-Quest and GLDA, both 100% biodegradable and obtained from bio-feedstock.


Shelf Life

Under proper storage conditions, the shelf life is 24 months 

Health & Safety

Detailed information on the product described can be found in our relevant Health and Safety Information (Material Safety Data Sheet)