How we scored it
Where it comes from
Made from acetic acid/anhydride and phosphorus trichloride to build the phosphonate backbone, partially neutralised with sodium hydroxide.
In plain English
Disodium etidronate binds trace metals to keep a formula stable. Its core structure comes from synthetic industrial chemistry, with a small amount of sodium added.
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Structure
disodium;hydroxy-[1-hydroxy-1-[hydroxy(oxido)phosphoryl]ethyl]phosphinate
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2Disodium Etidronate. PubChem CID 23894. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3DISODIUM ETIDRONATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4DISODIUM ETIDRONATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DISODIUM%20ETIDRONATE