Sodium Diethylenetriamine Pentamethylene Phosphonate in cosmetics: what it is and what it does

What does Sodium Diethylenetriamine Pentamethylene Phosphonate do in a product?

In a cosmetic product, Sodium Diethylenetriamine Pentamethylene Phosphonate binds metals in water so the product stays stable. The EU’s CosIng database lists this job for it: chelating.

What other names and numbers does Sodium Diethylenetriamine Pentamethylene Phosphonate have?

CAS number

22042-96-2

EC number

244-751-4

CosIng reference

59068

Which products contain Sodium Diethylenetriamine Pentamethylene Phosphonate?

Open Beauty Facts finds Sodium Diethylenetriamine Pentamethylene Phosphonate in the ingredient lists of 6 of the 22,021 products it has a list for.

Products with it, by country of sale: Australia 6 · Germany 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Sodium Diethylenetriamine Pentamethylene Phosphonate turns up, not how much of the market it is.

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check