What does Disodium etidronate do?

Used in cosmetics as a chelating agent.

Is Disodium etidronate safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

beauty
cleaning
food
industrial

Disodium etidronate

CAS 29329-71-3

Also registered as 4 other CAS numbers

187285-10-5 · 1159812-97-1 · 1338481-55-2 · 7414-83-7

Concern score

Not assessed — no hazard data yet.

Disodium etidronate in plain language

What it is: Also known as Etidronate disodium · Disodium (1-hydroxyethane-1,1-diyl)bis · Etidronic acid disodium salt · Phosphonic acid, (1-HYDROXYETHYLIDENE)BIS-, disodium salt · Phosphonic acid, (1-HYDROXYETHYLIDENE)BIS-, sodium salt · (1-Hydroxyethane-1,1-diyl)diphosphonic acid disodium salt
Show all 24 names
(1-Hydroxyethylidene)bisphosphonic acid disodium salt · (1-Hydroxyethylidene)diphosphonic acid, disodium salt · 1-HYDROXYETHYLIDENE-BIS-PHOSPHONIC acid, disodium salt · 1-Hydroxyethane-1,1-diphosphonic acid disodium salt · 1-Hydroxyethylidene-1,1-diphosphonic acid disodium salt · Disodium dihydrogen (1-HYDROXYETHYLIDENE)DIPHOSPHONATE · Didronel · Diphos · Disodium (1-hydroxyethylidene)diphosphonate · Disodium 1-hydroxyethylidene phosphonate · Disodium dihydrogen (1-hydroxyethylidene)bisphosphonate · Disodium ethane-1-hydroxy-1,1-diphosphonate · Disodium ethanol-1,1-diphosphonate · Disodium ethydronate · Sodium ethidronate · Sodium ethydronate · Turpinal 2NZ · sodium etidronate
What it does: Used in cosmetics as a chelating agent.
Chelating
Chelating agent
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Disodium etidronate appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Pharma
Food
Industrial

EUCosIngActiveRestriction: III/53
- Restriction: III/53Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies, Food and drug, Personal care. EPA CPDat classifies this chemical for functional uses including Chelating agent.
- EPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies, Food and drug, Personal care. EPA CPDat classifies this chemical for functional uses including Chelating agent.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Disodium etidronate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

No graded research studies for Disodium etidronate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated November 2014
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

Reference links (1)

Openfda substance

moldb.nihs.go.jp

Read →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Disodium etidronate in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Laboratory suppliesFood and drugPersonal care

Typical roles

ChelatingChelating agent

See products using Disodium etidronate →

Catalog

Found in these products

Their ingredient lists include Disodium etidronate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 7 →Find products without it →