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GREENVEIL

  • cleaning

Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:x)

CAS 29329-71-3

Also registered as 1 other CAS number

1338481-54-1

Concern score

Not assessed — no hazard data yet.

Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:x) in plain language

What it is

Also known as (1-Hydroxyethylidene)bisphosphonic acid, sodium salt · 1-Hydroxyethane-1,1-diphosphonic acid sodium salt · 1-Hydroxyethylidene-1,1-diphosphonic acid sodium salt · 1-Hydroxyethylidenediphosphonic acid sodium salt · Hydroxyethane-1,1-diphosphonic acid sodium salt · Phosphonic acid, (1-hydroxyethylidene)bis-, sodium salt

Show all 8 names

Phosphonic acid, (1-hydroxyethylidene)di-, sodium salt · Sodium 1-hydroxyethane-1,1-diphosphonate

What it does

Used in consumer products as a chelating agent.

  • Chelating agent
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:x) appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • USEPAcommercial use observedEPA CPDat observed this chemical in 29 composition records across product categories including Construction and building materials, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Chelating agent.
    • EPA CPDat observed this chemical in 29 composition records across product categories including Construction and building materials, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Chelating agent.Source →

Evidence & sources

No graded research studies for Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:x) yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2020-03-27

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

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

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 Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:x) in a product composition. These are source records, not Greenveil catalog products.

Source records

29

Named organisations

3

Construction and building materialsCleaning products and household care

Typical roles

Chelating agent
See products using Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:x) →