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  • cleaning
  • industrial

2,​4-​Imidazolidinedione, (hydroxymethyl)​-​5,​5-​dimethyl-

CAS 27636-82-4

Also registered as 1 other CAS number

28453-33-0

Concern score

Not assessed — no hazard data yet.

2,​4-​Imidazolidinedione, (hydroxymethyl)​-​5,​5-​dimethyl- in plain language

What it is

Also known as (HYDROXYMETHYL)-5,5-DIMETHYL-2,4-IMIDAZOLIDINEDIONE · MDM Hydantoin · (HYDROXYMETHYL)-5,5-DIMETHYLHYDANTOIN · Hydantoin, (HYDROXYMETHYL)-5,5-DIMETHYL- · Monomethylol dimethyl hydantoin · 2,4-Imidazolidinedione, (hydroxymethyl)-5,5-dimethyl-

Show all 10 names

Dantoguard 2000 · Dantoin 685 · HYDROXYMETHYL-5,5-DIMETHYLHYDANTOIN · Mdmh

What it does

Used in consumer products as a preservative.

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

Regulation

No restrictions found. 2,​4-​Imidazolidinedione, (hydroxymethyl)​-​5,​5-​dimethyl- appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1 composition records across product categories including Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Preservative.
    • EPA CPDat observed this chemical in 1 composition records across product categories including Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Preservative.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Evidence & sources

No graded research studies for 2,​4-​Imidazolidinedione, (hydroxymethyl)​-​5,​5-​dimethyl- yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated January 7, 2008

    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 →

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 2,​4-​Imidazolidinedione, (hydroxymethyl)​-​5,​5-​dimethyl- in a product composition. These are source records, not Greenveil catalog products.

Source records

1

Named organisations

4

Cleaning and safety

Typical roles

Preservative
See products using 2,​4-​Imidazolidinedione, (hydroxymethyl)​-​5,​5-​dimethyl- →

Catalog

Found in these products

Their ingredient lists include 2,​4-​Imidazolidinedione, (hydroxymethyl)​-​5,​5-​dimethyl-; each product's own rating depends on its whole formula, so it is shown on the product page, not here.