DEDM Hydantoin

Also known as: 1,3-Di(hydroxyethyl)-5,5-dimethylhydantoin, EINECS 248-052-5

INCI: DEDM HYDANTOIN

DEDM Hydantoin (CAS 26850-24-8) is a cosmetic cosmetic ingredient functioning as Preservative — antimicrobial (formaldehyde donor). EU Regulation 1223/2009 status: permitted, max 0.6%. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 26850-24-8 →

Auto-generated CPSR Part A draft with source citations
Function
Preservative — antimicrobial (formaldehyde donor)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C9H16N2O4
MW
216.23 g/mol
EC Number
248-052-5
PubChem CID
117879
IUPAC Name
1,3-bis(2-hydroxyethyl)-5,5-dimethylimidazolidine-2,4-dione
InChIKey
ATIAIEWDRRJGSL-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
EU Max Conc. 0.6%
US US Status permitted
US Notes Permitted — not on FDA prohibited list; DMDM hydantoin is CIR-assessed, but DEDM hydantoin has less individual data

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for DEDM Hydantoin.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
No longer valid
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Biocide Chemical reaction regulator

Expert Verdict

Expert safety assessment and concern-level summary for DEDM Hydantoin.

Regulatory Flags

potential-allergen preservative

Known Synonyms

1,3-Di(hydroxyethyl)-5,5-dimethylhydantoin EINECS 248-052-5

Chemical Function

Biocide Chemical reaction regulator

Australian Status

AICIS status: listed

Frequently Asked Questions

Is DEDM Hydantoin safe in cosmetics?

DEDM Hydantoin has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is DEDM Hydantoin allowed in the EU?

DEDM Hydantoin EU regulatory status: permitted. Maximum allowed concentration: 0.6%. This is based on EU Regulation 1223/2009 and its amendments.

What does DEDM Hydantoin do in cosmetics?

DEDM Hydantoin functions as: Preservative — antimicrobial (formaldehyde donor). It is classified as a cosmetic ingredient in our database. CAS number: 26850-24-8.

Is DEDM Hydantoin used outside cosmetics?

DEDM Hydantoin also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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