Is DM HYDANTOIN safe in cosmetics?
DM HYDANTOIN has a safety rating of "GOOD" in our database. EU status: permitted. 1 toxicological study endpoint(s) are available in our database.
DM HYDANTOIN
Also known as: 2,4-Imidazolidinedione, 5,5-dimethyl-, Dantoin DMH, NSC 8652, Dantoin 736, 5,5-Dimethyl-2,4-imidazolidinedione (+12 more)
DM HYDANTOIN (CAS 77-71-4) is a cosmetic cosmetic ingredient functioning as Hair Conditioning, Viscosity Controlling. Reported NOAEL =23.4 mg/kg bw/day in Rat (ToxValDB_ECHA_IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
View industrial chemical safety profile for CAS 77-71-4 →
Auto-generated CPSR Part A draft with source citations
Function
Hair Conditioning, Viscosity Controlling
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
5,5-dimethylimidazolidine-2,4-dione
InChIKey
YIROYDNZEPTFOL-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
Not specifically regulated
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Toxicological Studies
1 study endpoint found for DM HYDANTOIN. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.
| Endpoint | Value | Route | Species | Study Type | Source |
|---|---|---|---|---|---|
| NOAEL | =23.4 mg/kg bw/day | oral | Rat | chronic | ToxValDB_ECHA_IUCLID |
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Softener and conditioner
Surfactant (surface active agent)
Viscosity modifier
Expert Verdict
Expert safety assessment and concern-level summary for DM HYDANTOIN.
Regulatory Flags
cosing-sourced
eu-permitted
hair-conditioning
needs-enrichment
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to DM HYDANTOIN by CAS number or substance name.
Studies
1
Lowest NOAEL
23.4 mg/kg bw/day
Highest NOAEL
23.4 mg/kg bw/day
ToxValDB_ECHA_IUCLID
Known Synonyms
2,4-Imidazolidinedione, 5,5-dimethyl-
Dantoin DMH
NSC 8652
Dantoin 736
5,5-Dimethyl-2,4-imidazolidinedione
5,5-Dimethyl-Imidazolidine-2,4-dione
4,4-Dimethyl-2,5-dioxoimidazolidine
Fennosurf 300
Hydantoin, 5,5-dimethyl-
5,5-dimethylhydantoin
EC No.: 201-051-3
5-24-05-00348
BRN 0002827
Dimethylhydantoin
EINECS 201-051-3
UNII-34032MQ9RO
DMH
Chemical Function
Surfactant (surface active agent)
Viscosity modifier
Softener and conditioner
Regulatory Lists
Arts and crafts/Office supplies - home office - pens and markers; detected; Europe
inert_ingredient; non_food_use; Pesticides
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL3181806
Frequently Asked Questions
Is DM HYDANTOIN allowed in the EU?
DM HYDANTOIN EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does DM HYDANTOIN do in cosmetics?
DM HYDANTOIN functions as: Hair Conditioning, Viscosity Controlling. It is classified as a cosmetic ingredient in our database. CAS number: 77-71-4.
What is the NOAEL for DM HYDANTOIN?
The NOAEL (No Observed Adverse Effect Level) for DM HYDANTOIN is =23.4 mg/kg bw/day based on a chronic study via oral route in Rat. Source: ToxValDB_ECHA_IUCLID.
Is DM HYDANTOIN used outside cosmetics?
DM HYDANTOIN also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check DM HYDANTOIN compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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