Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
CAS 41137-60-4 · 70/100 · High conf.
58608-10-9 · 89592-24-5 · 122367-37-7 · 220896-20-8 · 1702311-29-2 · 2308576-69-2 · 2419918-88-8 · 72869-86-4
Concern score
On cosmetic ingredient lists it appears as “Di-hema trimethylhexyl dicarbamate”.
Also known as Di-hema trimethylhexyl dicarbamate · Urethane dimethacrylate · Diurethane Dimethacrylate(Mixture of Isomers) · Ec 276-957-5 · NF 501 · Rohamere 6661-0
Triad gel · Udma
Used in cosmetics as a nail sculpting agent.
11,14-Dioxa-2,9-diazaheptadec-16-enoic Acid, 4,4,6,16-tetramethyl-10,15-dioxo, 2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl ester is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.
RestrictedEU EC — restricted
The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.
Restrictions first, then routine listings from published regulatory sources.
EUEC
Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: Nail products Other conditions: Professional use only Conditions of use and warnings: For professional use only. Can cause an allergic reaction.
No expert opinion on file for 11,14-Dioxa-2,9-diazaheptadec-16-enoic Acid, 4,4,6,16-tetramethyl-10,15-dioxo, 2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl ester. 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.
No graded research studies for 11,14-Dioxa-2,9-diazaheptadec-16-enoic Acid, 4,4,6,16-tetramethyl-10,15-dioxo, 2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl ester yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
CosIng
regulatory · updated 2026-09-23
EU CosIng Cosmetics Regulation Annexes
regulatory · updated 2020-11-24
EPA Chemical and Products Database
exposure · updated 2019-02-27
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
FDA GSRS UNII
registry · updated 2026-02-26
openFDA Substance
registry · updated 2026-05-24
PubChem Live Enrichment
chemistry · updated 2026-05-17
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
How often EPA CPDat has listed 11,14-Dioxa-2,9-diazaheptadec-16-enoic Acid, 4,4,6,16-tetramethyl-10,15-dioxo, 2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl ester in a product composition. These are source records, not Greenveil catalog products.
Source records
1
Typical roles