Diethylhexyl Fumarate

Also known as: BRN 1729134, 2-Butenedioic acid (E)-, bis(2-ethylhexyl) ester, 2-Butenedioic acid, bis(2-ethylhexyl) ester, EINECS 205-448-2, Di(2-ethylhexyl) fumarate (+4 more)

INCI: DIETHYLHEXYL FUMARATE

Diethylhexyl Fumarate (CAS 141-02-6) is a cosmetic cosmetic ingredient functioning as Emollient, plasticizer, solvent. NOAEL 1000 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: prohibited. 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 141-02-6 →

Auto-generated CPSR Part A draft with source citations
Function
Emollient, plasticizer, solvent
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C20H36O4
MW
340.5 g/mol
EC Number
205-448-2
PubChem CID
5370325
IUPAC Name
bis(2-ethylhexyl) (E)-but-2-enedioate
InChIKey
ROPXFXOUUANXRR-BUHFOSPRSA-N

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes Permitted — no CFR restriction; limited VCRP 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 Diethylhexyl Fumarate.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Diethylhexyl Fumarate across SCCS product categories, with measured dermal absorption where available.

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner
Regulatory List Membership (1)
FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for Diethylhexyl Fumarate.

Regulatory Flags

potential-allergen

Known Synonyms

BRN 1729134 2-Butenedioic acid (E)-, bis(2-ethylhexyl) ester 2-Butenedioic acid, bis(2-ethylhexyl) ester EINECS 205-448-2 Di(2-ethylhexyl) fumarate RC Comonomer DOF Bis-(2-ethylhexyl)ester kyseliny fumarove UNII-19Q90W09ES 2-Butenedioic acid (2E)-, 1,4-bis(2-ethylhexyl) ester

Chemical Function

Softener and conditioner

Regulatory Lists

Arts and crafts/Office supplies - home office - pens and markers; detected; Europe detected; Europe; Toys and children's products detected; Europe; Toys and children's products Canada; Personal care; Substances in PCP - Canada (4/2014) Indirect additives food contact (10/2018)

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Diethylhexyl Fumarate safe in cosmetics?

Diethylhexyl Fumarate has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted.

Is Diethylhexyl Fumarate allowed in the EU?

Diethylhexyl Fumarate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Diethylhexyl Fumarate do in cosmetics?

Diethylhexyl Fumarate functions as: Emollient, plasticizer, solvent. It is classified as a cosmetic ingredient in our database. CAS number: 141-02-6.

Is Diethylhexyl Fumarate used outside cosmetics?

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

Does Diethylhexyl Fumarate have different safety status in cosmetics vs industrial chemicals?

Diethylhexyl Fumarate is prohibited in EU cosmetics but has active industrial GHS classifications (H315, H411).

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