Fragrance avoidance
Nothing to weigh for this context yet.
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.
- beauty
- industrial
Itaconic acid
CAS 25119-64-6
Also registered as 2 other CAS numbers
1887074-72-7 · 97-65-4
Concern score
Not assessed — no hazard data yet.
Itaconic acid in plain language
Also known as Methylenebutanedioic acid · 2-Methylidenebutanedioic acid · Butanedioic acid, methylene- · Succinic acid, methylene- · 2-Methylenebutanedioic acid · 2-Methylenesuccinic acid
Show all 17 names
2-Propene-1,2-dicarboxylic acid · 4-Hydroxy-2-methylene-4-oxobutanoic acid · Acide itaconique · Butanedioic acid, 2-methylene- · Itaconicacid · Methylenesuccinic acid · Propylenedicarboxylic acid · hydron;2-methylidenebutanedioate · itaconate · methylene succinic acid · methylidenebutanedioate
Used in cosmetics as an antimicrobial, an emollient and a skin-conditioning agent.
- Antimicrobial
- Emollient
- Skin conditioning
- Buffering
- pH adjuster
- Conditioner
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Itaconic acid appears in these published regulatory listings.
- Found in consumer products
- Industrial
EUCosIngActiveItaconic Acid is the organic compound that conforms to the formula
- Itaconic Acid is the organic compound that conforms to the formulaSource →
USEPAcommercial use observedEPA CPDat observed this chemical in 3 composition records across product categories including Construction and building materials, Furniture and furnishings, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Biocide, pH regulating agent.
- EPA CPDat observed this chemical in 3 composition records across product categories including Construction and building materials, Furniture and furnishings, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Biocide, pH regulating agent.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
No expert opinion on file for Itaconic acid. 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.
Evidence & sources
No graded research studies for Itaconic acid yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated 23 March 2010
- 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 →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed Itaconic acid in a product composition. These are source records, not Greenveil catalog products.
Source records
3
Named organisations
4
Construction and building materialsFurniture and furnishingsLaboratory supplies
Typical roles
AntimicrobialEmollientSkin conditioningBufferingpH adjusterConditioner