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.
- beauty
- cleaning
- industrial
1,3-Butadiene
CAS 106-99-0 · 100/100 · High conf.
Monomers · No specific technical function · Olefins/unsaturated
Concern score
100/100Critical concern driven by cmr.
Well researched
Why it's flagged
- Cmr
Buta-1,3-diene, see also entries 464-611 is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.
RestrictedEU EC — banned
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.
Regulation
Restrictions first, then routine listings from published regulatory sources.
- commercial_presence
- consumer_product_presence
- cpdat_category:cleaning|industrial
- definition_level:complete
- definition_type:primary
- eu_annex:II
- eu_cmr
- eu_cosmetic_banned
- View source →banned
EUEC
Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products. CMR: Carcinogenic Cat. 1A(),Mutagenic Cat. 1B()
USEPAcommercial use observedEPA CPDat observed this chemical in 91 composition records across product categories including Raw materials, Construction, Construction and building materials. EPA CPDat classifies this chemical for functional uses including No specific technical function, Monomers, olefins/unsaturated.
- EPA CPDat observed this chemical in 91 composition records across product categories including Raw materials, Construction, Construction and building materials. EPA CPDat classifies this chemical for functional uses including No specific technical function, Monomers, olefins/unsaturated.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence
No graded sources yet for 1,3-Butadiene. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Where it appears
Prevalence of 1,3-Butadiene in our catalog (epa_cpdat).
Products
91
Brands
6
Raw materialsConstructionConstruction and building materialsHome maintenanceVehicleIndustrial products
Typical roles
MonomersNo specific technical functionOlefins/unsaturated
