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
Butyl-1,1'-biphenyl
CAS 41638-55-5
Concern score
Not assessed — no hazard data yet.
Why it's flagged
EPA CPDat observed this chemical in 56 composition records across product categories including Personal care.
Regulation
No restrictions found. Butyl-1,1'-biphenyl appears in these published regulatory listings.
- commercial_presence
- consumer_product_presence
- cpdat_category:beauty|cleaning
- definition_level:complete
- definition_type:primary
- ingredient_type:ingredient substance
- substance_class:mixture
- substance_type:mixture
USEPAcommercial use observedEPA CPDat observed this chemical in 56 composition records across product categories including Personal care.
- EPA CPDat observed this chemical in 56 composition records across product categories including Personal care.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
- openFDA substance registry classifies this ingredient as mixture.Source →
Evidence
No graded sources yet for Butyl-1,1'-biphenyl. 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 Butyl-1,1'-biphenyl in our catalog (epa_cpdat).
Products
56
Brands
6
Personal care
See products using Butyl-1,1'-biphenyl →