Is Butyl PABA safe in cosmetics?
Butyl PABA has a safety rating of "POOR" in our database. EU status: restricted. US status: permitted.
Poor
Cosmetic Ingredient
Butyl PABA
INCI: BUTYL PABA
Butyl PABA (CAS 94-25-7) is a cosmetic cosmetic ingredient functioning as UV absorber / UV filter. EU Regulation 1223/2009 status: restricted, max 5%. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
View industrial chemical safety profile for CAS 94-25-7 →
Auto-generated CPSR Part A draft with source citations
Function
UV absorber / UV filter
Safety Rating
POOR
Chemistry & Identifiers
IUPAC Name
butyl 4-aminobenzoate
InChIKey
IUWVALYLNVXWKX-UHFFFAOYSA-N
Regulatory Status
EU EU Status
restricted
EU Max Conc.
5%
US US Status
permitted
US Notes
Questionable — endocrine disruption concerns (thyroid activity alteration), photoallergy profile limits safe use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Butyl PABA.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Butyl PABA.
Regulatory Flags
potential-allergen
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Compound
BUTAMBEN
ChEMBL ID
CHEMBL127516
Max Phase
4
Frequently Asked Questions
Is Butyl PABA allowed in the EU?
Butyl PABA EU regulatory status: restricted. Maximum allowed concentration: 5%. This is based on EU Regulation 1223/2009 and its amendments.
What does Butyl PABA do in cosmetics?
Butyl PABA functions as: UV absorber / UV filter. It is classified as a cosmetic ingredient in our database. CAS number: 94-25-7.
Is Butyl PABA used outside cosmetics?
Butyl PABA also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Butyl PABA compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Is Butyl PABA in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Butyl PABA in your formulation.