Butylparaben
molecular structure · PubChem
AKA: Butyl 4-hydroxybenzoate, 94-26-8, Butyl paraben, Butyl p-hydroxybenzoate, Butoben, Nipabutyl, Butyl chemosept, Butyl parasept, Tegosept B
Synthetic
Preservative
Not Clean
Butylparaben is a preservative and flavouring agent. Butylparaben has been shown to exhibit anti-microbial function Butylparaben belongs to the family of Hydroxybenzoic Acid Derivatives. These are compounds containing an hydroxybenzoic acid (or a derivative), which is a benzene ring bearing a carboxylic acid. (A3205).
Effective at 0.03%
Formula
C11H14O3
Mol. Weight
194.23
CAS #
94-26-8
Functions
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Prevents microbial growth
Provides scent
Traditional Use
Insufficient information provided to describe traditional or historical use.
EWG
9
CIR
Safe as used
Pregnancy
—
Restricted By
CIR Safety Findings
ewg-9
medical-approval
Phototoxicity Concern
Concentration Guide
1.2e-05%
0.062%
0.14%
0%2%
Reported use
Reg. Limit
EU/SCCS limit: 0.14% in oral, children. Opinion: SCCS/1674/25 | CIR reported use: 0.000012-0.062
Regulatory Agencies
🧂Conflict of interest.
Skin Types
●Good for
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026 · 🧪 = conflict
Data: PubChem · CosIng · EWG · CIR