Sodium Isobutylparaben

AKA: Sodium isobutyl 4-oxidobenzoate, 84930-15-4, SODIUM ISOBUTYLPARABEN [INCI]
Synthetic
Preservative
Not Clean
OriginDerived from p-hydroxybenzoic acid, a compound synthesized from petroleum-based or bio-based aromatic precursors. Produced through esterification of p-hydroxybenzoic acid with isobutanol, forming the paraben ester compound.
Sodium isobutyl 4-oxidobenzoate
Formula
C11H13NaO3
Mol. Weight
216.21
CAS #
84930-15-4
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Antimicrobial
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Fights Bacteria
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Restricted By
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · report published 2020
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR