Steapyrium Chloride

AKA: 14492-68-3, 1-[2-oxo-2-[[2-[(1-oxooctadecyl)oxy]ethyl]amino]ethyl]pyridinium chloride, Quaternium 7, Quaternium-7, Emcol E 607S, CATEMOL WPC
Plant-Derived
Preservative
Clean
1-[2-Oxo-2-[[2-[(1-oxooctadecyl)oxy]ethyl]amino]ethyl]pyridinium chloride
Formula
C27H47ClN2O3
Mol. Weight
483.10
CAS #
14492-68-3, 1341-08-8
Form
Liquid
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.
Antistatic
Fights Bacteria
Traditional Use
Synthetic quaternary ammonium compound developed for cosmetics. Created as a hair and skin conditioning agent in the mid-to-late 20th century, designed to provide static control and conditioning benefits in hair care formulations.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
Data: PubChem · CosIng · EWG · CIR