Sodium p-Chloro-m-Cresol

AKA: Sodium p-chloro-m-cresolate, Phenol, Sodium salt, PREVENTOL CMK SODIUM SALT, 4-CHLORO-M-CRESOL, SODIUM SALT, Sodium salt (1:1)
Synthetic
Preservative
Not Clean
3-Methyl-4-Chlorophenol, Sodium salt
Formula
C7H6ClNaO
Mol. Weight
164.56
CAS #
15733-22-9
Form
Powder
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
Traditional Use
A synthetic antimicrobial agent developed in the early 20th century as a preservative and disinfectant. Used in cosmetics and personal care products from the mid-1900s onward to prevent bacterial and fungal contamination.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewednone on file
⚖️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