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Chlorphenesin
AKA “104-29-0, 3-(4-Chlorophenoxy)-1, 2-propanediol, 3-(4-chlorophenoxy)propane-1, 2-diol, Chlorphenesinum, Chlorphenesine, Clorfenesina, 1, 2-Propanediol, 3-(4-chlorophenoxy)-, 3-(p-Chlorophenoxy)-1, Glycerol alpha-p-chlorophenyl ether”
Preservative
Ingredient Facts
Chlorphenesin
AKA: 104-29-0, 3-(4-Chlorophenoxy)-1, 2-propanediol, 3-(4-chlorophenoxy)propane-1, 2-diol, Chlorphenesinum, Chlorphenesine, Clorfenesina, 1, 2-Propanediol, 3-(4-chlorophenoxy)-, 3-(p-Chlorophenoxy)-1, Glycerol alpha-p-chlorophenyl ether
Preservative · Antimicrobial · EWG: 4
Synthetic
Preservative
Not Clean
1,2-Propanediol, 3-(4-chlorophenoxy)-
Effective at 0.16%
Solubility 10000
Formula
C9H11ClO3
Mol. Weight
202.63
CAS #
104-29-0
Form
Liquid
State
Solid
See origin →
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.
Preservative
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 preservative developed in the mid-20th century as an alternative to formaldehyde releasers. Introduced to cosmetics to provide antimicrobial protection with reduced irritation concerns.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
ewg-4
medical-approval
all-shades-safe
Concentration Guide
0.02%
0.3%
0.3%
0%0%
Effective Range
Reg. Limit
CIR reported use: 0.02-0.3
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR