Chloroxylenol
AKA “4-Chloro-3, 5-dimethylphenol, 88-04-0, PCMX, 5-xylenol, Benzytol, p-Chloro-m-xylenol, Ottasept, parachlorometaxylenol, 2-Chloro-m-xylenol
Preservative
Ingredient Facts
Chloroxylenol
AKA: 4-Chloro-3, 5-dimethylphenol, 88-04-0, PCMX, 5-xylenol, Benzytol, P-Chloro-m-xylenol, Ottasept, Parachlorometaxylenol, 2-Chloro-m-xylenol
Preservative · Antimicrobial · EWG: 3
Synthetic
Preservative
Not Clean
Phenol, 4-chloro-3,5-dimethyl-
Solubility 0.03
Formula
C8H9ClO
Mol. Weight
156.61
CAS #
88-04-0, 1321-23-9
Form
Liquid
State
Liquid
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.
Deodorant
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 antimicrobial compound developed in the early 20th century. Used in cosmetics, soaps, and personal care products as a broad-spectrum preservative and antibacterial agent.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
3
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
ewg-3
medical-approval
all-shades-safe
Concentration Guide
0.5%
0%1%
Reg. Limit
EU regulatory limit: 0.5%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex V (Preservatives), Entry 26.
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR