Chlorothymol

AKA: 4-Chloro-2-isopropyl-5-methylphenol, 89-68-9, 6-Chlorothymol, 4-Chlorothymol, Chlorthymol, Phenol, 4-Chloro-6-isopropyl-3-methylphenol
Synthetic
Preservative
Not Clean
OriginChlorothymol belongs to the halogenated phenolic compounds chemical family, synthesized from thymol precursors. It is produced through chlorination of thymol or related phenolic compounds using chlorinating agents.
Phenol, 4-chloro-5-methyl-2-(1-methylethyl)-
Formula
C10H13ClO
Mol. Weight
184.66
CAS #
89-68-9
Form
Liquid
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.
Antiplaque
Denaturant
Deodorant
Oral Care
Fights Bacteria
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.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not Phototoxic (CIR Panel on the ingredient group)
CIR Panel statement covering this group of ingredients; not tested individually (CIR 277)
Not an Eye Irritant
1 study / 1 not irritating (CIR 277)
Not a Skin Irritant
1 study / 1 not irritating (CIR 277)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 277)
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
murphy