Chlorothymol

Also known as: 4-Chloro-2-isopropyl-5-methylphenol, 4-06-00-03344, BRN 2084453, Caswell No. 216, 4-Chloro-6-isopropyl-3-methylphenol (+8 more)

INCI: CHLOROTHYMOL

Chlorothymol (CAS 89-68-9) is a cosmetic cosmetic ingredient functioning as Preservative, denaturant, deodorizing agent, oral care agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 89-68-9 →

Auto-generated CPSR Part A draft with source citations
Function
Preservative, denaturant, deodorizing agent, oral care agent
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C10H13ClO
MW
184.66 g/mol
PubChem CID
6982
IUPAC Name
4-chloro-5-methyl-2-propan-2-ylphenol
InChIKey
KFZXVMNBUMVKLN-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not specifically restricted by FDA; permitted under general cosmetic ingredient provisions; no specific monograph

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Chlorothymol.

Calculate MoS for your specific formulation with the MoS Calculator.

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

BRIN Brazil/India Cosmetics
Brazil: Permitted Preservative · max 0,1%
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
BR permitted_preservative 0.1 Not in children's products

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Biocide Deodorizer Pharmaceutical Preservative

Expert Verdict

Expert safety assessment and concern-level summary for Chlorothymol.

Regulatory Flags

preservative endocrine_disruptor

Known Synonyms

4-Chloro-2-isopropyl-5-methylphenol 4-06-00-03344 BRN 2084453 Caswell No. 216 4-Chloro-6-isopropyl-3-methylphenol 4-Chlorothymol Chlorthymol EINECS 201-930-1 EPA Pesticide Chemical Code 080403 NSC 406261 4-Chlor-2-isopropyl-5-methylphenol UNII-LJ25TI0CVT Phenol, 4-chloro-5-methyl-2-(1-methylethyl)-

Chemical Function

Biocide Deodorizer Pharmaceutical Preservative

Regulatory Lists

active_ingredient; Australia

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
CHLOROTHYMOL
ChEMBL ID
CHEMBL1441646
Max Phase
-1
View full pharmaceutical profile →

Frequently Asked Questions

Is Chlorothymol safe in cosmetics?

Chlorothymol has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Chlorothymol allowed in the EU?

Chlorothymol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Chlorothymol do in cosmetics?

Chlorothymol functions as: Preservative, denaturant, deodorizing agent, oral care agent. It is classified as a cosmetic ingredient in our database. CAS number: 89-68-9.

Is Chlorothymol used outside cosmetics?

Chlorothymol also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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