Cetalkonium Chloride

Also known as: Benzyl hexadecyl dimethyl ammonium chloride, Acinol, CDBAC, Dimethylhexadecylbenzyl ammonium chloride, EINECS 204-526-3 (+5 more)

INCI: CETALKONIUM CHLORIDE

Cetalkonium Chloride (CAS 122-18-9) is a cosmetic cosmetic ingredient functioning as Antimicrobial, Antistatic, Preservative. EU Regulation 1223/2009 status: restricted, max 0.1%. 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 122-18-9 →

Auto-generated CPSR Part A draft with source citations
Function
Antimicrobial, Antistatic, Preservative
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C25H46ClN
MW
396.1 g/mol
EC Number
204-526-3
PubChem CID
31202
IUPAC Name
benzyl-hexadecyl-dimethylazanium chloride
InChIKey
SXPWTBGAZSPLHA-UHFFFAOYSA-M

Regulatory Status

EU EU Status restricted
EU Max Conc. 0.1%
US US Status permitted
US Notes Listed as antimicrobial/preservative; quaternary ammonium compound

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

1 property record from structured ingredient metadata.

ecotoxicity
{"biodegradable": "partial", "biodegradation_days": "90-180", "bioaccumulative": "yes", "aquatic_toxicity_level": "high", "coral_reef_safe": "no", "marine_toxicity": "toxic to aquatic organisms", "freshwater_toxicity": "bioaccumulative", "endocrine_disruptor": "no", "persistent_organic_pollutant": "yes", "microplastic": "no", "nano_particle": "no", "hawaii_banned": "no", "eu_restricted_environment…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Anti-static agent Biocide Preservative Surfactant (surface active agent)

Expert Verdict

Expert safety assessment and concern-level summary for Cetalkonium Chloride.

Regulatory Flags

potential-allergen preservative

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Cetalkonium Chloride by CAS number or substance name.

Studies
6
Lowest NOAEL
50 mg/kg bw/day
Highest NOAEL
100 mg/kg bw/day
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Known Synonyms

Benzyl hexadecyl dimethyl ammonium chloride Acinol CDBAC Dimethylhexadecylbenzyl ammonium chloride EINECS 204-526-3 NSC 32942 Rodalon Cetalconio cloruro Cetalkonii chloridum UNII-85474O1N9D

Chemical Function

Surfactant (surface active agent) Biocide Preservative Anti-static agent

Regulatory Lists

pharmaceutical active_ingredient; Europe; Pesticides

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
CETALKONIUM CHLORIDE
ChEMBL ID
CHEMBL1644450
Max Phase
2
Adverse Event Associations
28
View full pharmaceutical profile →

Frequently Asked Questions

Is Cetalkonium Chloride safe in cosmetics?

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

Is Cetalkonium Chloride allowed in the EU?

Cetalkonium Chloride EU regulatory status: restricted. Maximum allowed concentration: 0.1%. This is based on EU Regulation 1223/2009 and its amendments.

What does Cetalkonium Chloride do in cosmetics?

Cetalkonium Chloride functions as: Antimicrobial, Antistatic, Preservative. It is classified as a cosmetic ingredient in our database. CAS number: 122-18-9.

Is Cetalkonium Chloride used outside cosmetics?

Cetalkonium Chloride 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.

Does Cetalkonium Chloride have different safety status in cosmetics vs industrial chemicals?

Cetalkonium Chloride is classified GHS Danger (H302, H312, H314, H318, H400, H410, H372, H401) in the chemicals database but is restricted in EU cosmetics at max 0.1%.

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