Is Methylbenzethonium Chloride safe in cosmetics?
Methylbenzethonium Chloride has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Methylbenzethonium Chloride
Also known as: Benzenemethanaminium, N,N-dimethyl-N-(2-(3-(methyl -4-(1,1,3,3-tetramethylbutyl)phenoxy)ethoxy)ethyl) -, chloride (1:1), Ammonium, benzyldimethyl[2-[2-[[4-(1,1,3,3-tetramethylbutyl)tolyl]oxy]ethoxy]ethyl]-, chloride, Benzenemethanaminium, N,N-dimethyl-N-[2-[2-[methyl-4-(1,1,3,3-tetramethylbutyl)phenoxy]ethoxy]ethyl]-, chloride, Benzyldimethyl[2-[2-[[4-(1,1,3,3-tetramethylbutyl)tolyl]oxy]ethoxy]ethyl]ammonium chloride, 2-(2-(p-(Diisobutyl)cresoxy)ethoxy)ethyldimethylbenzylammonium chloride (+14 more)
INCI: METHYLBENZETHONIUM CHLORIDE
Methylbenzethonium Chloride (CAS 25155-18-4) is a cosmetic cosmetic ingredient functioning as Antimicrobial, antistatic, deodorant, surfactant-cleansing. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 25155-18-4 →
Auto-generated CPSR Part A draft with source citations
Function
Antimicrobial, antistatic, deodorant, surfactant-cleansing
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not GRAS/GRAE for consumer antiseptic wash products (FDA Final Rule, September 2016). As a cosmetic ingredient (non-drug use), it remains permitted. CIR has reviewed the broader benzethonium chloride family - safe at concentrations up to 0.5% (0.02% for eye-area products)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Methylbenzethonium Chloride.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Anti-static agent
Biocide
Deodorizer
Surfactant (surface active agent)
Expert Verdict
Expert safety assessment and concern-level summary for Methylbenzethonium Chloride.
Known Synonyms
Benzenemethanaminium, N,N-dimethyl-N-(2-(3-(methyl -4-(1,1,3,3-tetramethylbutyl)phenoxy)ethoxy)ethyl) -, chloride (1:1)
Ammonium, benzyldimethyl[2-[2-[[4-(1,1,3,3-tetramethylbutyl)tolyl]oxy]ethoxy]ethyl]-, chloride
Benzenemethanaminium, N,N-dimethyl-N-[2-[2-[methyl-4-(1,1,3,3-tetramethylbutyl)phenoxy]ethoxy]ethyl]-, chloride
Benzyldimethyl[2-[2-[[4-(1,1,3,3-tetramethylbutyl)tolyl]oxy]ethoxy]ethyl]ammonium chloride
2-(2-(p-(Diisobutyl)cresoxy)ethoxy)ethyldimethylbenzylammonium chloride
Diaparene chloride
Hyamine 10X
Hyamina 10
Benzyldimethyl(2-(2-((4-(1,1,3,3-tetramethylbutyl)tolyl)oxy)ethoxy)ethyl)ammonium chloride
Caswell No. 355
Diisobutylcresoxyethoxyethyl dimethyl benzyl ammonium chloride
EINECS 246-675-7
EPA Pesticide Chemical Code 069134
Octyl cresoxyethoxyethyl dimethyl benzyl ammonium chloride
Chlorure de methylbenzethonium
Cloruro de metilbenzetonio
Methylbenzethonii chloridum
Metilbenzetonio cloruro
UNII-4XKK0M5H9M
Chemical Function
Surfactant (surface active agent)
Biocide
Anti-static agent
Deodorizer
Regulatory Lists
Canada; consumer_product; Substances in Products - Canada (4/2014)
pharmaceutical
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Methylbenzethonium Chloride allowed in the EU?
Methylbenzethonium Chloride EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Methylbenzethonium Chloride do in cosmetics?
Methylbenzethonium Chloride functions as: Antimicrobial, antistatic, deodorant, surfactant-cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 25155-18-4.
Compliance Tools
Check Methylbenzethonium Chloride compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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