Good Cosmetic Ingredient

Arachidyl/Behenyl Betainate Mesylate

INCI: ARACHIDYL/BEHENYL BETAINATE MESYLATE

CAS Number
Not publicly assigned (proprietary quaternary ammonium salt)
Function
Hair conditioning, antistatic
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted; same regulatory posture as the esylate salt

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Mesylate counterion with same EMA genotoxic impurity flag as esylate. Methyl methanesulfonate (MMS) is a known genotoxic impurity that can form during synthesis; suppliers must provide certificates confirming MMS levels below ICH M7 thresholds.

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Concern Level: High

Frequently Asked Questions

Is Arachidyl/Behenyl Betainate Mesylate safe in cosmetics?

Mesylate counterion with same EMA genotoxic impurity flag as esylate. Methyl methanesulfonate (MMS) is a known genotoxic impurity that can form during synthesis; suppliers must provide certificates confirming MMS levels below ICH M7 thresholds. The EU classifies Arachidyl/Behenyl Betainate Mesylate as "permitted". Safety rating: GOOD.

Is Arachidyl/Behenyl Betainate Mesylate allowed in the EU?

Arachidyl/Behenyl Betainate Mesylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Arachidyl/Behenyl Betainate Mesylate do in cosmetics?

Arachidyl/Behenyl Betainate Mesylate functions as: Hair conditioning, antistatic. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (proprietary quaternary ammonium salt).

What is the Margin of Safety for Arachidyl/Behenyl Betainate Mesylate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

Compliance Tools

Check Arachidyl/Behenyl Betainate Mesylate compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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