Cetrimonium Stearate

INCI: CETRIMONIUM STEARATE

Cetrimonium Stearate (CAS 124-23-2) is a cosmetic cosmetic ingredient functioning as Cationic Emulsifier, Hair Conditioning, Antistatic. EU Regulation 1223/2009 status: permitted.

CAS Number
124-23-2
Function
Cationic Emulsifier, Hair Conditioning, Antistatic
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C37H77NO2
MW
568 g/mol
PubChem CID
31290
IUPAC Name
hexadecyl(trimethyl)azanium;octadecanoate
InChIKey
DXQWPBNWAKTXPF-UHFFFAOYSA-M

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR 2012: trimoniums safe when formulated to be nonirritating. Covered via structural read-across.

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Cetrimonium Stearate - available to Pro subscribers.

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Expert safety assessment and concern-level summary for Cetrimonium Stearate - available to Pro subscribers.

Frequently Asked Questions

Is Cetrimonium Stearate safe in cosmetics?

Permitted without explicit concentration caps. All safety data derived from read-across of chloride and bromide salts. Recommended maximum 0.25% in leave-on products; nonirritating formulation required for rinse-off applications. The EU classifies Cetrimonium Stearate as "permitted". Safety rating: GOOD.

Is Cetrimonium Stearate allowed in the EU?

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

What does Cetrimonium Stearate do in cosmetics?

Cetrimonium Stearate functions as: Cationic Emulsifier, Hair Conditioning, Antistatic. It is classified as a cosmetic ingredient in our database. CAS number: 124-23-2.

What is the Margin of Safety for Cetrimonium Stearate?

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.

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