Dequalinium Acetate

INCI: DEQUALINIUM ACETATE

CAS Number
4578-31-8
Function
Antimicrobial / preservative (quaternary ammonium compound)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not specifically prohibited under 21 CFR; FDA lists dequalinium salts as pharmaceutical actives

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Pharmaceutical active ingredient โ€” inclusion in cosmetics may trigger drug classification concerns; skin and eye irritant by analogy with chloride salt; concentration must be carefully controlled; no SCCS safety opinion for cosmetic use

โš ๏ธ
Concern Level: Moderate

Regulatory Flags

preservative

Frequently Asked Questions

Is Dequalinium Acetate safe in cosmetics?

Pharmaceutical active ingredient โ€” inclusion in cosmetics may trigger drug classification concerns; skin and eye irritant by analogy with chloride salt; concentration must be carefully controlled; no SCCS safety opinion for cosmetic use The EU classifies Dequalinium Acetate as "permitted". Safety rating: MODERATE.

Is Dequalinium Acetate allowed in the EU?

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

What does Dequalinium Acetate do in cosmetics?

Dequalinium Acetate functions as: Antimicrobial / preservative (quaternary ammonium compound). It is classified as a cosmetic ingredient in our database. CAS number: 4578-31-8.

What is the Margin of Safety for Dequalinium Acetate?

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.

๐Ÿ“ฑ

Is Dequalinium Acetate in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Dequalinium Acetate in your formulation.