Acid Yellow 23 Aluminum Lake

INCI: CI 19140

CAS Number
12225-21-7 (FD\&C Yellow No. 5 Aluminum Lake)
Function
Colorant — insoluble pigment form of Tartrazine precipitated on alumina substrate
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes FD&C Yellow No. 5 Aluminum Lake — provisionally listed under 21 CFR 82.51, certification required

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

SCCS opinions on aluminum in cosmetics (2019, 2021) flag cumulative aluminum exposure from all sources — relevant for lip products and leave-on formulations; same allergenicity caveats as parent dye at trace soluble levels

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Concern Level: Moderate

Regulatory Flags

potential-allergen colorant

Frequently Asked Questions

Is Acid Yellow 23 Aluminum Lake safe in cosmetics?

SCCS opinions on aluminum in cosmetics (2019, 2021) flag cumulative aluminum exposure from all sources — relevant for lip products and leave-on formulations; same allergenicity caveats as parent dye at trace soluble levels The EU classifies Acid Yellow 23 Aluminum Lake as "permitted". Safety rating: GOOD.

Is Acid Yellow 23 Aluminum Lake allowed in the EU?

Acid Yellow 23 Aluminum Lake EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Acid Yellow 23 Aluminum Lake do in cosmetics?

Acid Yellow 23 Aluminum Lake functions as: Colorant — insoluble pigment form of Tartrazine precipitated on alumina substrate. It is classified as a cosmetic ingredient in our database. CAS number: 12225-21-7 (FD\&C Yellow No. 5 Aluminum Lake).

What is the Margin of Safety for Acid Yellow 23 Aluminum Lake?

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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