Acid Orange 24

INCI: ACID ORANGE 24

CAS Number
1320-07-6
Function
Colorant
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Permanently listed as D&C Brown No. 1, certification required. Externally applied cosmetics only.

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Restricted to external use only in the US; disazo structure requires purity monitoring for potential aromatic amine impurities.

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Concern Level: Moderate

Regulatory Flags

colorant eu_banned_cosmetics epa_safer_alternative eu_cosing_listed

Frequently Asked Questions

Is Acid Orange 24 safe in cosmetics?

Restricted to external use only in the US; disazo structure requires purity monitoring for potential aromatic amine impurities. The EU classifies Acid Orange 24 as "permitted". Safety rating: MODERATE.

Is Acid Orange 24 allowed in the EU?

Acid Orange 24 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Acid Orange 24 do in cosmetics?

Acid Orange 24 functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 1320-07-6.

What is the Margin of Safety for Acid Orange 24?

adequate 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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