Good Cosmetic Ingredient NOAEL Data

CI 15510 (D&C Orange No. 4 / Acid Orange 7)

INCI: CI 15510

CAS Number
633-96-5
Function
Colorant. Synthetic monoazo orange dye (Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate and its insoluble barium, strontium, and zirconium lakes, salts and pigments), also known as D&C Orange No. 4, Acid Orange 7, and Orange II. Water-soluble sodium salt or insoluble lake form. Widely used in cosmetics, hair dyes, and personal care products to impart an orange color.
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. Not to be used in eye products
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes FDA permanently listed as D&C Orange No. 4 under 21 CFR 74.2254 for externally applied cosmetics in amounts consistent with good manufacturing practice. Subject to mandatory FDA batch certification before market distribution. Not permitted for use in eye area products (eye makeup, eye makeup removers). No specific maximum concentration stated in the listing regulation.

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.

Toxicological Studies

1 study endpoint found for CI 15510 (D&C Orange No. 4 / Acid Orange 7). NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
LOAEL 2.5 mg/kg bw/day oral rat Subchronic COSMOS_DB

Expert Verdict

CI 15510 (D&C Orange No. 4) is EU Annex IV listed with a restriction prohibiting use in eye area products and in the US is permanently listed under 21 CFR 74.2254 for externally applied cosmetics only with mandatory FDA batch certification required, with regulatory restrictions well aligned between both regions and low concern outside the eye area.

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Concern Level: Low

Regulatory Flags

azo-dye eu-annex-iv fda-certified-color fda-batch-certification-required no-eye-area-eu no-eye-area-us externally-applied-only lake-form-available synthetic-colorant ewg-moderate eu_children_restricted ifra_fragrance

Frequently Asked Questions

Is CI 15510 (D&C Orange No. 4 / Acid Orange 7) safe in cosmetics?

CI 15510 (D&C Orange No. 4) is EU Annex IV listed with a restriction prohibiting use in eye area products and in the US is permanently listed under 21 CFR 74.2254 for externally applied cosmetics only with mandatory FDA batch certification required, with regulatory restrictions well aligned between both regions and low concern outside the eye area. The EU classifies CI 15510 (D&C Orange No. 4 / Acid Orange 7) as "restricted". Safety rating: GOOD. 1 toxicological study endpoint(s) are available in our database.

Is CI 15510 (D&C Orange No. 4 / Acid Orange 7) allowed in the EU?

CI 15510 (D&C Orange No. 4 / Acid Orange 7) EU regulatory status: restricted. Maximum allowed concentration: Not to be used in eye products. This is based on EU Regulation 1223/2009 and its amendments.

What does CI 15510 (D&C Orange No. 4 / Acid Orange 7) do in cosmetics?

CI 15510 (D&C Orange No. 4 / Acid Orange 7) functions as: Colorant. Synthetic monoazo orange dye (Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate and its insoluble barium, strontium, and zirconium lakes, salts and pigments), also known as D&C Orange No. 4, Acid Orange 7, and Orange II. Water-soluble sodium salt or insoluble lake form. Widely used in cosmetics, hair dyes, and personal care products to impart an orange color.. It is classified as a cosmetic ingredient in our database. CAS number: 633-96-5.

What is the Margin of Safety for CI 15510 (D&C Orange No. 4 / Acid Orange 7)?

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.

What is the NOAEL for CI 15510 (D&C Orange No. 4 / Acid Orange 7)?

The NOAEL (No Observed Adverse Effect Level) for CI 15510 (D&C Orange No. 4 / Acid Orange 7) is 2.5 mg/kg bw/day based on a Subchronic study via oral route in rat. Source: COSMOS_DB.

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