Moderate Cosmetic Ingredient NOAEL Data

CI 11680 (Pigment Yellow 1)

INCI: CI 11680

CAS Number
2512-29-0
Function
Colorant
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status prohibited
US Notes Not on FDA-approved color additives list; not permitted for use in US cosmetics. Formerly known as Ext. D&C Yellow No. 5 but listing was not maintained.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

5 study endpoints found for CI 11680 (Pigment Yellow 1). 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
NOAEL 1000 mg/kg bw/day oral rat oral REACH
NOAEL 1000 mg/kg bw/day oral rat oral REACH
NOAEL 1000 mg/kg bw/day oral rat oral REACH
NOAEL 1000 mg/kg bw/day oral - oral REACH
NOAEL 50000 mg/kg bw/day oral rat oral REACH

Expert Verdict

Monoazo pigment permitted in EU under Annex IV with restriction to non-mucous membrane products. Not approved for US cosmetics use. Limited systemic safety data but generally considered low-risk in surface-application cosmetics. Aromatic amine cleavage potential warrants monitoring.

โš ๏ธ
Concern Level: Moderate

Regulatory Flags

not-fda-approved mucous-membrane-restricted azo-dye limited-safety-data eu-annex-iv eu_cosing_listed

Frequently Asked Questions

Is CI 11680 (Pigment Yellow 1) safe in cosmetics?

Monoazo pigment permitted in EU under Annex IV with restriction to non-mucous membrane products. Not approved for US cosmetics use. Limited systemic safety data but generally considered low-risk in surface-application cosmetics. Aromatic amine cleavage potential warrants monitoring. The EU classifies CI 11680 (Pigment Yellow 1) as "permitted". Safety rating: MODERATE. 5 toxicological study endpoint(s) are available in our database.

Is CI 11680 (Pigment Yellow 1) allowed in the EU?

CI 11680 (Pigment Yellow 1) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does CI 11680 (Pigment Yellow 1) do in cosmetics?

CI 11680 (Pigment Yellow 1) functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 2512-29-0.

What is the Margin of Safety for CI 11680 (Pigment Yellow 1)?

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.

What is the NOAEL for CI 11680 (Pigment Yellow 1)?

The NOAEL (No Observed Adverse Effect Level) for CI 11680 (Pigment Yellow 1) is 1000 mg/kg bw/day based on a oral study via oral route in rat. A total of 5 study endpoints are available. Source: REACH.

๐Ÿ“ฑ

Is CI 11680 (Pigment Yellow 1) 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 CI 11680 (Pigment Yellow 1) in your formulation.