Good Colorant NOAEL Data

CI 19140 (Tartrazine)

INCI: CI 19140

CAS Number
1934-21-0
Function
Colorant, Hair Dyeing Agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
EU Max Conc. 0.5% (hair dye use)
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permanently listed as FD&C Yellow No. 5 under 21 CFR 74.705, 74.1705, and 74.2705. Batch certification by FDA required. Approved for use in cosmetics generally and in the eye area. Mandatory label declaration required for foods and ingested drugs due to potential allergic-type reactions in sensitive individuals.

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for CI 19140 (Tartrazine). 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 750 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 750 mg/kg bw/day oral rat Multigeneration Reproductive COSMOS_DB
NOAEL 1000 mg/kg bw/day oral rabbit Developmental COSMOS_DB
NOAEL 1000 mg/kg bw/day oral rat Developmental COSMOS_DB
NOAEL 2500 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 2500 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB
NOAEL 1500 mg/kg bw/day oral dog Chronic COSMOS_DB
NOAEL 2641 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB
NOAEL 984 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB
NOAEL 7500 mg/kg bw/day oral mouse Chronic COSMOS_DB

Expert Verdict

CI 19140 (Tartrazine, CAS 1934-21-0) is authorized in the EU as a colorant in Annex IV Part 1 and permitted in all cosmetic product types including eye area; as a hair dye ingredient (Annex III) the maximum concentration is 0.5%. In the US, it is permanently listed as FD&C Yellow No. 5 with batch certification required and is approved for cosmetics including eye area. Negligible dermal absorption (0.26%) and absence of contact sensitization support safety at authorized concentrations.

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Concern Level: Low

Regulatory Flags

batch-certification-required oral-intolerance-risk annex-iii-restricted-hair-dye stability-data-gap fdc-label-declaration-food-drug eu_children_restricted epa_safer_alternative ifra_fragrance fda_food_additive

Frequently Asked Questions

Is CI 19140 (Tartrazine) safe in cosmetics?

CI 19140 (Tartrazine, CAS 1934-21-0) is authorized in the EU as a colorant in Annex IV Part 1 and permitted in all cosmetic product types including eye area; as a hair dye ingredient (Annex III) the maximum concentration is 0.5%. In the US, it is permanently listed as FD&C Yellow No. 5 with batch certification required and is approved for cosmetics including eye area. Negligible dermal absorption (0.26%) and absence of contact sensitization support safety at authorized concentrations. The EU classifies CI 19140 (Tartrazine) as "permitted". Safety rating: GOOD. 10 toxicological study endpoint(s) are available in our database.

Is CI 19140 (Tartrazine) allowed in the EU?

CI 19140 (Tartrazine) EU regulatory status: permitted. Maximum allowed concentration: 0.5% (hair dye use). This is based on EU Regulation 1223/2009 and its amendments.

What does CI 19140 (Tartrazine) do in cosmetics?

CI 19140 (Tartrazine) functions as: Colorant, Hair Dyeing Agent. It is classified as a Colorant in our database. CAS number: 1934-21-0.

What is the Margin of Safety for CI 19140 (Tartrazine)?

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 19140 (Tartrazine)?

The NOAEL (No Observed Adverse Effect Level) for CI 19140 (Tartrazine) is 750 mg/kg bw/day based on a Chronic study via oral route in rat. A total of 10 study endpoints are available. Source: COSMOS_DB.

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