Is Acid Yellow 23 safe in cosmetics?
Acid Yellow 23 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Acid Yellow 23
INCI: CI 19140
Acid Yellow 23 (CAS 1934-21-0) is a cosmetic cosmetic ingredient functioning as Colorant (monoazo dye; Tartrazine). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
View industrial chemical safety profile for CAS 1934-21-0 →
Auto-generated CPSR Part A draft with source citations
Function
Colorant (monoazo dye; Tartrazine)
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
FD&C Yellow No. 5 — permanently listed, certification required; food, drugs, and cosmetics generally
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Acid Yellow 23.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Acid Yellow 23.
Regulatory Flags
colorant
eu_children_restricted
epa_safer_alternative
ifra_fragrance
fda_food_additive
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL4792247
Frequently Asked Questions
Is Acid Yellow 23 allowed in the EU?
Acid Yellow 23 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Acid Yellow 23 do in cosmetics?
Acid Yellow 23 functions as: Colorant (monoazo dye; Tartrazine). It is classified as a cosmetic ingredient in our database. CAS number: 1934-21-0.
Is Acid Yellow 23 used outside cosmetics?
Acid Yellow 23 also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Acid Yellow 23 compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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