Acid Orange 3

INCI: ACID ORANGE 3

Acid Orange 3 (CAS 6373-74-6) is a cosmetic cosmetic ingredient functioning as Hair Dyeing. EU Regulation 1223/2009 status: prohibited. 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 6373-74-6 →

Auto-generated CPSR Part A draft with source citations
Function
Hair Dyeing
Safety Rating
POOR

Chemistry & Identifiers

Formula
C18H13N4NaO7S
MW
452.4 g/mol
EC Number
228-921-5
PubChem CID
5284435
IUPAC Name
sodium 2-anilino-5-(2,4-dinitroanilino)benzenesulfonate
InChIKey
KKBFCPLWFWQNFB-UHFFFAOYSA-M

Regulatory Status

EU EU Status prohibited
US US Status prohibited
US Notes Not FDA-approved; not listed for cosmetic use

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 Orange 3.

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Expert safety assessment and concern-level summary for Acid Orange 3.

Regulatory Flags

potential-allergen eu_banned_cosmetics eu_cosing_listed

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
CHEMBL3181851
View full pharmaceutical profile →

Frequently Asked Questions

Is Acid Orange 3 safe in cosmetics?

Acid Orange 3 has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.

Is Acid Orange 3 allowed in the EU?

Acid Orange 3 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Acid Orange 3 do in cosmetics?

Acid Orange 3 functions as: Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 6373-74-6.

Is Acid Orange 3 used outside cosmetics?

Acid Orange 3 also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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