Acid Blue 9 Ammonium Salt

INCI: ACID BLUE 9 AMMONIUM SALT

Acid Blue 9 Ammonium Salt (CAS 2650-18-2) is a cosmetic cosmetic ingredient functioning as Colorant. 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 2650-18-2 →

Auto-generated CPSR Part A draft with source citations
Function
Colorant
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C37H42N4O9S3
MW
783 g/mol
EC Number
220-168-0
PubChem CID
17559
IUPAC Name
diazanium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
InChIKey
HMEKVHWROSNWPD-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status restricted
US Notes Permanently listed as D&C Blue No. 4, certification required. Restricted to externally applied drugs and cosmetics only, not approved for ingestion or eye area.

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 Blue 9 Ammonium Salt.

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Expert safety assessment and concern-level summary for Acid Blue 9 Ammonium Salt.

Regulatory Flags

colorant

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
CHEMBL3188729
View full pharmaceutical profile →

Frequently Asked Questions

Is Acid Blue 9 Ammonium Salt safe in cosmetics?

Acid Blue 9 Ammonium Salt has a safety rating of "GOOD" in our database. EU status: permitted. US status: restricted.

Is Acid Blue 9 Ammonium Salt allowed in the EU?

Acid Blue 9 Ammonium Salt EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Acid Blue 9 Ammonium Salt do in cosmetics?

Acid Blue 9 Ammonium Salt functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 2650-18-2.

Is Acid Blue 9 Ammonium Salt used outside cosmetics?

Acid Blue 9 Ammonium Salt 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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