ACID BLUE 25
UNII S2E15W6FSN

Substance Identification & Data

This profile provides standardized clinical and technical data for Acid Blue 25, uniquely identified by the FDA Unique Ingredient Identifier (UNII) S2E15W6FSN.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6408-78-2 and the RxNorm Concept ID (RxCUI) 2178278. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
S2E15W6FSN
CAS Registry Number
6408-78-2
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ACID BLUE 25
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
S2E15W6FSN
The specific atomic composition represented as a molecular structure string.
InChIKey
C20H13N2O5S.Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
LIKZXCROQGHXTI-UHFFFAOYSA-M
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C1(c2c(C(c3c1cccc3)=O)c(c(cc2Nc4ccccc4)S(=O)([O-])=O)N)=O.[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Acid Blue 25. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

Common Names & Synonyms

ACID ALIZARINE BLUE A
ACID ANTHRAQUINONE BLUE
ACID BLUE 25
C.I. 62055
C.I. ACID BLUE 25
C.I. ACID BLUE 25 SODIUM SALT
CI 62055
CI ACID BLUE 25
CI ACID BLUE 25 SODIUM SALT

Systematic Nomenclature

1-AMINO-4-ANILINOANTHRAQUINONE-2-SULFONIC ACID SODIUM SALT
2-ANTHRACENESULFONIC ACID, 1-AMINO-4-ANILINO-9,10-DIHYDRO-9,10-DIOXO-, MONOSODIUM SALT
2-ANTHRACENESULFONIC ACID, 1-AMINO-9,10-DIHYDRO-9,10-DIOXO-4-(PHENYLAMINO)-, MONOSODIUM SALT
2-ANTHRACENESULFONIC ACID, 1-AMINO-9,10-DIHYDRO-9,10-DIOXO-4-(PHENYLAMINO)-, SODIUM SALT (1:1)
2-ANTHRAQUINONESULFONIC ACID, 1-AMINO-4-ANILINO-, SODIUM SALT

NDC Products Containing ACID BLUE 25

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: