DIRECT BLUE 25
UNII 015UCP79S9

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Blue 25, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 015UCP79S9.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2150-54-1 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
015UCP79S9
CAS Registry Number
2150-54-1
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT BLUE 25
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C34H22N4O16S4.4Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
JUEBRKPPGMULSU-OTGYWJPESA-J
Line notation for describing the chemical structure and connectivity of atoms.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(c(c2c(cc(cc2cc1S(=O)(=O)[O-])S([O-])(=O)=O)O)O)/N=N/c3ccc(-c4ccc(/N=N/c5c(O)c6c(O)cc(S(=O)(=O)[O-])cc6cc5S(=O)(=O)[O-])c(C)c4)cc3C.[Na+].[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct 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

BENZO NEW BLUE 5B-CF
BENZO NEW BLUE 5BFS
BENZO NEW BLUE 5BS
C.I. 23790
C.I. DIRECT BLUE 25
C.I. DIRECT BLUE 25, TETRASODIUM SALT
CI 23790
CI DIRECT BLUE 25
CI DIRECT BLUE 25, TETRASODIUM SALT
DIRECT BLUE 25

Systematic Nomenclature

2,7-NAPHTHALENEDISULFONIC ACID, 3,3'-((3,3'-DIMETHYL(1,1'-BIPHENYL)-4,4'-DIYL)BIS(2,1-DIAZENEDIYL))BIS(4,5-DIHYDROXY-, SODIUM SALT (1:4)
2,7-NAPHTHALENEDISULFONIC ACID, 3,3'-((3,3'-DIMETHYL(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO))BIS(4,5-DIHYDROXY-, TETRASODIUM SALT
BENZO NEW BLUE 5B

Technical Codes

NSC-23347