DIRECT BLUE 15
UNII 5C44C6888V

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Blue 15, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 5C44C6888V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2429-74-5 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
5C44C6888V
CAS Registry Number
2429-74-5
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT BLUE 15
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C34H24N6O16S4.4Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
OLSOUGWNONTDCK-GPTZEZBUSA-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
[Na+].c1c2c(c(cc1S([O-])(=O)=O)N)c(c(c(c2)S([O-])(=O)=O)/N=N/c3ccc(cc3OC)-c4ccc(c(c4)OC)/N=N/c5c(c6c(cc5S([O-])(=O)=O)cc(cc6N)S([O-])(=O)=O)O)O.[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Blue 15. 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

2,7-NAPHTHALENEDISULFONIC ACID, 3,3'-((3,3'-DIMETHOXY(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO))BIS(5-AMINO-4-HYDROXY-, TETRASODIUM SALT
C.I. 24400
C.I. DIRECT BLUE 15
C.I. DIRECT BLUE 15 [HSDB]
CHLORAMINE SKY BLUE 4B
CI DIRECT BLUE 15 [IARC]
DIAZOL PURE BLUE 4B
DIPHENYL SKY BLUE 6B
DIRECT BLUE 15
DIRECT SKY BLUE
DYE DIRECT BLUE 15, TETRASODIUM SALT

Brand / Trade Names

DIAMINE SKY BLUE
NIPPON DIRECT SKY BLUE

Technical Codes

NSC-47757
NSC-9616