DIRECT BLUE 2
UNII EE5HVP9RA8

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Blue 2, uniquely identified by the FDA Unique Ingredient Identifier (UNII) EE5HVP9RA8.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2429-73-4 and the RxNorm Concept ID (RxCUI) 2054103. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
EE5HVP9RA8
CAS Registry Number
2429-73-4
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
DIRECT BLUE 2
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
EE5HVP9RA8
The specific atomic composition represented as a molecular structure string.
InChIKey
C32H21N6O11S3.3Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
FKVXIGHJGBQFIH-BOXWNSCSSA-K
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
c12c(c(c(/N=N/c3ccc(-c4ccc(/N=N/c5c(cc6ccc(cc6c5O)N)S(=O)(=O)[O-])cc4)cc3)c(c1)S(=O)(=O)[O-])O)c(cc(c2)S(=O)(=O)[O-])N.[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Blue 2. 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

C.I. DIRECT BLUE 2 [HSDB]
C.I. DIRECT BLUE 2, TRISODIUM SALT
CI 22590
CI DIRECT BLUE 2
DIRECT BLUE 2
TRISODIUM 5-AMINO-3-((4'-((7-AMINO-1-HYDROXY-3-SULPHONATO-2- NAPHTHYL)AZO)(1,1'-BIPHENYL)-4-YL)AZO)-4-HYDROXYNAPHTHALENE- 2,7-DISULPHONATE

Brand / Trade Names

BENCIDAL NAVY BLUE BH
CHROME LEATHER BLACK CR

Systematic Nomenclature

2,7-NAPHTHALENEDISULFONIC ACID, 5-AMINO-3-((4'-((7-AMINO-1-HYDROXY-3-SULFO-2-NAPHTHALENYL)AZO)(1,1'-BIPHENYL)-4-YL)AZO)-4-HYDROXY-, TRISODIUM SALT
2,7-NAPHTHALENEDISULFONIC ACID, 5-AMINO-3-(2-(4'-(2-(7-AMINO-1-HYDROXY-3-SULFO-2-NAPHTHALENYL)DIAZENYL)(1,1'-BIPHENYL)-4-YL)DIAZENYL)-4-HYDROXY-, SODIUM SALT (1:3)

Technical Codes

NSC-75779

NDC Products Containing DIRECT BLUE 2

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