DIRECT BLUE 218
UNII RR3V5FL20N

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Blue 218, uniquely identified by the FDA Unique Ingredient Identifier (UNII) RR3V5FL20N.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 28407-37-6 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
RR3V5FL20N
CAS Registry Number
28407-37-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT BLUE 218
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C32H16N6O16S4.2Cu.4Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
GWEZPAIPHHUMTI-QTSXORJLSA-F
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(S(=O)(=O)[O-])cc1cc(S(=O)(=O)[O-])cc2N)/N=N\c3ccc(cc3[O-])-c4cc(c(/N=N\c5c(cc6c(c5[O-])c(cc(c6)S(=O)(=O)[O-])N)S(=O)(=O)[O-])cc4)[O-])[O-].[Na+].[Cu+2].[Cu+2].[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Blue 218. 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

(3,3'-((3,3'-DIHYDROXY-1,1'-BIPHENYL-4,4'- DIYL)BIS(AZO)BIS(5-AMINO-2,7-NAPHTHALENEDISULFONATO- (O4,O3)))DICOPPER, TETRASODIUM SALT
C.I. DIRECT BLUE 218
CI 24401
CI DIRECT BLUE 218
DIRECT BLUE 218
DIRECT BLUE 218 [HSDB]
TETRASODIUM (.MU.-((3,3'-((3,3'-DIHYDROXY(1,1'-BIPHENYL)-4,4'- DIYL)BIS(AZO))BIS(5-AMINO-4-HYDROXYNAPHTHALENE-2,7- DISULPHONATO))(8-)))DICUPRATE(4-)

Brand / Trade Names

AMANIL SUPRA BLUE 9GL
CARTA BLUE VP

Systematic Nomenclature

2,7-NAPHTHALENEDISULFONIC ACID, 3,3'((3,3'-DIHYDROXY(1,1'- BIPHENYL)-4,4'-DIYL)BIS(AZO)BIS(5-AMINO-4-HYDROXY-, SODIUM SALT, COPPER COMPLEX
2,7-NAPHTHALENEDISULFONIC ACID, 3,3'-((3,3'-DIHYDROXY(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO))BIS(5-AMINO-4-HYDROXY-, COPPER COMPLEX
COPPER, (TETRAHYDROGEN-3,3'-((3,3'-DIHYDROXY-4,4'-BIPHENYLYLENE)BIS(AZO))BIS(5-AMINO-4-HYDROXY-2,7-NAPHTHALENEDISULFONATO)(4-))DI-, TETRASODIUM SALT
CUPRATE(4-), (.MU.-((3,3'-((3,3'-DI(HYDROXY-.KAPPA.O)(1,1'-BIPHENYL)-4,4'-DIYL)BIS(2,1-DIAZENEDIYL-.KAPPA.N1))BIS(5-AMINO-4-(HYDROXY-.KAPPA.O)-2,7-NAPHTHALENEDISULFONATO))(8-)))DI-, SODIUM (1:4)
CUPRATE(4-), (.MU.-((3,3'-((3,3'-DI(HYDROXY-.KAPPA.O)(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO-.KAPPA.N1))BIS(5-AMINO-4-(HYDROXY-.KAPPA.O)-2,7-NAPHTHALENEDISULFONATO))(8-)))DI-, TETRASODIUM
CUPRATE(4-), (.MU.-((3,3'-((3,3'-DIHYDROXY(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO))BIS(5-AMINO-4-HYDROXY-2,7-NAPHTHALENEDISULFONATO))(8-)))DI-, TETRASODIUM

External Clinical & Regulatory Resources

CAS
Common Chemistry
NCATS
Inxight Drugs
NLM
DailyMed Products
NCATS
GSRS Full Record