FOOD BLACK 2
UNII 4SA5S34DWJ

Substance Identification & Data

This profile provides standardized clinical and technical data for Food Black 2, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 4SA5S34DWJ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2118-39-0 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

4SA5S34DWJ

CAS Registry Number

2118-39-0

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

FOOD BLACK 2

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

C26H15N5O13S4.4Na

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

BZJNMKDNHPKBHE-IDOXDSHBSA-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(S(=O)(=O)[O-])c(/N=N/c2c3c(ccc(S(=O)([O-])=O)c3)c(/N=N/c4ccc(S(=O)(=O)[O-])cc4)cc2)c(O)c5c(c1)cc(S(=O)(=O)[O-])c(N)c5.[Na+].[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Food Black 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.

FDA Official Name

CI 27755

Common Names & Synonyms

C.I. FOOD BLACK 2

CI FOOD BLACK 2

CI FOOD BLACK 2, TETRASODIUM SALT

FOOD BLACK 2

TETRASODIUM 6-AMINO-4-HYDROXY-3-((7-SULFO-4-((4-SULFOPHENYL)AZO)-1-NAPHTHALEN- YL)AZO-2,7-NAPHTHALENEDISULFONATE)

TETRASODIUM 6-AMINO-4-HYDROXY-3-((7-SULPHONATO-4-((4-SULPHONATOPHENYL)AZO)-1-NAPHTHYL)AZO)NAPHTHALENE-2,7-DISULPHONATE

Systematic Nomenclature

2,7-NAPHTHALENEDISULFONIC ACID, 6-AMINO-4-HYDROXY-3-((7-SULFO-4-((4-SULFOPHENYL)AZO)-1-NAPHTHALENYL)AZO)-, TETRASODIUM SALT

SYS

2,7-NAPHTHALENEDISULFONIC ACID, 6-AMINO-4-HYDROXY-3-((7-SULFO-4-((P-SULFOPHENYL)AZO)-1-NAPHTHYL)AZO)-, TETRASODIUM SALT

SYS

2,7-NAPHTHALENEDISULFONIC ACID, 6-AMINO-4-HYDROXY-3-(2-(7-SULFO-4-(2-(4-SULFOPHENYL)DIAZENYL)-1-NAPHTHALENYL)DIAZENYL)-, SODIUM SALT (1:4)

SYS

External Clinical & Regulatory Resources

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