ACID BLACK 52
UNII C2VLY70GFU

Substance Identification & Data

This profile provides standardized clinical and technical data for Acid Black 52, uniquely identified by the FDA Unique Ingredient Identifier (UNII) C2VLY70GFU.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 5610-64-0 and the RxNorm Concept ID (RxCUI) 1435106. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
C2VLY70GFU
CAS Registry Number
5610-64-0
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ACID BLACK 52
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
3C20H10N3O7S.2Cr.3Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
OCDKNPOQLLEKKZ-LMIIDPDQSA-E
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
N(=N/c1c2ccccc2ccc1[O-])\c3c([O-])cc(S([O-])(=O)=O)c4cc(ccc43)[N+](=O)[O-].[Na+].[Cr+3].[Na+].[Na+].N(=N/c1c2ccccc2ccc1[O-])\c3c([O-])cc(S([O-])(=O)=O)c4cc(ccc34)[N+](=O)[O-].N(=N/c1c2ccccc2ccc1[O-])\c3c([O-])cc(S([O-])(=O)=O)c4cc(ccc34)[N+](=O)[O-].[Cr+3]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Acid Black 52. 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

ACID BLACK 52

Common Names & Synonyms

ACID BLACK 52 [HSDB]
C.I. ACID BLACK 52
CHROMIUM, 3-HYDROXY-4-((2-HYDROXY-1-NAPHTHALENYL)AZO)-7-NITRO-1-NAPHTHALENESULFONIC ACID COMPLEX
CI-15711

Brand / Trade Names

CHROMOLAN BLACK NWA

Technical Codes

C.I. 15711