PONCEAU S
UNII T1C2UGS05F

Substance Identification & Data

This profile provides standardized clinical and technical data for Ponceau S, uniquely identified by the FDA Unique Ingredient Identifier (UNII) T1C2UGS05F.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6226-79-5 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
T1C2UGS05F
CAS Registry Number
6226-79-5
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
PONCEAU S
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C22H12N4O13S4.4Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
KQHKSGRIBYJYFX-WNDMICSESA-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(cc(/N=N/c2ccc(cc2)S([O-])(=O)=O)ccc1/N=N/c3c4ccc(cc4cc(S([O-])(=O)=O)c3O)S([O-])(=O)=O)S(=O)([O-])=O.[Na+].[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Ponceau S. 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

ACID RED 112
C.I. ACID RED 112
PONCEAU S

Systematic Nomenclature

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

Technical Codes

C.I. 27195
NSC-16216