Inactive / Discontinued
PONCEAU 4R
UNII Z525CBK9PG
Substance Identification & Data
This profile provides standardized clinical and technical data for Ponceau 4r, uniquely identified by the FDA Unique Ingredient Identifier (UNII) Z525CBK9PG.
Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2611-82-7 and the RxNorm Concept ID (RxCUI) 1364276. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.
Detailed Substance Profile
Preferred Name
PONCEAU 4R
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
Z525CBK9PG
The specific atomic composition represented as a molecular structure string.
InChIKey
C20H11N2O10S3.3Na International Chemical Identifier digital signature for unique molecular identification.
SMILES String
SWGJCIMEBVHMTA-ZRUFZDNISA-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
S([O-])(c1c2ccccc2c(cc1)/N=N/c3c(O)ccc4cc(cc(S([O-])(=O)=O)c43)S([O-])(=O)=O)(=O)=O.[Na+].[Na+].[Na+]
Synonyms and Nomenclature
This section provides a complete list of nomenclature and identifier mappings for Ponceau 4r. 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 RED 18
AKA102
CI 16255
Common Names & Synonyms
1,3-NAPHTHALENEDISULFONIC ACID, 7-HYDROXY-8-(2-(4-SULFO-1-NAPHTHALENYL)DIAZENYL)-, SODIUM SALT (1:3)
7-HYDROXY-8-((4-SULFO-1-NAPHTHYL)AZO)-1,3-NAPHTHALENEDISULFONIC ACID, TRISODIUM SALT
ACID BRILLIANT SCARLET 3R
ACID RED 18, TRISODIUM SALT
BRILLIANT PONCEAU 3R
BRILLIANT SCARLET 4R
C.I. ACID RED 18
C.I. ACID RED 18 [HSDB]
CI-FOOD RED 7
COCCINE
COCHINEAL RED A
FOOD RED 7
FOOD RED NO. 102
NAPHTHALENE INK SCARLET 4R
NEW COCCINE
PONCEAU 4R
PONCEAU 4R (E124)
PONCEAU 4R [MART.]
PONCEAU 4R [MI]
PONCEAU 4R [USP-RS]
TRISODIUM (8Z)-7-OXO-8-((4-SULFONATONAPHTHALEN-1-YL)HYDRAZINYLIDENE)NAPHTHALENE-1,3-DISULFONATE
VICTORIA SCARLET 3R
Brand / Trade Names
COVACAP ROUGE W 3102
VIBRACOLOR RED ARE18
Technical Codes
C.I. 16255
CI-(1975)NO.16255
CI-16255
E-124
E-124-
INS NO.124
INS-124
NSC-4301
NDC Products Containing PONCEAU 4R
This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory:
