ACID RED 52
UNII 821LWZ3R6R

Substance Identification & Data

This profile provides standardized clinical and technical data for Acid Red 52, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 821LWZ3R6R.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 3520-42-1 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
821LWZ3R6R
CAS Registry Number
3520-42-1
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
ACID RED 52
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C27H29N2O7S2.Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
SXQCTESRRZBPHJ-UHFFFAOYSA-M
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[Na+].o1c2-c(ccc(=[N+](CC)CC)c2)c(-c3ccc(S(=O)(=O)[O-])cc3S(=O)(=O)[O-])c4ccc(N(CC)CC)cc41

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Acid Red 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 RED 52
CI 45100

Common Names & Synonyms

AMMONIUM, (6-(DIETHYLAMINO)-9-(2,4-DISULFOPHENYL)-3H-XANTHEN-3-YLIDENE)DIETHYL-, HYDROXIDE, INNER SALT, SODIUM SALT
C.I. ACID RED 52
CI ACID RED 52
ETHANAMINIUM, N-(6-(DIETHYLAMINO)-9-(2,4-DISULFOPHENYL)-3H-XANTHEN-3-YLIDENE)-N-ETHYL-, HYDROXIDE, INNER SALT, SODIUM SALT
FOOD COLOR RED NO. 106
JAPAN RED 106
N-(6-(DIETHYLAMINO)-9-(2,4-DISULFOPHENYL)-3H-XANTHEN-3-YLIDENE)-N-ETHYL ETHANAMINIUM, HYDROXIDE, INNER SALT, SODIUM SALT
PHLOXINE RHODAMINE
RED NO. 106
XANTHYLIUM, 3,6-BIS(DIETHYLAMINO)-9-(2,4-DISULFOPHENYL)-, HYDROXIDE, INNER SALT, SODIUM SALT

Brand / Trade Names

COVACAP ROSE W 4102
VIBRACOLOR RED ARE52