HC BLUE NO. 2
UNII 6C0EL1931V

Substance Identification & Data

This profile provides standardized clinical and technical data for Hc Blue No. 2, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 6C0EL1931V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 33229-34-4 and the RxNorm Concept ID (RxCUI) 2386334. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
6C0EL1931V
CAS Registry Number
33229-34-4
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
HC BLUE NO. 2
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C12H19N3O5
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
MIWUTEVJIISHCP-UHFFFAOYSA-N
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
c1cc(c(cc1N(CCO)CCO)[N+]([O-])=O)NCCO

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Hc Blue No. 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

HC BLUE NO. 2

Common Names & Synonyms

COLOREX HCB2
COVARIANE BLEU W 6122 LP
HC BLUE 2
HC BLUE NO. 2 [IARC]
HC BLUE NO.2 [HSDB]
JAROCOL BLUE 2
N,N',N'-TRIS(2-HYDROXYETHYL)-2-NITRO-P-PHENYLENEDIAMINE
N1,N4,N4-TRIS(2'-HYDROXYETHYL)-2-NITRO-P-PHENYLENEDIAMINE
N1,N4,N4-TRIS(2-HYDROXYETHYL)-2-NITRO-P-PHENYLENEDIAMINE

Brand / Trade Names

COVARINE BLUE W 6122

Systematic Nomenclature

2,2'-(4-(2-HYDROXYETHYLAMINO)-3-NITROPHENYLIMINO)DIETHANOL
ETHANOL, 2,2'-((4-((2-HYDROXYETHYL)AMINO)-3-NITROPHENYL)IMINO)BIS-
ETHANOL, 2,2'-((4-((2-HYDROXYETHYL)AMINO)-3-NITROPHENYL)IMINO)DI-