DISPERSE ORANGE 1
UNII 1592R4P97H

Substance Identification & Data

This profile provides standardized clinical and technical data for Disperse Orange 1, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 1592R4P97H.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2581-69-3 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
1592R4P97H
CAS Registry Number
2581-69-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DISPERSE ORANGE 1
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C18H14N4O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
YFVXLROHJBSEDW-QZQOTICOSA-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
c1(Nc2ccccc2)ccc(/N=N/c3ccc([N+](=O)[O-])cc3)cc1

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Disperse Orange 1. 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

4-((P-NITROPHENYL)AZO)DIPHENYLAMINE
4-(4-NITROPHENYLAZO)DIPHENYLAMINE
4-(P-NITROPHENYLAZO)DIPHENYLAMINE
C.I. DISPERSE ORANGE 1
CI 11080
CI DISPERSE ORANGE 1 [HSDB]
DISPERSE ORANGE 1

Brand / Trade Names

ACETOQUINONE LIGHT ORANGE 4RL
VONTERYL RED 4G

Systematic Nomenclature

4-((4-NITROPHENYL)AZO)-N-PHENYLANILINE
4-ANILINO-4'-NITROAZOBENZENE
4-NITRO-4'-(PHENYLAMINO)AZOBENZENE
BENZENAMINE, 4-((4-NITROPHENYL)AZO)-N-PHENYL-
BENZENAMINE, 4-(2-(4-NITROPHENYL)DIAZENYL)-N-PHENYL-
DIPHENYLAMINE, 4-((P-NITROPHENYL)AZO)-