1,5-NAPHTHALENEDISULFONIC ACID
UNII E8FPK78470

Substance Identification & Data

This profile provides standardized clinical and technical data for 1,5-naphthalenedisulfonic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) E8FPK78470.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 81-04-9 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
E8FPK78470
CAS Registry Number
81-04-9
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
1,5-NAPHTHALENEDISULFONIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C10H8O6S2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
XTEGVFVZDVNBPF-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
c1(c2c(c(S(O)(=O)=O)ccc2)ccc1)S(O)(=O)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 1,5-naphthalenedisulfonic Acid. 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

ARMSTRONG'S ACID
ARMSTRONG'S ACID [MI]
HEXETIDINE IMPURITY D [EP IMPURITUY]
NAPADISYLIC ACID

Systematic Nomenclature

1,5-NAPHTHALENEDISULFONIC ACID
NAPHTHALENE-1,5-DISULFONIC ACID

Technical Codes

NSC-9588