SODIUM HYDROXIDE
UNII 55X04QC32I

Substance Identification & Data

This profile provides standardized clinical and technical data for Sodium Hydroxide, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 55X04QC32I.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1310-73-2 and the RxNorm Concept ID (RxCUI) 9880. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
55X04QC32I
CAS Registry Number
1310-73-2
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
SODIUM HYDROXIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
55X04QC32I
The specific atomic composition represented as a molecular structure string.
InChIKey
Na.HO
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HEMHJVSKTPXQMS-UHFFFAOYSA-M
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
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
[OH-].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Sodium Hydroxide. 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

SODIUM HYDROXIDE

Common Names & Synonyms

AETZNATRON
CAUSTIC SODA
LYE
NATRII HYDROXYDUM [WHO-IP LATIN]
SODIUM HYDROXIDE [EP MONOGRAPH]
SODIUM HYDROXIDE [FCC]
SODIUM HYDROXIDE [HSDB]
SODIUM HYDROXIDE [II]
SODIUM HYDROXIDE [JAN]
SODIUM HYDROXIDE [MART.]
SODIUM HYDROXIDE [MI]
SODIUM HYDROXIDE [VANDF]
SODIUM HYDROXIDE [WHO-DD]
SODIUM HYDROXIDE [WHO-IP]
SODIUM HYDROXIDE SOLUTIONS
SODIUM HYDROXIDE SOLUTIONS [FCC]
STAMPERPREP

Brand / Trade Names

PROMOTER 3308B
TOSOH PEARL

Systematic Nomenclature

SODIUM HYDRATE

Technical Codes

E-524
INS-524
NSC-135799

NDC Products Containing SODIUM HYDROXIDE

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: