SODIUM METABISULFITE
UNII 4VON5FNS3C

Substance Identification & Data

This profile provides standardized clinical and technical data for Sodium Metabisulfite, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 4VON5FNS3C.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 7681-57-4 and the RxNorm Concept ID (RxCUI) 36696. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
4VON5FNS3C
CAS Registry Number
7681-57-4
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
SODIUM METABISULFITE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
4VON5FNS3C
The specific atomic composition represented as a molecular structure string.
InChIKey
2Na.O5S2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HRZFUMHJMZEROT-UHFFFAOYSA-L
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
[Na+].S([O-])(=O)S(=O)([O-])=O.[Na+]

Synonyms and Nomenclature

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

Common Names & Synonyms

DISODIUM PENTAOXODISULFATE
DISULFUROUS ACID, DISODIUM SALT
SODIUM METABISULFITE (E 223)
SODIUM METABISULFITE [EP MONOGRAPH]
SODIUM METABISULFITE [FCC]
SODIUM METABISULFITE [HSDB]
SODIUM METABISULFITE [II]
SODIUM METABISULFITE [MART.]
SODIUM METABISULFITE [MI]
SODIUM METABISULFITE [USP-RS]
SODIUM METABISULFITE [VANDF]
SODIUM METABISULFITE [WHO-DD]
SODIUM PYROSULFITE [JAN]

Systematic Nomenclature

DISODIUM PYROSULFITE
DISODIUM PYROSULPHITE
SODIUM METABISULPHITE
SODIUM PYROSULFITE
SODIUM PYROSULPHITE

Technical Codes

E-223
INS NO.223
INS-223
NSC-158277
NSC-227243

NDC Products Containing SODIUM METABISULFITE

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