SODIUM SULFITE
UNII VTK01UQK3G

Substance Identification & Data

This profile provides standardized clinical and technical data for Sodium Sulfite, uniquely identified by the FDA Unique Ingredient Identifier (UNII) VTK01UQK3G.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 7757-83-7 and the RxNorm Concept ID (RxCUI) 1367221. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
VTK01UQK3G
CAS Registry Number
7757-83-7
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
SODIUM SULFITE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
VTK01UQK3G
The specific atomic composition represented as a molecular structure string.
InChIKey
2Na.O3S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
GEHJYWRUCIMESM-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
[O-]S([O-])=O.[Na+].[Na+]

Synonyms and Nomenclature

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

Common Names & Synonyms

ANHYDROUS SODIUM SULPHITE
DRIED SODIUM SULFITE [JAN]
DRIED SODIUM SULFITE [JP]
NATRUM SULPHUROSUM
NATRUM SULPHUROSUM [HPUS]
SODIUM SULFITE [EP MONOGRAPH]
SODIUM SULFITE [FCC]
SODIUM SULFITE [HSDB]
SODIUM SULFITE [II]
SODIUM SULFITE [MART.]
SODIUM SULFITE [MI]
SODIUM SULFITE [VANDF]
SODIUM SULFITE ANHYDROUS
SODIUM SULFITE, ANHYDROUS
SODIUM SULFITE, ANHYDROUS [EP IMPURITY]
SODIUM SULPHITE ANHYDROUS
SULFUROUS ACID, DISODIUM SALT
SULFUROUS ACID, SODIUM SALT
SULFUROUS ACID, SODIUM SALT (1:2)

Systematic Nomenclature

DISODIUM SULFITE
SODIUM SULPHITE

Technical Codes

E-221
INS NO.221
INS-221
S-WAT

NDC Products Containing SODIUM SULFITE

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