S

Sodium iodide

IUPAC: sodium iodide

INa Salts CAS 7681-82-5
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Quick Reference
Formula / NotationINa
CAS Number7681-82-5
Molecular Weight149.8942
Melting Point651
Boiling PointDecomposes
Density3.67
SolubilitySoluble
AppearanceDry Powder, Liquid; Liquid; Dry Powder
Also Known As7681-82-5; Sodium monoiodide; Ioduril; Soiodin; Iodure de sodium; Natrii iodidum; Jodid sodny; Sodium iodide (NaI); Natriumjodid; DTXSID2041125
CategorySalts

What is Sodium iodide?

Sodium iodide is a metal iodide salt with a Na(+) counterion. It is an iodide salt and an inorganic sodium salt.

Formula & Notation

INa

IUPAC Name: sodium iodide

Other Names / Synonyms: 7681-82-5; Sodium monoiodide; Ioduril; Soiodin; Iodure de sodium; Natrii iodidum; Jodid sodny; Sodium iodide (NaI); Natriumjodid; DTXSID2041125

Properties & Characteristics

Appearance: Dry Powder, Liquid; Liquid; Dry Powder. Molecular formula: INa. Molecular weight: 149.8942 g/mol. Boiling point: Decomposes. Melting point: 651. Density: 3.67. Solubility: Soluble. Vapor pressure: 1 MM HG @ 767 °C.

Physical Data

PropertyValue
Melting Point651
Boiling PointDecomposes
Density3.67
Molecular Weight149.8942
SolubilitySoluble
AppearanceDry Powder, Liquid; Liquid; Dry Powder

Uses & Applications

Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.

Safety Information

Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Sodium iodide
Formula INa
CAS Number 7681-82-5
Molecular Weight 149.8942
Category Salts
Synonyms 7681-82-5; Sodium monoiodide; Ioduril; Soiodin; Iodure de sodium; Natrii iodidum; Jodid sodny; Sodium iodide (NaI); Natriumjodid; DTXSID2041125

Frequently Asked Questions

Sodium iodide is a metal iodide salt with a Na(+) counterion. It is an iodide salt and an inorganic sodium salt.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.