Sodium iodide | CAS No. 7681-82-5

Sodium iodide

Basic Information

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CAS Number

7681-82-5

Molecular Formula

INa

Molecular Weight

149.89 g/mol

Chemical Classification

Water Treatment Chemicals Disinfectants Chlorine Compounds

Basic Physical Properties

Melting Point

661 °C

Boiling Point

1300 ºC

Density

3.66

Water Solubility

184 g/100 mL (25 ºC)

Solubility

water: soluble(lit.)

Refractive Index

1.7745

SMILES

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[Na+].[I-]

InChI

InChI=1S/HI.Na/h1H;/q;+1/p-1

InChIKey

FVAUCKIRQBBSSJ-UHFFFAOYSA-M

LogP

-2.99600

Complexity

Safety Information

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GHS Hazard Pictograms

H315

H319

H400

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H400 Very toxic to aquatic life
Hazardous to the aquatic environment, acute hazard

Stability

hygroscopic

Sensitiveness

Hygroscopic

Toxicity

MLD i.v. in rats: 1.3 g/kg, Loeser, Konwiser, J. Lab. Clin. Med. 15, 35 (1929)

Synonyms & References

English

Sodium iodide
SodiumiodideanhydrousHO
Anayodin
Ioduril
Jodid sodny
natriiiodidum
Natriumjodid
potassium iodide
Sodium iodine
Soiodin
Sodiumiodide (8CI)
NSC 77388
Sodium monoiodide
Sodium iodide (NaI)
sodiumiodide
Iodure de sodium
Natrii iodidum
Jodid sodny [Czech]
Natriumjodid [German]
Caswell No. 777
EPA Pesticide Chemical Code 075702
F5WR8N145C
Sodium iodide, ultra dry
NAI
Sodium iodide (Na131I)
Sodium iodide, ACS reagent, anhydrous
Sodium iodide, 99+%, pure, anhydrous
natrium(131i)iodid
sodium(125i
Sodium Iodide

MDL Number

MFCD00003532

Customs Code

2827600000

FAQ

What is Sodium Iodide (CAS: 7681-82-5)?

Sodium iodide is an inorganic salt with the chemical formula NaI. It appears as white crystalline powder or granules, highly soluble in water, and has a salty taste. Commonly used in various industries, it serves as a source of iodine and is valued for its stability and reactivity. Sodium iodide (CAS 7681-82-5) is also employed in radiopharmaceuticals and as a preservative in some applications. Its properties make it versatile for both laboratory and commercial use.

What are the main uses of Sodium Iodide (CAS: 7681-82-5)?

Sodium iodide (CAS 7681-82-5) is widely used in pharmaceuticals for radioactive imaging and as a contrast agent. In industry, it acts as a catalyst in organic synthesis and a source of iodine. It is added to table salt to prevent iodine deficiency and used in research for analytical chemistry. Additionally, it finds applications in flame retardants and as a reagent in chemical reactions. Its versatility ensures relevance across multiple sectors.

Is Sodium Iodide (CAS: 7681-82-5) safe?

Sodium iodide (CAS 7681-82-5) is generally safe when handled properly. It is non-toxic in moderate amounts but can cause irritation if inhaled, ingested, or contacted with skin. Safety standards recommend following OSHA guidelines for exposure limits and using protective equipment like gloves and goggles. Proper storage and handling minimize risks, ensuring safe use in laboratories and industries.

How should Sodium Iodide (CAS: 7681-82-5) be stored?

Sodium iodide (CAS 7681-82-5) should be stored in a cool, dry place, ideally between 20-25°C, to maintain stability. Keep it in airtight containers to prevent moisture absorption, which can degrade the compound. Avoid exposure to light and incompatible materials like strong acids. Store in well-ventilated areas to ensure safety and prolong shelf life.