CAS 7681-82-5 Sodium iodide - Materials / Alfa Chemistry

NAVIGATION

Sodium iodide

PRICE INQUIRY

Catalog Number

ACM7681825

CAS Number

7681-82-5

Product Name

Sodium iodide

Structure

Category

Electrolytes

Synonyms

Hydriodic acid sodium salt

Description

DryPowder; Liquid; PelletsLargeCrystals;COLOURLESS-TO-WHITE HYGROSCOPIC CRYSTALS OR WHITE POWDER. TURNS BROWN ON EXPOSURE TO AIR.

IUPAC Name

Sodium;iodide

Molecular Weight

149.89

Molecular Formula

INa

Canonical SMILES

[Na+].[I-]

InChI

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

InChI Key

FVAUCKIRQBBSSJ-UHFFFAOYSA-M

Boiling Point

1300 °C

Melting Point

661 °C

Flash Point

1300-1304 °C

Purity

99%+

Density

3.67 g/cm³

Solubility

Soluble in water

Appearance

White beads

Application

Sodium iodide serves multiple purposes across various fields due to its distinct chemical properties. This white crystalline solid, known for its high solubility in water, ethanol, and ethanoic acid, is widely utilized in photography and medical applications. In medicine, it functions as an expectorant and plays a crucial role in the administration of radioactive iodine for thyroid studies and treatments. Additionally, sodium iodide is integral to several chemical processes, such as acting as a precursor in the polymerization of butyl acrylate and as a chaotropic agent in DNA extraction. It is also employed as a deprotecting agent in organic synthesis and as a fluorescence quenching reagent due to its water solubility. These varied uses highlight the versatility and importance of sodium iodide in both industrial and medical contexts.

Storage

Store at +5 °C to +30 °C

Assay

0.99

Color/Form

COLORLESS, CUBIC CRYSTALS;WHITE CRYSTALS OR GRANULES;WHITE POWDER

Complexity

Covalently-Bonded Unit Count

EC Number

231-679-3

Exact Mass

149.89424

Formal Charge

Heavy Atom Count

ICSC Number

1009

MDL Number

MFCD00003532

MeSH Entry Terms

Sodium Iodide

Monoisotopic Mass

149.89424

NSC Number

77388

Odor

Odorless

Other Experimental

DELIQUESCENT; GRADUALLY ABSORBS UP TO 5% (1/2 MOL) MOISTURE ON EXPOSURE TO AIR; SLOWLY BECOMES BROWN IN AIR DUE TO LIBERATION OF IODINE; AQ SOLN SIMILARLY AFFECTED;AT ROOM TEMP CRYSTALLIZES FROM WATER WITH 2H₂O IN FORM OF COLORLESS, PRISMATIC CRYSTALS;RAPIDLY ATTACKED BY BROMINE TRIFLUORIDE

Packaging

25 kg

Refractive Index

1.7745

Rotatable Bond Count

RTECS Number

WB6475000

Stability

Stable under normal temperatures and pressures.

Storage Conditions

Store at RT.

Topological Polar Surface Area