Potassium iodide, 99.995% (metals basis), Thermo Scientific Chemicals

Description

Potassium iodide is used with silver nitrate to make silver iodide an important chemical in film photography. Medicinally it is used for thyroid blockade, thyroid storm and also as an expectorant. It is a component in some hair treatment chemicals. It is also used as a fluorescence quenching agent in biomedical research, an application that takes advantage of collisional quenching of fluorescent substances by the iodide ion.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 7681-11-0
• Molecular Formula: IK
• Molecular Weight (g/mol): 166.003
• MDL Number: MFCD00011405
• InChI Key: NLKNQRATVPKPDG-UHFFFAOYSA-M
• Synonym: potassium iodide, potassium iodide ki, pima, kali iodide, thyro-block, knollide, kisol, asmofug e, potassium diiodide, potassium monoiodide
• PubChem CID: 4875
• ChEBI: CHEBI:8346
• IUPAC Name: potassium;iodide
• SMILES: [K+].[I-]

• Boiling Point: 1330°C
• Melting Point: 681°C
• Color: White
• Physical Form: Crystalline
• Quantity: 5 g
• Assay Percent Range: 99.995% (metals basis)
• Solubility Information: Soluble in water,alcohol,methanol,acetone and ethanol.
• Formula Weight: 166.01
• Odor: Odorless
• Refractive Index: 1.677
• Sensitivity: Hygroscopic
• Appearance: White crystalline powder
• Vapor Pressure: 1.33 hPa (1mm Hg) at 745°C
• Density: 3.12
• Chemical Name or Material: Potassium iodide

RUO – Research Use Only