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Potassium iodide, 99.995% (metals basis)

Catalog No. p-4824896
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AA1097806 5 g
AA1097814 25 g
AA1097822 100 g
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Catalog No. AA1097806 Supplier Thermo Scientific Chemicals Supplier No. 01097806
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Description

CAS: 7681-11-0 | IK | 166.003 g/mol

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.

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-]

Specifications

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
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Safety and Handling

Hazard Category H372
Precautionary Statement P260-P264b-P270-P314-P501c
EINECSNumber 213-659-4
RTECSNumber TT2975000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only