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Potassium iodide, 99.99% (metals basis)

Catalog No. p-4782082
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AA8762714 25 g
AA8762722 100 g
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Catalog No. AA8762714 Supplier Thermo Scientific Chemicals Supplier No. 08762714
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Description

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

Potassium iodide is a simple iodide salt utilized as a fluorescence quenching agent which acts by collisional quenching of fluorescent substances by the iodide ion. It is also used in the isolation of single stranded DNA.

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 Powder
Quantity 25 g
Assay Percent Range 99.99% (metals basis)
Solubility Information Soluble in water (145g/100ml at 25°C),alcohol (45.5mg/ml),methanol (125mg/ml),acetone (13.1mg/ml at 25°C),and ethanol (19.6mg/ml).
Formula Weight 166.01
Odor Odorless
Refractive Index 1.677
Sensitivity Hygroscopic
Vapor Pressure 1mm Hg at 745°C
Density 3.12 g/cm3 at 20°C
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