Potassium iodide, 99.99% (metals basis)

Catalog No.	Quantity
AA8762714	25 g
AA8762722	100 g

Catalog No. AA8762714 Supplier Thermo Scientific Chemicals Supplier No. 08762714

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.

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: 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

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

SDS

RUO – Research Use Only