Potassium iodide - ≥99% , CAS No.7681-11-0

CAS: 7681-11-0 Cat. No.: P141156 Formula: KI Molecular Weight: 166.00 EC Number: 231-659-4
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
Joptone | Potassium iodide, ultra dry | potassium iodide | Potassium iodide (K3I3) | POTASSIUM IODIDE [MART.] | Tox21_301293 | Potassium iodide (K(I2)) | Radiban | AI3-52931 | Potassium iodide (KI) | C08219 | Potassium iodide [USP:JAN] | DB06715 | Potassi
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
10g
P141156-10g
3 In stock
—
$13.90
25g
P141156-25g
3 In stock
—

$19.90

$26.90
Save $7.00 (26.02%)
100g
P141156-100g
3 In stock
—

$45.90

$62.90
Save $17.00 (27.03%)
500g
P141156-500g
In stock ≥10
7 In stock

$188.90

$224.90
Save $36.00 (16.01%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 1175 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Joptone | Potassium iodide, ultra dry | potassium iodide | Potassium iodide (K3I3) | POTASSIUM IODIDE [MART.] | Tox21_301293 | Potassium iodide (K(I2)) | Radiban | AI3-52931 | Potassium iodide (KI) | C08219 | Potassium iodide [USP:JAN] | DB06715 | Potassi
Specifications & Purity
≥99%
Storage
Room temperature,Argon charged
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504750823
Canonical Smiles
[K+].[I-]
IUPAC Name
potassium;iodide
InChIKey
NLKNQRATVPKPDG-UHFFFAOYSA-M
INCHI
1S/HI.K/h1H;/q;+1/p-1
Isomeric SMILES
[K+].[I-]
WGK Germany
1
RTECS
TT2975000
Molecular Weight
166.00

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkali metal salts
SubclassAlkali metal iodides
Intermediate Tree Nodes Not available
Direct ParentAlkali metal iodides
Alternative Parents Inorganic salts  
Molecular FrameworkNot available
Substituents Alkali metal iodide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal iodides. These are inorganic compounds in which the largest halogen atom is Iodine, and the heaviest metal atom is an alkali metal.
External Descriptors potassium salt
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA5A Tclin Carbonic anhydrase VA (1168 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA9 Tclin Carbonic anhydrase IX (8255 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
CA4 Carbonic anhydrase IV (1713 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

31 results found

Lot NumberCertificate TypeDateItem
G2221381Certificate of AnalysisMay 09, 2026 P141156
G2221380Certificate of AnalysisMay 09, 2026 P141156
F2327907Certificate of AnalysisJul 03, 2023 P141156
F2327814Certificate of AnalysisJul 03, 2023 P141156
L2510119Certificate of AnalysisMar 31, 2023 P141156
K2428128Certificate of AnalysisMar 31, 2023 P141156
G2628105Certificate of AnalysisMar 31, 2023 P141156
C2520213Certificate of AnalysisMar 31, 2023 P141156
C2325888Certificate of AnalysisMar 31, 2023 P141156
C2325835Certificate of AnalysisMar 31, 2023 P141156
C2325833Certificate of AnalysisMar 31, 2023 P141156
C2325808Certificate of AnalysisMar 31, 2023 P141156
F2420078Certificate of AnalysisFeb 15, 2023 P141156
B2311227Certificate of AnalysisFeb 15, 2023 P141156
J2318786Certificate of AnalysisFeb 15, 2023 P141156
B2311239Certificate of AnalysisFeb 15, 2023 P141156
B2311232Certificate of AnalysisFeb 15, 2023 P141156
J2226741Certificate of AnalysisOct 29, 2022 P141156
J2226742Certificate of AnalysisOct 29, 2022 P141156
J2226743Certificate of AnalysisOct 28, 2022 P141156
G2221383Certificate of AnalysisJul 26, 2022 P141156
G2221382Certificate of AnalysisJul 26, 2022 P141156
E2223220Certificate of AnalysisMay 26, 2022 P141156
E2223223Certificate of AnalysisMay 26, 2022 P141156
C2205577Certificate of AnalysisFeb 11, 2022 P141156
C2205498Certificate of AnalysisFeb 11, 2022 P141156
C2205490Certificate of AnalysisFeb 11, 2022 P141156
B2207542Certificate of AnalysisFeb 11, 2022 P141156
B2207541Certificate of AnalysisFeb 11, 2022 P141156
B2207540Certificate of AnalysisFeb 11, 2022 P141156
B2207456Certificate of AnalysisFeb 10, 2022 P141156
Chemical and Physical Properties
SensitivityAir & Light & Moisture Sensitive
Refractive Index1.677
Flash Point(°C)>93°C
Boil Point(°C)1420℃
Melt Point(°C)680℃
Molecular Weight166.002 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass165.868 Da
Monoisotopic Mass165.868 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count2
Formal Charge0
Complexity2.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
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Structural–Functional Analysis of the Methoxy Group (–OCH₃) in Approved Small-Molecule Drugs: Mechanisms, Evidence Chains, and Product-Selection Navigation (with Related Product Tables)
A Practical Guide to Organozinc Reagents for Synthesis (Organozinc Reagents): Structural Features, Key Reactions, and a Practical Selection Navigation (Including Aladdin Product Tables)
Selection of Common Research Salts: A Task Map for Alkali Metal Salts & Alkaline Earth Metal Salts (with Product Tables 1–6)
Perovskite PV/PeLED Precursor Guide: Selecting Metal Halide Salts, Key Conditions, and Reproducible Performance (including Product Tables 1–4 and a Selection Navigation Guide)
Recent Advances in Methods for Measuring Starch-Related Indices in Plants and Their Application-Oriented Selection
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Functional Properties, Application Scenarios, and Manufacturing Processes of Maltotetraose (G4): A Review
Analytical Basis, Methodological Systems, and Quality Control for Vitamin C Content Determination
Experimental Selection Logic for Phase-Transfer Catalysts: Choosing Catalysts by Phase-State System, Source of Anionic Species, and Reaction Task
Microscopic Interpretation and Taxonomic Value of Iodine Staining Reaction in Fungal Spores
Microbial Morphological Identification: Observation Systems, Staining Methods, and Result Interpretation
What Is an Etchant? Etching Mechanisms for Revealing Metallographic Microstructures, Selection Methods, and Applications of Related Wet-Etching Reagents
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Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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