Sodium iodide - AR, ≥99.5% , CAS No.7681-82-5

CAS: 7681-82-5 Cat. No.: S104084 Formula: NaI Molecular Weight: 149.89 EC Number: 231-679-3 PubChem CID: 5238
AVAILABLE TO ORDER
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥99.5%
Synonyms
Fdy-5301 | IODIDE (AS SODIUM IODIDE) [VANDF] | SODIUM IODIDE (USP MONOGRAPH) | SODIUM IODIDE [INCI] | SODIUM IODIDE (EP MONOGRAPH) | Natrii iodidum | Sodium iodide (NaI) | Sodium iodide, Trace metals grade | Iodide (as sodium iodide) | ioduro di sodio | S
Storage
Protected from light,Room temperature,Argon charged,Desiccated
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
100g
S104084-100g
3 In stock
—
$69.90
500g
S104084-500g
3 In stock
—
$197.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

AR, ≥99.5% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature,Argon charged,Desiccated 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 184 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Fdy-5301 | IODIDE (AS SODIUM IODIDE) [VANDF] | SODIUM IODIDE (USP MONOGRAPH) | SODIUM IODIDE [INCI] | SODIUM IODIDE (EP MONOGRAPH) | Natrii iodidum | Sodium iodide (NaI) | Sodium iodide, Trace metals grade | Iodide (as sodium iodide) | ioduro di sodio | S
Specifications & Purity
AR, ≥99.5%
Storage
Protected from light,Room temperature,Argon charged,Desiccated
Shipped In
Normal
Grade
AR
Purity
≥99.5%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508815502
Canonical Smiles
[Na+].[I-]
IUPAC Name
sodium;iodide
InChIKey
FVAUCKIRQBBSSJ-UHFFFAOYSA-M
INCHI
1S/HI.Na/h1H;/q;+1/p-1
Isomeric SMILES
[Na+].[I-]
WGK Germany
WGK 3
RTECS
WB6475000
PubChem CID
5238
UN Number
3077
Molecular Weight
149.89

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 sodium salts  
Molecular FrameworkNot available
Substituents Alkali metal iodide - Inorganic sodium salt - 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 inorganic sodium salt - iodide 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
Associated Targets(non-human)
Carbonic anhydrase (69 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Trypanosoma cruzi (99888 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.

36 results found

Lot NumberCertificate TypeDateItem
I2617928Certificate of AnalysisSep 28, 2026 S104084
I2617926Certificate of AnalysisSep 28, 2026 S104084
I2617925Certificate of AnalysisSep 28, 2026 S104084
A2306729Certificate of AnalysisSep 22, 2026 S104084
A2306726Certificate of AnalysisJul 06, 2026 S104084
E2608666Certificate of AnalysisMay 22, 2026 S104084
E2608542Certificate of AnalysisMay 22, 2026 S104084
E2608544Certificate of AnalysisMay 22, 2026 S104084
K2517783Certificate of AnalysisNov 25, 2025 S104084
K2517782Certificate of AnalysisNov 25, 2025 S104084
I2516375Certificate of AnalysisSep 19, 2025 S104084
I2516411Certificate of AnalysisSep 19, 2025 S104084
I2516412Certificate of AnalysisSep 19, 2025 S104084
I2502634Certificate of AnalysisSep 08, 2025 S104084
I2502633Certificate of AnalysisSep 08, 2025 S104084
I2502632Certificate of AnalysisSep 08, 2025 S104084
F2504460Certificate of AnalysisJun 10, 2025 S104084
F2504461Certificate of AnalysisJun 10, 2025 S104084
F2504465Certificate of AnalysisJun 10, 2025 S104084
B2510295Certificate of AnalysisFeb 14, 2025 S104084
B2510294Certificate of AnalysisFeb 14, 2025 S104084
B2510296Certificate of AnalysisFeb 13, 2025 S104084
L2417443Certificate of AnalysisDec 18, 2024 S104084
J2412042Certificate of AnalysisOct 18, 2024 S104084
C2327234Certificate of AnalysisOct 18, 2024 S104084
F2206066Certificate of AnalysisMar 20, 2024 S104084
F2206068Certificate of AnalysisMar 20, 2024 S104084
F2206065Certificate of AnalysisMar 20, 2024 S104084
B2429072Certificate of AnalysisMar 06, 2024 S104084
B2429073Certificate of AnalysisMar 05, 2024 S104084
B2217051Certificate of AnalysisNov 13, 2023 S104084
B2217050Certificate of AnalysisNov 13, 2023 S104084
A2306728Certificate of AnalysisOct 18, 2023 S104084
C2327235Certificate of AnalysisApr 17, 2023 S104084
D2115436Certificate of AnalysisJan 13, 2023 S104084
B2217052Certificate of AnalysisDec 01, 2021 S104084
Chemical and Physical Properties
SensitivityLight&air sensitive.Hygroscopic
Refractive Index1.7745
Boil Point(°C)1304°C
Melt Point(°C)651°C
Molecular Weight149.894 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass149.894 Da
Monoisotopic Mass149.894 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
Documents & Articles
Ammonium peroxydisulfate
Cerium Ammonium Nitrate, CAN
Phosphorous acid
Hydrogen peroxide
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)
Experimental Judgment for Differential Deprotection of Double Boc and Related N-Boc Systems: Substrate Type, Site-Response Differences, and Initial Condition Selection
Aldol Condensation Reaction
Basic Concepts about Catalysts
Potassium iodide
2-Iodylbenzoic Acid (IBX)
Why Primary and Secondary Amines Have Difficulty Participating Directly in the Classical Mitsunobu Reaction: Mechanism, Inversion of Configuration, and Reaction Scope of BEHT-Mediated Alcohol Amination
Construction and Transformation of Aziridines in Drug Synthesis: Ring Strain, N-Substituent Control, Selective Ring Opening, and Scaffold Expansion
The Piperidine Bioisosteric Potential of 4-Azaspiro[2.3]hexane: Geometry, Physicochemical Properties, and Synthetic Accessibility
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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