Molekula
Sodium iodide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sodium iodide is a white crystalline solid used in pharmaceuticals, radiology, and chemical synthesis. It is also used in photographic processing, as a solvent for iodine, in cloud seeding, and, when thallium-activated, in scintillation crystals for radiation detection. It serves as a source of iodide ions in medical imaging and research. Available in high purity, it is stable at ambient temperatures. CAS: 7681-82-5, Molecular formula: NaI, Molecular weight: 149.9 g/mol. Molekula supplies Sodium iodide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Assay/Purity | 99% min |
| Heavy metals | < 0.002% |
| Loss on Drying | < 0.3% |
| Chloride (Cl-) | < 0.2% |
| Sulphates (SO4)(2-) | < 0.4% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless, cubic crystals |
| Odour | Odorless |
| Melting Point | 660 °C |
| Boiling Point | 1304 °C |
| Vapour Pressure | 1 mmHg at 767 °C |
| Refractive Index | 1.7745 |
Source: PubChem CID 5238 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90005174 |
| CAS Number | 7681-82-5 |
| IUPAC Name | sodium iodide |
| EC Number | 231-679-3 |
| Molecular Formula | NaI |
| Molecular Weight | 149.9 |
| Exact Mass | 149.8942 |
| SMILES | [Na+].[I-] |
| InChIKey | FVAUCKIRQBBSSJ-UHFFFAOYSA-M |
| InChI | InChI=1S/HI.Na/h1H;/q;+1/p-1 |
| PubChem CID | 5238 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28276051 |
| Tariff Code | 2827600010 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H372 Causes damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Iodide (as sodium iodide)
- Iodure de sodium
- Ioduril
- Jodid sodny
- Natrii iodidum
- Natriumjodid
- Sodium iodide (NaI)
- Sodium iodide, ultra dry
- Sodium monoiodide
- Soiodin
Frequently asked questions
What is sodium iodide used for?
Sodium iodide is commonly used in pharmaceuticals, as a radiographic contrast agent, and in the synthesis of organic compounds.
What is the chemical formula and molecular weight of sodium iodide?
The formula is NaI and the molecular weight is 149.9 g/mol.
How should sodium iodide be stored?
Store at ambient temperature, protected from moisture and light.
What grade of sodium iodide does Molekula supply?
Molekula supplies sodium iodide in reagent grade.
Can Molekula supply sodium iodide in bulk?
Yes, Molekula can supply sodium iodide in bulk quantities upon request.
What documentation comes with a sodium iodide order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.