Molekula
Iodine 0.5M solution
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
Iodine 0.5M solution is a standardized aqueous iodine preparation primarily used as a titrant in analytical chemistry, microbiological assays, and iodine value determinations in fats and oils. It provides precise iodine concentration for redox reactions, staining, and disinfection protocols. This product features a 0.5 mol/L iodine concentration in potassium iodide solution, with a CAS number of 7553-56-2 and molecular formula I₂, molecular weight 253.81 g/mol. Store at ambient conditions; contains a warning signal for safe handling. Molekula supplies Iodine 0.5M solution 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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90037799 |
| CAS Number | 7553-56-2 |
| IUPAC Name | molecular iodine |
| EC Number | 231-442-4 |
| Molecular Formula | I2 |
| Molecular Weight | 253.81 |
| Exact Mass | 253.809 |
| SMILES | II |
| InChIKey | PNDPGZBMCMUPRI-UHFFFAOYSA-N |
| InChI | InChI=1S/I2/c1-2 |
| PubChem CID | 807 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 28012000 |
| Tariff Code | 2801200000 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- Diiodine
- Eranol
- Iode
- iodine
- Iodine crystals
- Iodine sublimed
- Iodio
- Molecular iodine
- Tincture iodine
- Vistarin
Frequently asked questions
What is a 0.5M iodine solution commonly used for?
This solution is primarily used in laboratories for titrations, staining (e.g., Gram’s iodine in microbiology), and as a reagent in organic synthesis or analytical chemistry.
What is the molecular formula and molecular weight of iodine in this solution?
The molecular formula is **I₂**, and the molecular weight is **253.81 g/mol**.
How should this iodine solution be stored?
Store at **ambient temperature** in a tightly sealed container, away from direct light and incompatible substances like metals or reducing agents.
What purity grade is available for this iodine solution?
Molekula supplies this as a **laboratory reagent grade** (typically ≥99% purity), suitable for most analytical and research applications.
Can Molekula supply this iodine solution in bulk quantities?
Yes, we offer this solution in bulk—contact us for custom packaging options (e.g., 1L, 5L, or larger volumes) based on your requirements.
What documentation is provided with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and a **product specification sheet** detailing purity, hazards, and handling instructions.
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.