Molekula
Mercury 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
Mercury iodide (Hg2I2) is a yellow to greenish-yellow solid inorganic compound primarily used in analytical chemistry, photochromic applications, and as a reagent in organic synthesis. It is also employed in some types of mercury-vapor lamps and as a sensitizer in photographic processes. This chemical has a CAS number of 15385-57-6, a molecular formula of Hg2I2, and a molecular weight of 654.99 g/mol. It must be stored between 2 to 8°C and carries a Danger signal word due to its toxicity. Molekula supplies mercury 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 |
|---|---|
| Appearance | Red powder |
| Identification | Conforms to reference |
| Assay | ≥ 99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89982560 |
| CAS Number | 15385-57-6 |
| Molecular Formula | Hg2I2 |
| Molecular Weight | 654.99 |
| SMILES | I[Hg].I[Hg] |
| UN Number | UN1638 |
| REACH Code | Y110 |
| HTS Code | 2852109000 |
| Tariff Code | 2852100000 |
Safety & GHS
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H300 +H310 + H330 Fatal if swallowed, in contact with skin or if inhaled
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P262 Do not get in eyes, on skin, or on clothing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+334 IF ON SKIN: Immerse in cool water/wrap in wet bandages
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
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
No alternate names recorded for this product.
Frequently asked questions
What is mercury(I) iodide (Hg2I2) commonly used for?
Mercury(I) iodide was historically used in medicine as 'protiodide of mercury'. Today it is supplied mainly as a laboratory and research chemical.
What is the chemical formula and molecular weight of mercury(I) iodide?
The chemical formula is Hg2I2, and the molecular weight is 654.99 g/mol.
How should mercury(I) iodide be stored?
Store mercury(I) iodide at 2–8°C in a tightly sealed container, protected from light and moisture, and in a designated chemical storage area.
What purity grades of mercury(I) iodide does Molekula supply?
Molekula supplies mercury(I) iodide in ACS reagent grade (99.0–99.9% purity) and technical grade (98.0%+ purity). Let us know if you require a specific grade.
Can Molekula supply mercury(I) iodide in bulk quantities?
Yes, we can supply mercury(I) iodide in bulk. Minimum order quantities vary by grade, so contact us for pricing and availability.
What documentation comes with a mercury(I) iodide order?
Each order includes a Certificate of Analysis (CoA), a Material Safety Data Sheet (MSDS/SDS), and a packing list. Additional documentation, such as a Certificate of Origin, is available on request.
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.