Cobalt(II) iodide dihydrate
Also known as: cobalt iodide dihydrate, cobaltous iodide dihydrate, cobalt(2+) diiodide, cobaltous diiodide, cobalt(II) iodide dihydrate (8CI,9CI)
Cobalt(II) iodide dihydrate (CAS 13455-29-3) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula CoH4I2O2 and a molecular weight of 348.77300 g/mol. Key properties include a melting point of 99-101ºC (dec.) and a density of 2.90 [MER06]. It is listed by 2 suppliers, 1 of which publish reference prices, from 18.40 to 53.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 13455-29-3
- Jingsj CID
- J-6215-4
- Molecular Formula
- CoH4I2O2
- Molecular Weight
- 348.77300 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99% 500g | ¥9,200.00 | $2.75 /gBest ¥18.40/g CNY | CN China MOQ 500g | |
Made to Order | 99% 100g | ¥2,000.00 | $2.99 /g ¥20.00/g CNY | CN China MOQ 100g | |
Made to Order | 99% 25g | ¥525.00 | $3.14 /g ¥21.00/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 99-101ºC (dec.) |
|---|---|
| Density | 2.90 [MER06] |
| Exact Mass | 348.76300 |
| PSA | 18.46000 |
| LogP | 1.64280 |
| Additional Property | soluble H2O to give red solution below 20°C, olive green color 20°C–40°C [MER06] |
Frequently Asked Questions
What is the CAS number of Cobalt(II) iodide dihydrate?
The CAS number of Cobalt(II) iodide dihydrate is 13455-29-3.
What are the molecular formula and molecular weight of Cobalt(II) iodide dihydrate?
Cobalt(II) iodide dihydrate has molecular formula CoH4I2O2 and molecular weight 348.77300 g/mol.
Which suppliers offer Cobalt(II) iodide dihydrate?
2 supplier(s) listed; reference unit price ¥18.40–53.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cobalt(II) iodide dihydrate (CAS 13455-29-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6215-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.