Potassium periodate
Also known as: Potassium metaperiodate, Periodic acid potassium salt, Potassium tetroxoiodate(VII)
Potassium periodate (CAS 7790-21-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula IKO4 and a molecular weight of 230.000 g/mol. Key properties include a melting point of 582 °C and a density of 3.618. It is classified under GHS with signal word Danger and hazard statements H272, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7790-21-8
- Jingsj CID
- J-1991434-2
- Molecular Formula
- IKO4
- Molecular Weight
- 230.000 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 582 °C |
|---|---|
| Density | 3.618 |
| Exact Mass | 229.847824 |
| PSA | 74.27000 |
| LogP | 0.41050 |
| Additional Property | 0.42 g/100 mL (20 ºC) |
GHS Safety & Compliance
- H272
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of Potassium periodate?
The CAS number of Potassium periodate is 7790-21-8.
What are the molecular formula and molecular weight of Potassium periodate?
Potassium periodate has molecular formula IKO4 and molecular weight 230.000 g/mol.
Is Potassium periodate hazardous?
Potassium periodate has GHS signal word Danger and hazard statements H272; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Potassium periodate?
For Potassium periodate, Upstream Products: Potassium iodate, Potassium iodide, ozone; Downstream Products: Potassium iodide, Phenylurethane, Sodium periodate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Potassium periodate (CAS 7790-21-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991434-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.