Potassium iodide
Also known as: EINECS 231-659-4, MFCD00011355, POTASSIUM MONOIODIDE, Patassium Iodide, Potassium iodide (JP15/USP), Potassium iodide [JAN], Potassium salt of hydriodic acid, iodic acid potassium salt, potassium iodide, potassium,iodide
Potassium iodide (CAS 7681-11-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula IK and a molecular weight of 166.003 g/mol. Key properties include a melting point of 680 ºC, a boiling point of 1330 ºC, a density of 3.13 and a flash point of 1330°C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 2 suppliers, 1 of which publish reference prices, from 0.56 to 10.90 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 7681-11-0
- Jingsj CID
- J-1334751-4
- Molecular Formula
- IK
- Molecular Weight
- 166.003 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 500g | ¥280.00 | $0.08 /gBest ¥0.56/g CNY | CN China MOQ 500g | |
In Stock | GR 500g | ¥360.00 | $0.11 /g ¥0.72/g CNY | CN China MOQ 500g | |
In Stock | ACS 500g | ¥600.00 | $0.18 /g ¥1.20/g CNY | CN China MOQ 500g |
Physicochemical Properties
| Melting Point | 680 ºC |
|---|---|
| Boiling Point | 1330 ºC |
| Density | 3.13 |
| Flash Point | 1330°C |
| Exact Mass | 165.868164 |
| Additional Property | 9 (vs air) |
| Vapor Pressure | 0.31 mm Hg ( 25 °C) |
| Refractive Index | 1.677 |
| Additional Property | 1.43 kg/L |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2827600000 |
|---|
Frequently Asked Questions
What is the CAS number of Potassium iodide?
The CAS number of Potassium iodide is 7681-11-0.
What are the molecular formula and molecular weight of Potassium iodide?
Potassium iodide has molecular formula IK and molecular weight 166.003 g/mol.
Which suppliers offer Potassium iodide?
2 supplier(s) listed; reference unit price ¥0.56–10.90 /g.
Is Potassium iodide hazardous?
Potassium iodide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Potassium iodide?
For Potassium iodide, Upstream Products: Potassium iodate, Hydrazine sulfate, molecular iodine; Downstream Products: 5-Iodo-2-methylbenzoic acid, Potassium thiocyanate, CARBON TETRAIODIDE.
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 iodide (CAS 7681-11-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334751-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.