Potassium carbonate
Also known as: Potash, Pearl ash, Salt of tartar, Dipotassium carbonate, Carbonic acid dipotassium salt, K-Gran, Montreal potash, Anhydrous potassium carbonate, Potassium carbonate anhydrous, Burnt tartar
Potassium carbonate (CAS 584-08-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CK2O3 and a molecular weight of 138.21 g/mol. Key properties include a melting point of 891 °C(lit.), a boiling point of 333.6ºC at 760 mmHg, a density of 2.43 g/mL at 25 °C and a flash point of 111ºC. 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 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 584-08-7
- Jingsj CID
- J-38498-2
- Molecular Formula
- CK2O3
- Molecular Weight
- 138.21 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 891 °C(lit.) |
|---|---|
| Boiling Point | 333.6ºC at 760 mmHg |
| Density | 2.43 g/mL at 25 °C |
| Flash Point | 111ºC |
| Exact Mass | 137.912155 |
| PSA | 63.19000 |
| Additional Property | 1120 g/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2836400000 |
|---|
Frequently Asked Questions
What is the CAS number of Potassium carbonate?
The CAS number of Potassium carbonate is 584-08-7.
What are the molecular formula and molecular weight of Potassium carbonate?
Potassium carbonate has molecular formula CK2O3 and molecular weight 138.21 g/mol.
Which suppliers offer Potassium carbonate?
1 supplier(s) listed; request a quote for pricing.
Is Potassium carbonate hazardous?
Potassium carbonate 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 carbonate?
For Potassium carbonate, Upstream Products: Potassium formate, Potassium cyanate, Potassium oxalate monohydrate; Downstream Products: N-[4-(quinolin-2-ylmethoxy)phenyl]acetamide, 2-(4-benzhydrylpiperazin-1-yl)ethanol, Zinc acetate.
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 carbonate (CAS 584-08-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38498-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.