Potassium methoxide
Also known as: Potassium methanolate, Potassium methylate, Methanol, potassium salt (1:1), Methoxypotassium, Kaliummethanolat
Potassium methoxide (CAS 865-33-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula CH3KO and a molecular weight of 70.132 g/mol. Key properties include a melting point of -20°C, a boiling point of 84°C, a density of 0.95 g/mL at 20 °C and a flash point of 7°C. It is classified under GHS with signal word Danger and hazard statements H251 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 865-33-8
- Jingsj CID
- J-1337363-6
- Molecular Formula
- CH3KO
- Molecular Weight
- 70.132 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -20°C |
|---|---|
| Boiling Point | 84°C |
| Density | 0.95 g/mL at 20 °C |
| Flash Point | 7°C |
| Exact Mass | 69.982094 |
| PSA | 23.06000 |
| LogP | 0.04670 |
| Refractive Index | n20/D 1.37 |
| Additional Property | may decompose |
GHS Safety & Compliance
- H251
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 29051900 |
|---|
Frequently Asked Questions
What is the CAS number of Potassium methoxide?
The CAS number of Potassium methoxide is 865-33-8.
What are the molecular formula and molecular weight of Potassium methoxide?
Potassium methoxide has molecular formula CH3KO and molecular weight 70.132 g/mol.
Is Potassium methoxide hazardous?
Potassium methoxide has GHS signal word Danger and hazard statements H251; H314 — Causes severe skin burns and eye damage.
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 methoxide (CAS 865-33-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1337363-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.