Potassium tert-butoxide
Also known as: Potassium t-butoxide, Potassium tert-butylate, Potassium tert-butanolate, t-BuOK, KTB, tert-Butyl alcohol potassium salt, 2-Methyl-2-propanol potassium salt, Potassium 2-methylpropan-2-olate
Potassium tert-butoxide (CAS 865-47-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H10KO and a molecular weight of 112.21 g/mol. Key properties include a melting point of 256-258 °C (dec.)(lit.), a boiling point of 275°C, a density of 0.910 g/mL at 20 °C and a flash point of 12.2 °C. It is classified under GHS with signal word Danger and hazard statements H228, H260 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 865-47-4
- Jingsj CID
- J-12830-4
- Molecular Formula
- C4H10KO
- Molecular Weight
- 112.21 g/mol
- Category
- Alcohols
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 256-258 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 275°C |
| Density | 0.910 g/mL at 20 °C |
| Flash Point | 12.2 °C |
| Exact Mass | 112.029045 |
| PSA | 23.06000 |
| LogP | 1.21540 |
| Vapor Pressure | 1 mm Hg ( 220 °C) |
| Additional Property | REACTS |
GHS Safety & Compliance
- H228
- H260
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Potassium tert-butoxide?
The CAS number of Potassium tert-butoxide is 865-47-4.
What are the molecular formula and molecular weight of Potassium tert-butoxide?
Potassium tert-butoxide has molecular formula C4H10KO and molecular weight 112.21 g/mol.
Is Potassium tert-butoxide hazardous?
Potassium tert-butoxide has GHS signal word Danger and hazard statements H228; H260; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Potassium tert-butoxide?
For Potassium tert-butoxide, Upstream Products: tert-Butanol; Downstream Products: 2-Butene, 1,1-diethoxy-, Potassium phenoxide, Divinyl ether.
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 tert-butoxide (CAS 865-47-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12830-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.