tert-Butyl 3-oxocyclobutanecarboxylate
Also known as: 3-Oxo-cyclobutanecarboxylic acid tert-butyl ester, Cyclobutanecarboxylic acid, 3-oxo-, 1,1-dimethylethyl ester, t-Butyl 3-oxocyclobutanecarboxylate, tert-butyl 3-oxocyclobutane-1-carboxylate, WT2057
tert-Butyl 3-oxocyclobutanecarboxylate (CAS 145549-76-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H14O3 and a molecular weight of 170.206 g/mol. Key properties include a boiling point of 230.4±33.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 93.4±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 145549-76-4
- Jingsj CID
- J-1164328-0
- Molecular Formula
- C9H14O3
- Molecular Weight
- 170.206 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 230.4±33.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 93.4±25.4 °C |
| Exact Mass | 170.094299 |
| PSA | 43.37000 |
| LogP | 0.66 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.473 |
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyl 3-oxocyclobutanecarboxylate?
The CAS number of tert-Butyl 3-oxocyclobutanecarboxylate is 145549-76-4.
What are the molecular formula and molecular weight of tert-Butyl 3-oxocyclobutanecarboxylate?
tert-Butyl 3-oxocyclobutanecarboxylate has molecular formula C9H14O3 and molecular weight 170.206 g/mol.
What are the upstream and downstream products of tert-Butyl 3-oxocyclobutanecarboxylate?
For tert-Butyl 3-oxocyclobutanecarboxylate, Upstream Products: 3-Oxocyclobutanecarboxylic acid, tert-Butanol, 2,2-dimethylpropane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyl 3-oxocyclobutanecarboxylate (CAS 145549-76-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1164328-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.