tert-butyl 2-ethynylpiperidine-1-carboxylate
Also known as: 1-Boc-2-ethynylpiperidine, 1-piperidinecarboxylic acid, 2-ethynyl-, 1,1-dimethylethyl ester, 2-ethynyl-piperidine-1-carboxylic acid tert-butyl ester, 2-methyl-2-propanyl 2-ethynyl-1-piperidinecarboxylate
tert-butyl 2-ethynylpiperidine-1-carboxylate (CAS 255864-58-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H19NO2 and a molecular weight of 209.285 g/mol. Key properties include a boiling point of 269.6±29.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 116.8±24.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 255864-58-5
- Jingsj CID
- J-1357931-2
- Molecular Formula
- C12H19NO2
- Molecular Weight
- 209.285 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 269.6±29.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 116.8±24.3 °C |
| Exact Mass | 209.141586 |
| PSA | 29.54000 |
| LogP | 2.11 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.491 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of tert-butyl 2-ethynylpiperidine-1-carboxylate?
The CAS number of tert-butyl 2-ethynylpiperidine-1-carboxylate is 255864-58-5.
What are the molecular formula and molecular weight of tert-butyl 2-ethynylpiperidine-1-carboxylate?
tert-butyl 2-ethynylpiperidine-1-carboxylate has molecular formula C12H19NO2 and molecular weight 209.285 g/mol.
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 2-ethynylpiperidine-1-carboxylate (CAS 255864-58-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357931-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.