tert-butyl 4-ethynylbenzoate
4-乙炔基苯甲酸叔丁酯
Also known as: benzoic acid, 4-ethynyl-, 1,1-dimethylethyl ester, 4-ethynylbenzoic acid tert-butyl ester, 4-ethynylbenzoic acid 1,1-dimethylethyl ester, 1,1-dimethylethyl 4-ethynylbenzoate, t-butyl 4-ethynylbenzoate
tert-butyl 4-ethynylbenzoate (CAS 111291-97-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H14O2 and a molecular weight of 202.24900 g/mol. It is also known as benzoic acid, 4-ethynyl-, 1,1-dimethylethyl ester, 4-ethynylbenzoic acid tert-butyl ester and 4-ethynylbenzoic acid 1,1-dimethylethyl ester. Key properties include a boiling point of 279.525ºC at 760 mmHg, a density of 1.046g/cm3 and a flash point of 112.148ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 111291-97-5
- Jingsj CID
- J-1511828-6
- Molecular Formula
- C13H14O2
- Chinese Name
- 4-乙炔基苯甲酸叔丁酯
- Molecular Weight
- 202.24900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 279.525ºC at 760 mmHg |
|---|---|
| Density | 1.046g/cm3 |
| Flash Point | 112.148ºC |
Frequently Asked Questions
What is the CAS number of tert-butyl 4-ethynylbenzoate?
The CAS number of tert-butyl 4-ethynylbenzoate is 111291-97-5.
What are the molecular formula and molecular weight of tert-butyl 4-ethynylbenzoate?
tert-butyl 4-ethynylbenzoate has molecular formula C13H14O2 and molecular weight 202.24900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-butyl 4-ethynylbenzoate (CAS 111291-97-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511828-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.