methyl 4-ethynylbenzoate
Also known as: 4-Ethynylbenzoic acid methyl ester, 4-(Methoxycarbonyl)phenylacetylene, p-Ethynylbenzoic acid methyl ester, methyl para-ethynylbenzoate, Benzoic acid, 4-ethynyl-, methyl ester, Methyl p-ethynylbenzoate, 1-ethynyl-4-methoxycarbonylbenzene, para-methoxycarbonylphenylacetylene
methyl 4-ethynylbenzoate (CAS 3034-86-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8O2 and a molecular weight of 160.169 g/mol. Key properties include a melting point of 95 °C, a boiling point of 239.4±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 92.0±20.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3034-86-4
- Jingsj CID
- J-1395623-5
- Molecular Formula
- C10H8O2
- Molecular Weight
- 160.169 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 95 °C |
|---|---|
| Boiling Point | 239.4±23.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 92.0±20.0 °C |
| Exact Mass | 160.052429 |
| PSA | 26.30000 |
| LogP | 2.38 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.538 |
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of methyl 4-ethynylbenzoate?
The CAS number of methyl 4-ethynylbenzoate is 3034-86-4.
What are the molecular formula and molecular weight of methyl 4-ethynylbenzoate?
methyl 4-ethynylbenzoate has molecular formula C10H8O2 and molecular weight 160.169 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. "methyl 4-ethynylbenzoate (CAS 3034-86-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1395623-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.