methyl 2-ethynylbenzoate
Also known as: 2-ethynyl-benzoic acid methyl ester, methyl o-ethynylbenzoate, o-methoxycarbonylphenylacetylene, 2-ethynyl-benzoic acid methyl ester, 1-ethynyl-2-methoxycarbonylbenzene, NSC 649436, Benzoic acid, 2-ethynyl-, methyl ester, ortho-methoxycarbonylphenylacetylene, 2-methoxycarbonylphenylacetylene
methyl 2-ethynylbenzoate (CAS 33577-99-0) 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 boiling point of 250.3±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 97.6±20.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33577-99-0
- Jingsj CID
- J-1440201-8
- 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
| Boiling Point | 250.3±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 97.6±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 |
| Additional Property | Very slightly soluble (0.27 g/L) (25 ºC) |
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 2-ethynylbenzoate?
The CAS number of methyl 2-ethynylbenzoate is 33577-99-0.
What are the molecular formula and molecular weight of methyl 2-ethynylbenzoate?
methyl 2-ethynylbenzoate has molecular formula C10H8O2 and molecular weight 160.169 g/mol.
What are the upstream and downstream products of methyl 2-ethynylbenzoate?
For methyl 2-ethynylbenzoate, Upstream Products: Methyl 2-iodobenzoate, Acetylene, Methyl 2-bromobenzoate; Downstream Products: 4-Methoxy-1-naphthol, 2-Naphthol, 2-ethynylbenzoic acid.
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 2-ethynylbenzoate (CAS 33577-99-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1440201-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.