3-(4-Methoxyphenyl)propiolic acid
Also known as: 2-Propynoic acid, 3-(4-methoxyphenyl)-, (4-Methoxyphenyl)propiolic acid, (4-Methoxy-phenyl)-propynoic acid, 3-(4-methoxyphenyl)prop-2-ynoic acid, 3-(4-methoxyphenyl)-2-propynoic acid
3-(4-Methoxyphenyl)propiolic acid (CAS 2227-57-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8O3 and a molecular weight of 176.16900 g/mol. Key properties include a boiling point of 340.9ºC at 760 mmHg, a density of 1.26g/cm3 and a flash point of 139.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2227-57-8
- Jingsj CID
- J-1441454-1
- Molecular Formula
- C10H8O3
- Molecular Weight
- 176.16900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 340.9ºC at 760 mmHg |
|---|---|
| Density | 1.26g/cm3 |
| Flash Point | 139.1ºC |
| Exact Mass | 176.04700 |
| PSA | 46.53000 |
| LogP | 1.13130 |
| Vapor Pressure | 3.21E-05mmHg at 25°C |
| Refractive Index | 1.582 |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-(4-Methoxyphenyl)propiolic acid?
The CAS number of 3-(4-Methoxyphenyl)propiolic acid is 2227-57-8.
What are the molecular formula and molecular weight of 3-(4-Methoxyphenyl)propiolic acid?
3-(4-Methoxyphenyl)propiolic acid has molecular formula C10H8O3 and molecular weight 176.16900 g/mol.
What are the upstream and downstream products of 3-(4-Methoxyphenyl)propiolic acid?
For 3-(4-Methoxyphenyl)propiolic acid, Upstream Products: Carbon dioxide, 1-Ethynyl-4-methoxybenzene, 4-Iodoanisole; Downstream Products: 1-Ethynyl-4-methoxybenzene, Ethyl 4-methoxycinnamate, 1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(4-Methoxyphenyl)propiolic acid (CAS 2227-57-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1441454-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.