3-(4-Chlorophenyl)-2-propynoic acid
Also known as: (4-chlorophenyl)propiolic acid, (4-Chlorophenyl)propargylic Acid, 3-(4-chlorophenyl)propiolic acid, 3-(4-chlorophenyl)prop-2-ynoic acid, 4-Chlorophenylpropiolic acid, Propiolic acid, (p-chlorophenyl)- (8CI), 2-Propynoic acid, 3-(4-chlorophenyl)-
3-(4-Chlorophenyl)-2-propynoic acid (CAS 3240-10-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H5ClO2 and a molecular weight of 180.588 g/mol. Key properties include a melting point of 192-193ºC, a boiling point of 330.2±34.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 153.5±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3240-10-6
- Jingsj CID
- J-1323146-4
- Molecular Formula
- C9H5ClO2
- Molecular Weight
- 180.588 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 192-193ºC |
|---|---|
| Boiling Point | 330.2±34.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 153.5±25.7 °C |
| Exact Mass | 179.997803 |
| PSA | 37.30000 |
| LogP | 3.20 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.620 |
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 3-(4-Chlorophenyl)-2-propynoic acid?
The CAS number of 3-(4-Chlorophenyl)-2-propynoic acid is 3240-10-6.
What are the molecular formula and molecular weight of 3-(4-Chlorophenyl)-2-propynoic acid?
3-(4-Chlorophenyl)-2-propynoic acid has molecular formula C9H5ClO2 and molecular weight 180.588 g/mol.
What are the upstream and downstream products of 3-(4-Chlorophenyl)-2-propynoic acid?
For 3-(4-Chlorophenyl)-2-propynoic acid, Upstream Products: 1-Chloro-4-ethynylbenzene, Carbon dioxide, 1-Chloro-4-iodobenzene; Downstream Products: 3-(4-Chlorophenyl)-2-propyn-1-ol, Ethyl 3-(4-chlorophenyl)-2-propynoate, 2-(4-chlorophenyl)-1H-indole.
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-Chlorophenyl)-2-propynoic acid (CAS 3240-10-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323146-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.