Methyl 3-phenyl-2-propynoate
Also known as: Methyl phenylpropiolate, 2-Propynoic acid, 3-phenyl-, methyl ester, Methyl Phenylpropargylate, Phenylpropargylic Acid Methyl Ester, Phenylpropiolic Acid Methyl Ester, Phenylpropynoic acid methyl ester, Propiolic acid, 3-phenyl-, methyl ester, methyl 3-phenylprop-2-ynoate, Methyl 3-phenylpropynoate, Methyl phenylacetylenecarboxylate
Methyl 3-phenyl-2-propynoate (CAS 4891-38-7) 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 26ºC, a boiling point of 247.9±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 117.4±6.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4891-38-7
- Jingsj CID
- J-40160-5
- 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 | 26ºC |
|---|---|
| Boiling Point | 247.9±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 117.4±6.7 °C |
| Exact Mass | 160.052429 |
| PSA | 26.30000 |
| LogP | 3.19 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.546 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
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 3-phenyl-2-propynoate?
The CAS number of Methyl 3-phenyl-2-propynoate is 4891-38-7.
What are the molecular formula and molecular weight of Methyl 3-phenyl-2-propynoate?
Methyl 3-phenyl-2-propynoate has molecular formula C10H8O2 and molecular weight 160.169 g/mol.
Is Methyl 3-phenyl-2-propynoate hazardous?
Methyl 3-phenyl-2-propynoate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Methyl 3-phenyl-2-propynoate?
For Methyl 3-phenyl-2-propynoate, Upstream Products: Phenylpropiolic acid, iodomethane, Iodobenzene; Downstream Products: Methyl cinnamate, Methyl 3-phenylpropanoate, Methyl 2,5-diphenyl-1,3-oxazole-4-carboxylate.
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 3-phenyl-2-propynoate (CAS 4891-38-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40160-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.