Ethyl 2-butynoate
Also known as: Ethyl tetrolate, Tetrolic Acid Ethyl Ester, Ethyl 1-propynecarboxylate, Ethyl 3-methylpropiolate, 2-Butynoic Acid Ethyl Ester, ethyl but-2-ynoate, 2-Butynoic acid, ethyl ester
Ethyl 2-butynoate (CAS 4341-76-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O2 and a molecular weight of 112.127 g/mol. Key properties include a boiling point of 163.0±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 53.2±6.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4341-76-8
- Jingsj CID
- J-47827-3
- Molecular Formula
- C6H8O2
- Molecular Weight
- 112.127 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 163.0±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 53.2±6.7 °C |
| Exact Mass | 112.052429 |
| PSA | 26.30000 |
| LogP | 1.97 |
| Vapor Pressure | 2.1±0.3 mmHg at 25°C |
| Refractive Index | 1.431 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethyl 2-butynoate?
The CAS number of Ethyl 2-butynoate is 4341-76-8.
What are the molecular formula and molecular weight of Ethyl 2-butynoate?
Ethyl 2-butynoate has molecular formula C6H8O2 and molecular weight 112.127 g/mol.
Is Ethyl 2-butynoate hazardous?
Ethyl 2-butynoate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Ethyl 2-butynoate?
For Ethyl 2-butynoate, Upstream Products: Propyne, Ethyl acetoacetate, 2-Butynoic acid; Downstream Products: Ethyl 2-methyl-1H-indole-3-carboxylate, Ethyl (E)-3-(1-pyrrolidino)crotonate, 3-Methyl-3-pyrazolin-5-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 2-butynoate (CAS 4341-76-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47827-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.