1-Methoxy-1-buten-3-yne
Also known as: 1-BUTEN-3-YNYL METHYL ETHER, 1-Buten-3-yne, 1-methoxy-, 1-Buten-3-yne,1-methoxy, 1-Methoxy-but-1-en-3-in, 1-Methoxybutene-1-yne-3, 1-methoxy-1-buten-3-yne, 1-methoxy-but-1-en-3-yne, 4-methoxy-3-buten-1-yne, 4-methoxy-but-3-en-1-yne, Einecs 220-531-3, Ether, 1-buten-3-ynyl methyl, Methyl 1-butene-3-ynyl ether, but-1-en-3-ynyl methyl ether, NSC 65436
1-Methoxy-1-buten-3-yne (CAS 2798-73-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H6O and a molecular weight of 82.10050 g/mol. Key properties include a boiling point of 123.5ºC at 760mmHg and a density of 0.865g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2798-73-4
- Jingsj CID
- J-1155273-1
- Molecular Formula
- C5H6O
- Molecular Weight
- 82.10050 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 123.5ºC at 760mmHg |
|---|---|
| Density | 0.865g/cm3 |
| Exact Mass | 82.04190 |
| PSA | 9.23000 |
| LogP | 0.77970 |
| Vapor Pressure | 16mmHg at 25°C |
| Refractive Index | 1.437 |
Frequently Asked Questions
What is the CAS number of 1-Methoxy-1-buten-3-yne?
The CAS number of 1-Methoxy-1-buten-3-yne is 2798-73-4.
What are the molecular formula and molecular weight of 1-Methoxy-1-buten-3-yne?
1-Methoxy-1-buten-3-yne has molecular formula C5H6O and molecular weight 82.10050 g/mol.
What are the upstream and downstream products of 1-Methoxy-1-buten-3-yne?
For 1-Methoxy-1-buten-3-yne, Downstream Products: 4-Methoxy-3-buten-2-one, Propiolaldehyde, methyl formate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methoxy-1-buten-3-yne (CAS 2798-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1155273-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.