2-Ethoxy-3,4-dihydro-2H-pyran
Also known as: 3,4-Dihydro-2-ethoxy-2H-pyran, 2-Ethoxydihydropyran, 2-Ethoxy-2,3-dihydro-4H-pyran, 2-Ethoxy-2,3-dihydro-gamma-pyran, 2-Ethoxy-2,3-dihydro(4H)pyran, 2-Ethoxy-3,4-dihydro-2-pyran, 2-Ethoxypyran, 2-ethoxy-(2H)-3,4-dihydropyran, 6-ethoxy-2,3-dihydropyran, ETHOXYDIHYDROPYRAN, MFCD00006561, NSC 6271
2-Ethoxy-3,4-dihydro-2H-pyran (CAS 103-75-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.16900 g/mol. Key properties include a melting point of -100ºC, a boiling point of 42 °C16 mm Hg(lit.), a density of 0.957 g/mL at 25 °C(lit.) and a flash point of 24.4 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 103-75-3
- Jingsj CID
- J-1359564-7
- Molecular Formula
- C7H12O2
- Molecular Weight
- 128.16900 g/mol
- Category
- Organic Compounds
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -100ºC |
|---|---|
| Boiling Point | 42 °C16 mm Hg(lit.) |
| Density | 0.957 g/mL at 25 °C(lit.) |
| Flash Point | 24.4 °C |
| Exact Mass | 128.08400 |
| PSA | 18.46000 |
| LogP | 1.67310 |
| Vapor Pressure | 0.811mmHg at 25°C |
| Refractive Index | n20/D 1.439(lit.) |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Ethoxy-3,4-dihydro-2H-pyran?
The CAS number of 2-Ethoxy-3,4-dihydro-2H-pyran is 103-75-3.
What are the molecular formula and molecular weight of 2-Ethoxy-3,4-dihydro-2H-pyran?
2-Ethoxy-3,4-dihydro-2H-pyran has molecular formula C7H12O2 and molecular weight 128.16900 g/mol.
What are the upstream and downstream products of 2-Ethoxy-3,4-dihydro-2H-pyran?
For 2-Ethoxy-3,4-dihydro-2H-pyran, Upstream Products: Ethyl vinyl ether, Acrolein; Downstream Products: glutaraldehyde, 3,4-Dihydro-2H-pyran.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Ethoxy-3,4-dihydro-2H-pyran (CAS 103-75-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359564-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.