3,4-Dihydro-2H-pyran-2-carbaldehyde
Also known as: 2-Formyl-3,4-dihydro-2H-pyran, Acrolein dimer, 2-Propenal dimer, 2H-Pyran-2-carboxaldehyde, 3,4-dihydro-, 3,4-Dihydro-2H-pyran-2-carboxaldehyde, Pyran aldehyde, 2-formyldihydropyran, 5-Hexenal, 2,6-epoxy-
3,4-Dihydro-2H-pyran-2-carbaldehyde (CAS 100-73-2) is a compound in the Organic Compounds 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 melting point of -100ºC, a boiling point of 185.1±39.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 73.4±20.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 100-73-2
- Jingsj CID
- J-1512850-4
- Molecular Formula
- C6H8O2
- Molecular Weight
- 112.127 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -100ºC |
|---|---|
| Boiling Point | 185.1±39.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 73.4±20.6 °C |
| Exact Mass | 112.052429 |
| PSA | 26.30000 |
| LogP | -0.17 |
| Vapor Pressure | 0.7±0.4 mmHg at 25°C |
| Refractive Index | 1.547 |
Frequently Asked Questions
What is the CAS number of 3,4-Dihydro-2H-pyran-2-carbaldehyde?
The CAS number of 3,4-Dihydro-2H-pyran-2-carbaldehyde is 100-73-2.
What are the molecular formula and molecular weight of 3,4-Dihydro-2H-pyran-2-carbaldehyde?
3,4-Dihydro-2H-pyran-2-carbaldehyde has molecular formula C6H8O2 and molecular weight 112.127 g/mol.
What are the upstream and downstream products of 3,4-Dihydro-2H-pyran-2-carbaldehyde?
For 3,4-Dihydro-2H-pyran-2-carbaldehyde, Upstream Products: Acrolein, 3,4-Dihydro-2H-pyran-2-methanol, acrylic acid methyl ester; Downstream Products: 2-(Bromomethyl)tetrahydro-2H-pyran, 3,4-Dihydro-2H-pyran-2-methanol, Tetrahydro-2H-pyran-2-carbaldehyde.
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-Dihydro-2H-pyran-2-carbaldehyde (CAS 100-73-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512850-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.