Pyromeconic acid
Also known as: 3-hydroxy-4H-pyran-4-one, 3-hydroxy-4-pyrone, 3-hydroxy-γ-pyrone, 4H-Pyran-4-one, 3-hydroxy-, 3-hydroxypyran-4-one, Pyrocomenic acid
Pyromeconic acid (CAS 496-63-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H4O3 and a molecular weight of 112.084 g/mol. Key properties include a melting point of 117-118ºC, a boiling point of 298.7±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 139.9±20.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 496-63-9
- Jingsj CID
- J-35995-5
- Molecular Formula
- C5H4O3
- Molecular Weight
- 112.084 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 117-118ºC |
|---|---|
| Boiling Point | 298.7±40.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 139.9±20.8 °C |
| Exact Mass | 112.016045 |
| PSA | 50.44000 |
| LogP | -0.57 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.593 |
| Storage Conditions | -20?C Freezer |
Activity & Biological Data
| Target | Fungal[1] |
|---|
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 Pyromeconic acid?
The CAS number of Pyromeconic acid is 496-63-9.
What are the molecular formula and molecular weight of Pyromeconic acid?
Pyromeconic acid has molecular formula C5H4O3 and molecular weight 112.084 g/mol.
What are the upstream and downstream products of Pyromeconic acid?
For Pyromeconic acid, Upstream Products: 3-(Benzyloxy)-4H-pyran-4-one, 5-(benzyloxy)-4-oxo-4H-pyran-2-carboxylic acid, Furfuryl alcohol; Downstream Products: 1-methyl-3-(phenylmethoxy)-4(1H)-pyridinone, 3-(Benzyloxy)-4H-pyran-4-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. "Pyromeconic acid (CAS 496-63-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35995-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.