Pyrithyldione
Also known as: 2,4(1H,3H)-Pyridinedione, 3,3-diethyl-, 2,4-Dioxo-3,3-diethyltetrahydropyridine, 3,3-Diethyl-1H-pyridine-2,4-dione, 3,3-Diethyl-2,4-dioxotetrahydropyridine, 3,3-Diethyl-2,4-pyridinedione, 3,3-Diethylpyridine-2,4(1H,3H)-dione, Benedorm, Didropyridine, Dihydroprylone, Persedon, Presidon, Pyridion, Pyridione, Pyrithyldion, Tetridin, Tetridine, EINECS 201-000-5
Pyrithyldione (CAS 77-04-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H13NO2 and a molecular weight of 167.20500 g/mol. Key properties include a boiling point of 187-189ºC (14 mmHg), a density of 1.029g/cm3 and a flash point of 147.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 77-04-3
- Jingsj CID
- J-49550-1
- Molecular Formula
- C9H13NO2
- Molecular Weight
- 167.20500 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 187-189ºC (14 mmHg) |
|---|---|
| Density | 1.029g/cm3 |
| Flash Point | 147.8ºC |
| Exact Mass | 167.09500 |
| PSA | 46.17000 |
| LogP | 1.33420 |
| Refractive Index | 1.464 |
Frequently Asked Questions
What is the CAS number of Pyrithyldione?
The CAS number of Pyrithyldione is 77-04-3.
What are the molecular formula and molecular weight of Pyrithyldione?
Pyrithyldione has molecular formula C9H13NO2 and molecular weight 167.20500 g/mol.
What are the upstream and downstream products of Pyrithyldione?
For Pyrithyldione, Upstream Products: ethyl 2,2-diethylacetoacetate; Downstream Products: Ethypicone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrithyldione (CAS 77-04-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49550-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.