Diantipyrylmethane
Also known as: Trichachnine, 4,4'-Methylenediantipyrine, 4,4'-Diantipyrylmethane, 4,4'-Methylenebis(1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one), Bisantipyrylmethane, Diantipyrinylmethane, Diantipyryl methane, DIANTIPYRRYLMETHANE, TOSLAB 33092, NSC 60670
Diantipyrylmethane (CAS 1251-85-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C23H24N4O2 and a molecular weight of 388.462 g/mol. Key properties include a melting point of 156 °C (dec.)(lit.), a boiling point of 515.2±60.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 212.5±25.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1251-85-0
- Jingsj CID
- J-1114623-9
- Molecular Formula
- C23H24N4O2
- Molecular Weight
- 388.462 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 515.2±60.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 212.5±25.2 °C |
| Exact Mass | 388.189911 |
| PSA | 53.86000 |
| LogP | 0.84 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.628 |
Customs & Trade Information
| HS Code | 2942000000 |
|---|
Frequently Asked Questions
What is the CAS number of Diantipyrylmethane?
The CAS number of Diantipyrylmethane is 1251-85-0.
What are the molecular formula and molecular weight of Diantipyrylmethane?
Diantipyrylmethane has molecular formula C23H24N4O2 and molecular weight 388.462 g/mol.
What are the upstream and downstream products of Diantipyrylmethane?
For Diantipyrylmethane, Upstream Products: Formaldehyde, Antipyrine, iodomethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diantipyrylmethane (CAS 1251-85-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1114623-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.