Benzo[3,4]fluoreno[2,1-b]pyran-13(3H)-one, 3,3-bis(4-methoxyphenyl)-
3,3-双(4-甲氧基苯基)苯并[h]茚[2,1-f]苯并哌喃-13(3H)-酮
Also known as: 3,3-bis(4-methoxyphenyl)benzo[h]indeno[2,1-f]chromen-13(3H)-one, Benzo[3,4]fluoreno[2,1-b]pyran-13(3H)-one, 3,3-bis(4-methoxyphenyl)-
Benzo[3,4]fluoreno[2,1-b]pyran-13(3H)-one, 3,3-bis(4-methoxyphenyl)- (CAS 178990-04-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C34H24O4 and a molecular weight of 496.552 g/mol. It is also known as 3,3-bis(4-methoxyphenyl)benzo[h]indeno[2,1-f]chromen-13(3H)-one. Key properties include a boiling point of 714.3±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 302.3±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 178990-04-0
- Jingsj CID
- J-1526926-1
- Molecular Formula
- C34H24O4
- Chinese Name
- 3,3-双(4-甲氧基苯基)苯并[h]茚[2,1-f]苯并哌喃-13(3H)-酮
- Molecular Weight
- 496.552 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 714.3±60.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 302.3±32.9 °C |
Frequently Asked Questions
What is the CAS number of Benzo[3,4]fluoreno[2,1-b]pyran-13(3H)-one, 3,3-bis(4-methoxyphenyl)-?
The CAS number of Benzo[3,4]fluoreno[2,1-b]pyran-13(3H)-one, 3,3-bis(4-methoxyphenyl)- is 178990-04-0.
What are the molecular formula and molecular weight of Benzo[3,4]fluoreno[2,1-b]pyran-13(3H)-one, 3,3-bis(4-methoxyphenyl)-?
Benzo[3,4]fluoreno[2,1-b]pyran-13(3H)-one, 3,3-bis(4-methoxyphenyl)- has molecular formula C34H24O4 and molecular weight 496.552 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzo[3,4]fluoreno[2,1-b]pyran-13(3H)-one, 3,3-bis(4-methoxyphenyl)- (CAS 178990-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526926-1 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.