Diacenaphtho[1,2-b:1',2'-d]thiophene
二苊并[1,2-b:1',2'-d]噻吩
Also known as: 1,8-Dinaphthylenethiophene, 2,5-Di(1,8-naphthylene)thiophene, Diacenaphtho(1,2-b:1',2'-d)thiophene, NSC 4725
Diacenaphtho[1,2-b:1',2'-d]thiophene (CAS 203-42-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C24H12S and a molecular weight of 332.417 g/mol. It is also known as 1,8-Dinaphthylenethiophene, 2,5-Di(1,8-naphthylene)thiophene and Diacenaphtho(1,2-b:1',2'-d)thiophene. Key properties include a boiling point of 577.9±19.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 231.0±7.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 203-42-9
- Jingsj CID
- J-1524336-4
- Molecular Formula
- C24H12S
- Chinese Name
- 二苊并[1,2-b:1',2'-d]噻吩
- Molecular Weight
- 332.417 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 577.9±19.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 231.0±7.7 °C |
Frequently Asked Questions
What is the CAS number of Diacenaphtho[1,2-b:1',2'-d]thiophene?
The CAS number of Diacenaphtho[1,2-b:1',2'-d]thiophene is 203-42-9.
What are the molecular formula and molecular weight of Diacenaphtho[1,2-b:1',2'-d]thiophene?
Diacenaphtho[1,2-b:1',2'-d]thiophene has molecular formula C24H12S and molecular weight 332.417 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diacenaphtho[1,2-b:1',2'-d]thiophene (CAS 203-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524336-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.