Thieno[3,2-b]thiophene
噻吩并[3,2-b]噻吩
Also known as: 1,4-Dithiapentalene, 1,4-Thiophthene, Thieno[3,2-b]thiophen, thieno(3,2-b)thiophene, thienothiophene
- CAS No.
- 251-41-2
- Jingsj CID
- J-40673-0
- Molecular Formula
- C6H4S2
- Chinese Name
- 噻吩并[3,2-b]噻吩
- Molecular Weight
- 140.23 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 56ºC |
|---|---|
| Boiling Point | 223.4±13.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 63.1±6.0 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of Thieno[3,2-b]thiophene?
251-41-2
What are the molecular formula and molecular weight of Thieno[3,2-b]thiophene?
C6H4S2, molecular weight 140.23 g/mol
Is Thieno[3,2-b]thiophene hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026