Thieno[3,2-b]thiophene
Synonym(s):1,4-Dithiapentalene;1,4-Thiophthene
- CAS NO.:251-41-2
- Empirical Formula: C6H4S2
- Molecular Weight: 140.23
- MDL number: MFCD00179479
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
![Thieno[3,2-b]thiophene Structural](https://img.chemicalbook.in/CAS/GIF/251-41-2.gif)
What is Thieno[3,2-b]thiophene?
Description
Thieno[3,2-b]thiophene, also known as thienothiophene (TT), is a heterocyclic compound. It belongs to the family of fused thiopehenes and is widely used as an intermediate for the synthesis of small molecules and polymers in the application of organic field-effect transistors (OFETs) and organic photovoltaic devices (OPV).
Chemical properties
White to yellow Solid
The Uses of Thieno[3,2-b]thiophene
TT may be used as conjugated side chains in the synthesis of donor-acceptor copolymers. It finds potential applications in the enhancement of power conversion efficiency (PCE) for organic solar cells.
General Description
Thieno(3,2-b)thiophene (TT) is an electron rich conjugated polymer that has a quinoidal structure with a narrow band gap. It facilitates a strong intermolecular networking.
Properties of Thieno[3,2-b]thiophene
Melting point: | 56 °C |
Boiling point: | 71 °C / 1mmHg |
Density | 1.367±0.06 g/cm3(Predicted) |
Flash point: | 98℃ |
storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
solubility | soluble in Methanol |
form | powder to crystal |
NIST Chemistry Reference | Thieno[3,2-b]thiophene(251-41-2) |
color | White crystals |
Safety information for Thieno[3,2-b]thiophene
Signal word | Warning |
Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Thieno[3,2-b]thiophene
New Products
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![THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID,THIENO[3,2-B]THIOPHENE-2-CARBOXYLIC ACID](https://img.chemicalbook.in/CAS/GIF/1723-27-9.gif)
![Thieno[3,2-b]thiophene-2-carbonitrile](https://img.chemicalbook.in/CAS/GIF/40985-58-8.gif)

![Thieno[3,2-b]thiophene-2,5-dicarboxaldehyde](https://img.chemicalbook.in/CAS2/GIF/37882-75-0.gif)
![thieno[3,2-b]thiophene-2,5-dicarboxylic acid](https://img.chemicalbook.in/CAS/20180703/GIF/18646-81-6.gif)

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