251-41-2

Basic information

• Product Name: Thieno[3,2-b]thiophene
• Synonyms: THIENO[3,2-B]THIOPHENE;1,4-DITHIAPENTALENE;1,4-THIOPHTHENE;BUTTPARK 145\50-51;1,4-Dithiapentalene 1,4-Thiophthene;4-Dithiapentalene 1,4-Thiophthene;Thieno[3,2-b]thiophen;Thieno[3,2-b]thiophene 1,4-Dithiapentalene
• CAS NO: 251-41-2
• Molecular Formula: C₆H₄S₂
• Molecular Weight: 140.23
• Product Categories: Electronic Chemicals;Fused Ring Systems;Heterocycle-oher series
• Mol File: 251-41-2.mol
• Article Data: 11

Chemical Properties

• Melting Point: 56 °C
• Boiling Point: 71 °C / 1mmHg
• Flash Point: 98℃
• Appearance: /
• Density: 1.367 g/cm³
• Vapor Pressure: 0.144mmHg at 25°C
• Refractive Index: 1.728
• Storage Temp.: Keep in dark place,Sealed in dry,Room Temperature
• Solubility: soluble in Methanol
• CAS DataBase Reference: Thieno[3,2-b]thiophene(CAS DataBase Reference)
• NIST Chemistry Reference: Thieno[3,2-b]thiophene(251-41-2)
• EPA Substance Registry System: Thieno[3,2-b]thiophene(251-41-2)

Safety Data

• Hazard Codes: Xn
• Statements: 22-36/37/38
• Safety Statements: 26-36/37
• RIDADR: UN 3335
• WGK Germany: 3
• Hazardous Substances Data: 251-41-2(Hazardous Substances Data)

Usage

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.

Application

Thieno[3,2-b]thiophene 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.

Classification

Thiophene, Fused thiophene, Dithiapentalene, Heterocylic aromatics, Five-membered ring, Semiconductor synthesis intermediates, Low band gap polymers OFETs, Organic Photovoltaics, Polymer solar cells

preparation

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). Fused thiophenes are more electron-rich and more structurally rigid, with extended π-conjugation so they are good candidates for adjusting the band gap of the organic polymer semiconducting materials, i.e. Poly[2,5-bis(3-hexadecylthiophen-2-yl)thieno[3,2-b]thiophene] (also known as PBTTT).

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

Uses

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.

InChI:InChI=1/C6H4S2/c1-3-7-6-2-4-8-5(1)6/h1-4H

Upstream product

• 25141-05-3 1-ethyl-2-heptadecyl-4,5-dihydro-1-(2-hydroxyethyl)-1H-imidazolium ethyl sulphate 
• 25141-00-8 2-(3,4-DIMETHYLPHENOXY)PROPANOIC ACID 
• 25140-95-8 2-(3-METHYLPHENOXY)PROPANOIC ACID 
• 25140-90-3 2-(2,6-Dichlorophenoxy)propanoic acid 
• 25140-86-7 2-(2-CHLOROPHENOXY)PROPIONIC ACID 
• 25140-79-8 AKOS B013880 
• 25140-78-7 2-(3,4-dimethylphenoxy)butanoic acid 
• 25140-29-8 (15S)-11β,15-Dihydroxy-9-oxoprostan-1-oic acid 
• 25139-83-7 (2S,3S)-butane-2,3-diaminium 
• 25139-08-6 cobalt metasilicate 
• 25138-66-3 (2S)-2-amino-4-[[(1R)-1-(carboxymethylcarbamoyl)-2-(2-hydroxypropanoylsulfanyl)ethyl]carbamoyl]butanoic acid 
• 25138-00-5 2'-deoxyadenylyl-(3'-5')-2'-deoxyadenylyl-(3'-5)-2'-deoxyadenosine 
• 25137-84-2 (Z)-1,5-Dimethylbicyclo[3.3.0]octane-3,7-dione 
• 2513-77-1 (4E)-1a,5-dimethyl-8-methylidene-2,3,6,7,7a,8,10a,10b-octahydrooxireno[9,10]cyclodeca[1,2-b]furan-9(1aH)-one 

Downstream Products

• 25141-25-7 2-(2,4-dinitrophenoxy)acetic acid 
• 25141-27-9 (2,3,4-TRICHLOROPHENOXY)ACETICACID 
• 25141-45-1 (2-BENZYL-PHENOXY)-ACETIC ACID 
• 25141-58-6 (2-ISOPROPYL-PHENOXY)-ACETIC ACID 
• 2514-18-3 4-chloro-5-methoxy-2-phenylpyridazin-3(2H)-one 
• 25142-28-3 2-phenylimidazo[1,2-a]pyridin-3-ol 
• 25142-44-3 2-methyl-1-(1H-pyrazol-5-yl)propan-2-ol 
• 25142-45-4 3-Phenyl-5-(phenylmethyl)-(1H)-pyrazole 
• 2514-30-9 2 - (4 - Methylphenyl) - 1,2 - benzisothiazol - 3(2H)-one 
• 25143-11-7 1-[p-[(7-Chloro-4-quinolyl)amino]benzoyl]-4-methylpiperazine 
• 25143-13-9 centperazine 
• 251440-40-1 TRANS-2-METHYLCYCLOPENTANOL 
• 25144-04-1 TRANS-2-METHYLCYCLOPENTANOL 
• 25144-05-2 Cyclopentanol,2-methyl-, (1R,2S)-rel- 

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