30126-05-7

Basic information

• Product Name: THIENO[3,2-B][1]BENZOTHIOPHENE-2-CARBOXYLIC ACID
• Synonyms: 3,7-Dithiatricyclo[6.4.0.0,2,6]dodeca-1(8),2(6),4,9,11-pentaene-4-carboxylic Acid
• CAS NO: 30126-05-7
• Molecular Formula: C11H6O2S2
• Molecular Weight: 234.3
• Mol File: 30126-05-7.mol
• Article Data: 5

Chemical Properties

• Melting Point: 265 °C (decomp)
• Boiling Point: 477.5°C at 760 mmHg
• Flash Point: 242.6°C
• Appearance: /
• Density: 1.570±0.06 g/cm3(Predicted)
• Vapor Pressure: 6.31E-10mmHg at 25°C
• PKA: 3.40±0.30(Predicted)
• CAS DataBase Reference: THIENO[3,2-B][1]BENZOTHIOPHENE-2-CARBOXYLIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: THIENO[3,2-B][1]BENZOTHIOPHENE-2-CARBOXYLIC ACID(30126-05-7)
• EPA Substance Registry System: THIENO[3,2-B][1]BENZOTHIOPHENE-2-CARBOXYLIC ACID(30126-05-7)

Safety Data

• Hazardous Substances Data: 30126-05-7(Hazardous Substances Data)

Usage

InChI:InChI=1/C11H6O2S2/c12-11(13)9-5-8-10(15-9)6-3-1-2-4-7(6)14-8/h1-5H,(H,12,13)/p-1

Upstream product

• 6287-82-7 2,3-dibromobenzo[b]thiophene 
• 95-15-8 Benzo[b]thiophene 
• 7342-82-7 3-Bromothianaphthene 
• 10135-00-9 3-bromobenzo[b]thiophene-2-carbaldehyde 
• 35616-45-6 ethyl thieno[3,2-b][1]benzothiophene 2-carboxylate 
• 14006-54-3 3-chloro-1-benzothiophen-2-carbaldehyde 
• 694458-11-2 methyl thieno[3,2-b][1]benzothiophene-2-carboxylate 
• 135-13-7 (o-carboxyphenyl)thioacetic acid 

Downstream Products

• 247-52-9 benzo<4,5>thieno<3,2-b>thiophene 

Relevant articles and documents

Ligand Compound, Transition Metal Compound, and Catalyst Composition Comprising the Transition Metal Compound

The present invention relates to a novel ligand compound, a transition metal compound and a catalyst composition comprising the same. The novel ligand compound and the transition metal compound of the present invention may be useful as a catalyst of polymerization reaction for preparing an olefin-based polymer having a low density.

Naphtho[2,1-b:3,4-b′]bisthieno[3,2-b][1]benzothiophene-based semiconductors for organic field-effect transistors

A novel series of air-stable and highly extended π-conjugated naphtho[2,1-b:3,4-b′]bisthieno[3,2-b][1]benzothiophene derivatives, NBTBT-n (n = 6, 8, 10, and 12) and NBTBTF-10, was developed. The influence of various alkoxy-side groups including straight chain with different chain lengths and branched chain on the FET device performance was also investigated. There was a progressive enhancement in the NBTBT-based OFET device performance with an increase in the annealing temperature. The OFET devices based on NBTBT-10 fabricated by vacuum deposition exhibited the best performance with a hole mobility of 0.25 cm2 V-1 s-1 and an on/off ratio of 105-106 after annealing at 220 °C. In addition, fluorinated naphtho[2,1-b:3,4-b′]bisthieno[3,2-b][1]benzothiophene, NBTBTF-10, showed good p-type transistor behaviour with a hole mobility of 0.24 cm2 V-1 s-1 and an on/off ratio of 106-107 which was achieved at a lower annealing temperature of 140 °C, suggesting the important contribution of the dipole-dipole interactions induced by the fluorine atoms in the molecular packing. As a result, the naphtho[2,1-b:3,4-b′]bisthieno[3,2-b][1]benzothiophene framework shows promise as a useful building block to construct organic semiconductors for next-generation high performance organic electronics.

Polythienobenzothiophenes, a new family of electroactive polymers: Electrosynthesis, spectral characterization and modelling

New conducting polymers, including poly[thieno[3,2-b][1]benzothiophene] (poly-TBT) and poly [6-methoxythieno[3,2-b][1]benzothiophene] (poly-MeOTBT) were electrosynthesized by anodic oxidation of the corresponding monomers in 0.1 M LiClO4 acetonitrile solution. Poly-TBT and poly-MeOTBT electroactive films were formed on platinum electrodes and characterized spectroscopically. FT-IR studies show that both polymers present couplings occurring on the thiophene moiety and the phenyl ring, with a step-like structure. MALDI-TOF mass spectrometry indicates that poly-TBT and poly-MeOTBT films are mainly constituted of short-chain oligomers. The results of molecular orbital (MO) calculations performed on the basis of a radical-cation electropolymerization mechanism are in good agreement with our spectral data.