34722-01-5
3-butylthiophene
CAS: 34722-01-5
Molecular Formula: C8H12S
34722-01-5 - Names and Identifiers
| Name | 3-butylthiophene |
| Synonyms | 3-ButyL Butylthiophene 3-butylthiophene 3-Butylthiophene 3-BUTYLTHIOPHENE 3-N-BUTYLTHIOPHENE 3-n-Butylthiophene 3-3-butylthiophene Thiophene, 3-butyl- |
| CAS | 34722-01-5 |
| InChI | InChI=1/C8H12S/c1-2-3-4-8-5-6-9-7-8/h5-7H,2-4H2,1H3 |
34722-01-5 - Physico-chemical Properties
| Molecular Formula | C8H12S |
| Molar Mass | 140.25 |
| Density | 0.957 g/mL at 25 °C (lit.) |
| Melting Point | -56.9°C (estimate) |
| Boling Point | 181-183 °C (lit.) |
| Flash Point | 140°F |
| Vapor Presure | 1.02mmHg at 25°C |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | n20/D 1.501(lit.) |
34722-01-5 - Risk and Safety
| Risk Codes | 11 - Highly Flammable |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| UN IDs | NA 1993 / PGIII |
| WGK Germany | 3 |
| HS Code | 29349990 |
| Hazard Class | 3 |
| Packing Group | III |
34722-01-5 - Nature
Open Data Verified Data
The resin is soluble in chloroform, Tetrahydrofuran, toluene and other common organic solvents; Products tough, mechanical strength and heat resistance are good, stable in the air, can melt at high temperatures; the conductivity is good, the intrinsic conductivity of 10-5 S/Crfl, the doping state conductivity of 10 5/cm, at 110 deg C after the treatment of lOh also decreased by less than an order of magnitude.
Last Update：2025-06-10 22:55:16
34722-01-5 - Preparation Method
Open Data Verified Data
- chemical oxidative polymerization in a three-necked flask equipped with a stirrer and a thermometer, add the solvent nitrobenzene and the monomer 3-butylthiophene; Turn on the stirrer, A proportional amount of the oxidizing agent ferric chloride [(3-3.5):1] was further added, and the temperature was raised to carry out polymerization for 4-12 hours. The product was precipitated with methanol, washed, and dried to obtain a powdery product. When doping, it is first soaked in ethanol, adding iodine ethanol solution or ferric chloride solution, after a considerable period of time, washed with methanol, and then vacuum dried, the doped poly (3-butylthiophene) was obtained.
- electrochemical polymerization method in a single-chamber three-electrode electrochemical reaction cell with conductive glass as anode, aluminum sheet as cathode and Ag/AgCl as reference electrode, 0. 02mol/L tetrabutylhexafluorophosphoramide supporting electrolyte solution and 0. 20mol/L monomer 3 a butyl thiophene electrolyte solution, in the nitrogen protection, constant temperature 5 degrees Celsius, constant current density 6mA/Crf12 electrolytic polymerization in Min, to a film like product.
Last Update：2022-01-01 11:09:54
34722-01-5 - Application
Open Data Verified Data
It is mainly used as a secondary plastic battery, a modified electrode, a semiconductor element, a micro-electric appliance, an electrochromic material, an electromagnetic shielding material, and the like.
Last Update：2025-08-19 16:24:40
34722-01-5 - Safety
Open Data Verified Data
can be packaged in plastic or glass containers, stored in a cool, ventilated and dry place, to avoid high temperature, sun, rain, according to the transport of dangerous goods.
Last Update：2025-06-10 22:55:16
34722-01-5 - Molding Process
Open Data Verified Data
A thin film can be obtained directly on the anode by electrolytic polymerization. The powder product obtained by the chemical oxidation polymerization method can be first formulated into a solution of appropriate concentration, and then cast into a film or spun into a fiber; It can also be directly melt injected and extruded into a product.
Last Update：2022-01-01 11:09:55
34722-01-5 - Reference Information
| application | 3-butylthiophene is a liquid, which can be prepared by the reaction of 3-bromothiophene and Grignard reagent magnesium bromide butane. It can be used as an organic synthesis intermediate and a pharmaceutical intermediate, and is mainly used in the laboratory research and development process and the production process of chemical medicine. |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
Last Update：2024-04-10 22:29:15
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