3,3',5,5'-四溴-2,2'-联噻吩

3,3',5,5'-四溴-2,2'-联噻吩 - Names and Identifiers

Name	3,3',5,5'-tetrabromo-2,2'-bithiophene
Synonyms	M8232 2TH-4Br 2T2Br-2Br 3,3',5,5'-Tetrabromo-2,2'-bithiophene 3,3',5,5'-tetrabromo-2,2'-bithiophene 2,2'-Bithiophene, 3,3',5,5'-tetrabromo- 3,5-dibromo-2-(3,5-dibromo-2-thienyl)thiophene 3,5-dibromo-2-(3,5-dibromothiophen-2-yl)thiophene
CAS	125143-53-5
InChI	InChI=1/C8H2Br4S2/c9-3-1-5(11)13-7(3)8-4(10)2-6(12)14-8/h1-2H

3,3',5,5'-四溴-2,2'-联噻吩 - Physico-chemical Properties

Molecular Formula	C8H2Br4S2
Molar Mass	481.85
Density	2.428
Melting Point	138.0 to 144.0 °C
Boling Point	371.0±37.0 °C(Predicted)
Flash Point	178.2°C
Vapor Presure	2.27E-05mmHg at 25°C
Storage Condition	Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
Refractive Index	1.72

3,3',5,5'-四溴-2,2'-联噻吩 - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	41 - Risk of serious damage to eyes
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
WGK Germany	3

3,3',5,5'-四溴-2,2'-联噻吩 - Introduction

3,3 ',5,5'-tetrabromo-2, 2 '-bithiophene is an organic compound with the chemical formula C12H6Br4S. The following is an introduction to its nature, use, preparation and safety information:

Nature:
3,3 ',5,5'-tetrabromo-2, 2 '-bithiophene is a yellow solid with a strong odor. Its melting point is 207-217 degrees Celsius and its density is 2.55 g/ml. It is almost insoluble in water at normal temperature, but can be dissolved in organic solvents such as chloroform, dimethylformamide, etc.

Use:
3,3 ',5,5'-tetrabromo-2, 2 '-bithiophene is mainly used as a chemical reagent and intermediate. It can be used to synthesize other organic compounds, such as photosensitive materials, fluorescent dyes and photovoltaic materials. In addition, the compound can also be used as a standard substance in research analysis.

Method:
The preparation method of 3,3 ',5,5'-tetrabromo-2, 2 '-bithiophene can be carried out by dissolving 2,2'-bithiophene in dichloromethane, and then adding bromine to carry out bromination reaction. After the reaction, the product was purified by crystallization. This preparation process requires attention to safety measures, such as wearing gloves, wearing protective clothing, and operating in a well-ventilated laboratory environment to avoid harm to humans and the environment.

Safety Information:
3,3 ',5,5'-tetrabromo-2, 2 '-bithiophene is a toxic compound and should be used with caution. Avoid direct contact with skin, eyes and mouth. Personal protective equipment such as chemical protective gloves, goggles and protective masks should be worn during operation. In case of contact with skin or eyes, rinse immediately with plenty of water and consult a doctor. In addition, the compound should be stored properly to avoid contact with combustibles and the generation of harmful gases and vapors.

Last Update：2024-04-10 22:29:15