2,1,3-Benzoxadiazole,4,7-dibromo-benzofurazan
4,7-Dibromobenzo[c][1,2,5]oxadiazole
CAS: 54286-63-4
Molecular Formula: C6H2Br2N2O
2,1,3-Benzoxadiazole,4,7-dibromo-benzofurazan - Names and Identifiers
2,1,3-Benzoxadiazole,4,7-dibromo-benzofurazan - Physico-chemical Properties
| Molecular Formula | C6H2Br2N2O |
| Molar Mass | 277.9 |
| Density | 2.220±0.06 g/cm3(Predicted) |
| Melting Point | 113 °C |
| Boling Point | 312.4±45.0 °C(Predicted) |
| Solubility | soluble in Toluene |
| Appearance | powder to crystal |
| Color | White to Yellow to Orange |
| pKa | -4.27±0.50(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Sensitive | IRRITANT |
| MDL | MFCD02114623 |
2,1,3-Benzoxadiazole,4,7-dibromo-benzofurazan - Introduction
4,7-Dibromobenzo[c][1,2,5]oxadiazole is a chemical substance whose chemical formula is C8H3Br2N2O. The following is a description of its nature, use, formulation and safety information:
Nature:
1. Appearance: 4,7-Dibromobenzo[c][1,2,5]oxadiazole is a white to pale yellow crystalline powder.
2. Melting point: Its melting point range is 141-145°C.
3. Solubility: It can be dissolved in most organic solvents, such as methanol, chloroform and dimethyl sulfoxide.
Use:
1. Functional materials: 4,7-Dibromobenzo[c][1,2,5]oxadiazole can be used as functional materials in organic synthesis, such as fluorescent dyes and organic semiconductor materials.
2. Optoelectronic applications: It has potential applications in the field of optoelectronic devices, such as organic electronic devices and photovoltaic devices.
Preparation Method:
The method of preparing 4,7-Dibromobenzo[c][1,2,5]oxadiazole can be carried out by the following steps:
1. First, the p-dinitrobenzene and sodium nitrite are reacted under the condition of sulfuric acid to generate the corresponding nitrosobenzo [c][1,2,5] oxadiazole.
2. Then, nitrosobenzo [c][1,2,5]oxadiazole is converted into 4,7-Dibromobenzo[c][1,2,5]oxadiazole by bromination.
Safety Information:
1. When using, follow the safety procedures and wear appropriate protective equipment, such as gloves and goggles.
2. 4,7-Dibromobenzo[c][1,2,5]oxadiazole may be irritating to the eyes, skin, and respiratory tract and contact should be avoided.
3. Avoid inhaling dust and operate in a well-ventilated place.
4. during use and storage, it should be kept away from fire and oxidant to avoid fire or explosion.
5. in the course of use such as accidental spilling or inhalation, should immediately wash the affected area or seek medical attention as soon as possible.
Nature:
1. Appearance: 4,7-Dibromobenzo[c][1,2,5]oxadiazole is a white to pale yellow crystalline powder.
2. Melting point: Its melting point range is 141-145°C.
3. Solubility: It can be dissolved in most organic solvents, such as methanol, chloroform and dimethyl sulfoxide.
Use:
1. Functional materials: 4,7-Dibromobenzo[c][1,2,5]oxadiazole can be used as functional materials in organic synthesis, such as fluorescent dyes and organic semiconductor materials.
2. Optoelectronic applications: It has potential applications in the field of optoelectronic devices, such as organic electronic devices and photovoltaic devices.
Preparation Method:
The method of preparing 4,7-Dibromobenzo[c][1,2,5]oxadiazole can be carried out by the following steps:
1. First, the p-dinitrobenzene and sodium nitrite are reacted under the condition of sulfuric acid to generate the corresponding nitrosobenzo [c][1,2,5] oxadiazole.
2. Then, nitrosobenzo [c][1,2,5]oxadiazole is converted into 4,7-Dibromobenzo[c][1,2,5]oxadiazole by bromination.
Safety Information:
1. When using, follow the safety procedures and wear appropriate protective equipment, such as gloves and goggles.
2. 4,7-Dibromobenzo[c][1,2,5]oxadiazole may be irritating to the eyes, skin, and respiratory tract and contact should be avoided.
3. Avoid inhaling dust and operate in a well-ventilated place.
4. during use and storage, it should be kept away from fire and oxidant to avoid fire or explosion.
5. in the course of use such as accidental spilling or inhalation, should immediately wash the affected area or seek medical attention as soon as possible.
Last Update：2024-04-10 22:29:15
