53645-95-7 - Names and Identifiers
Name | 2-Bromo-5-phenyl-1,3,4-thiadiazole
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Synonyms | 2-Bromo-5-phenyl-1,3,4-thiadiazole 1,3,4-Thiadiazole,2-broMo-5-phenyl- 1,3,4-Thiadiazole, 2-bromo-5-phenyl-
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CAS | 53645-95-7
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InChI | InChI=1/C8H5BrN2S/c9-8-11-10-7(12-8)6-4-2-1-3-5-6/h1-5H |
53645-95-7 - Physico-chemical Properties
Molecular Formula | C8H5BrN2S
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Molar Mass | 241.11 |
Density | 1.642±0.06 g/cm3(Predicted) |
Melting Point | 86-90 °C |
Boling Point | 125-130 °C(Press: 0.4 Torr) |
Flash Point | 163.01°C |
Vapor Presure | 0mmHg at 25°C |
pKa | -1.88±0.10(Predicted) |
Storage Condition | Room Temprature |
Refractive Index | 1.643 |
53645-95-7 - Risk and Safety
Hazard Symbols | Xn - Harmful
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Risk Codes | R22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
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UN IDs | UN 2811 6.1 / PGIII |
WGK Germany | 3 |
53645-95-7 - Introduction
2-Bromo-5-phenyl-1,3,4-thiadiazole is an organic compound with the formula C9H6BrN2S. The following is a description of the properties, uses, preparation and safety information of this compound:
Nature:
-Appearance: White crystalline solid
-Melting point: 147-149°C
-Boiling Point: 397-398°C
-Insoluble in water, soluble in most organic solvents
Use:
- 2-Bromo-5-phenyl-1,3,4-thiadiazole, as an important organic synthesis intermediate, can be used to synthesize other compounds, such as drugs, pesticides, dyes, etc.
-Has a variety of applications, including optoelectronics, materials science, organic electronics, etc.
Preparation Method:
- 2-Bromo-5-phenyl-1,3,4-thiadiazole can be prepared by a variety of methods. The following are the steps of one method:
1. A 2-phenyl -1,3,4-thiadiazole compound is obtained by reacting phenylboronic acid with diphenylthiourea.
2. react 2-phenyl-1,3,4-thiadiazole with cuprous bromide to obtain 2-Bromo-5-phenyl-1,3,4-thiadiazole.
Note: The preparation process needs to pay attention to operating conditions and safety protection, which can be carried out under the guidance of professionals in the chemical laboratory.
Safety Information:
- 2-Bromo-5-phenyl-1,3,4-thiadiazole is a chemical that needs to be stored and used correctly. Pay attention to the following safety precautions:
-Avoid inhalation, contact and ingestion. Appropriate protective equipment, such as chemical glasses, gloves and laboratory coats, should be worn during use.
-Need to operate in a well-ventilated place to avoid inhalation of its vapor and dust.
-Fire extinguishing can use carbon dioxide, foam, dry powder or water. Direct water injection is not acceptable.
-In the event of an accident (e. g. inhalation, skin contact, ingestion, etc.), seek medical help immediately and provide the safety data sheet of the chemical to medical personnel.
-Follow local laws, regulations and safety practices during use and disposal.
Last Update:2024-04-09 19:05:50