881676-32-0 - Names and Identifiers
881676-32-0 - Physico-chemical Properties
Molecular Formula | C5H4BrNO
|
Molar Mass | 174 |
Density | 1.819±0.06 g/cm3(Predicted) |
Boling Point | 299.6±20.0 °C(Predicted) |
pKa | 14.52±0.50(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
881676-32-0 - Introduction
5-bromo-, also known as, 5-bromo-, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
, 5-bromo-is a solid compound with formula C6H4BrNO. It has a molecular weight of 184.01g/mol. It has the appearance of a pale yellow to brown crystalline powder. Its melting point at room temperature is 100-102 ℃. It is soluble in organic solvents such as ethanol, ether and acetic acid, but insoluble in water.
Use:
5-bromo-has applications in the synthesis of organic compounds and pharmaceuticals. It can be used as an intermediate in organic synthesis and participate in a variety of organic reactions, such as acylation, nucleophilic addition and so on. It can also be used in the synthesis of drugs, dyes, photometers and fluorescent probes.
Preparation Method:
The preparation method of 5-bromo-generally includes the following steps: First, 5-bromopyrrole-3-carbonyl chloride is prepared by the reaction of bromination and phosgene. Then, 5-bromopyrrole-3-carboxylic acid chloride was reacted with sodium hydroxide to obtain calcium, 5-bromo-.
Safety Information:
5-bromo-is less toxic and dangerous. However, as chemical substances, appropriate laboratory safety measures are still required. During handling and use, direct contact with skin, eyes and inhalation of gas or dust should be avoided. Appropriate protective measures such as goggles, gloves and laboratory coats should be used during operation. If you come into contact with this compound, rinse immediately with plenty of water and seek medical help.
Last Update:2024-04-09 21:01:54