885521-76-6

885521-76-6 - Names and Identifiers

Name	1H-Indazole-3-carboxaldehyde, 4-bromo-
Synonyms	4-broMo-1H-indazole-3-carbaldehyde 4-Bromo-1H-indazole-3-carboxaldehyde 1H-Indazole-3-carboxaldehyde, 4-broMo- 1H-Indazole-3-carboxaldehyde, 4-bromo-
CAS	885521-76-6

885521-76-6 - Physico-chemical Properties

Molecular Formula	C8H5BrN2O
Molar Mass	225.04
Boling Point
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C

885521-76-6 - Introduction

The 4-bromo-is an organic compound with the chemical formula C≡H≡BrN₂. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: 4-bromo-yellow solid.
-Solubility: Soluble in some organic solvents, such as ethanol and dimethyl sulfoxide.
-Melting point: about 96-98°C.
-Stability: relatively stable at room temperature, but should avoid direct sunlight and moisture.

Use:
, 4-bromo-can be used as an intermediate and reagent in organic synthesis. It is commonly used in the synthesis of drugs, dyes and functional materials.

Preparation Method:
, 4-bromo-is generally synthesized by the following steps:
1.3-formaldehyde -1H-indazole is reacted with nitroso chloride to generate 3-nitro -1H-indazole.
2. Nitration of 3-nitro-1H-indazole using HBr/H₂ O system.
3. Use the NaOH/H₂ O system for hydrogen oxidation to generate a, 4-bromo-.

Safety Information:
, 4-bromo-is generally less toxic under normal conditions of use. However, as a chemical, appropriate safety measures still need to be taken:
-Avoid contact with skin and eyes. If contact occurs, rinse immediately with water for at least 15 minutes and consult a doctor for examination.
-Avoid inhaling dust or gas. Adequate ventilation should be provided during operation.
-Store in a dry, cool, well-ventilated place.
-Wear appropriate protective equipment such as gloves, goggles and lab coats when operating.

Last Update：2024-04-09 20:45:29