Benzene, 1,2-dibromo-4,5-difluoro-3-nitro-

Benzene, 1,2-dibromo-4,5-difluoro-3-nitro- - Names and Identifiers

Name	1,2-dibromo-4,5-difluoro-3-nitrobenzene
Synonyms	NSC 10234 2,3-DibroMo-5,6-difluoronitrobenzene 1,2-DIBROMO-4,5-DIFLUORO-3-NITROBENZENE 1,2-dibromo-4,5-difluoro-3-nitrobenzene benzene, 1,2-dibromo-4,5-difluoro-3-nitro- Benzene, 1,2-dibromo-4,5-difluoro-3-nitro-
CAS	1481-57-8
InChI	InChI=1/C6HBr2F2NO2/c7-2-1-3(9)5(10)6(4(2)8)11(12)13/h1H

Benzene, 1,2-dibromo-4,5-difluoro-3-nitro- - Physico-chemical Properties

Molecular Formula	C6HBr2F2NO2
Molar Mass	316.88
Density	2.23g/cm³
Boling Point	274.5°C at 760 mmHg
Flash Point	119.8°C
Vapor Presure	0.00903mmHg at 25°C
Storage Condition	2-8°C
Refractive Index	1.593

Benzene, 1,2-dibromo-4,5-difluoro-3-nitro- - Introduction

1,2-dibromo-4,5-difluoro-3-nitrobenzene is an organic compound with the chemical formula C6H2Br2F2NO2. The following is a detailed description of its nature, use, preparation and safety information:

Nature:
-Appearance: 1,2-dibromo-4, 5-difluororo-3-nitrobenzene is a colorless or pale yellow crystal.
-Melting point: Its melting point is about 43-46 degrees Celsius.
-Boiling point: The boiling point of the compound is 256 degrees Celsius.
-Solubility: 1,2-dibromo-4, 5-difluororo-3-nitrobenzene is soluble in organic solvents such as ethanol, ether and dichloromethane.

Use:
-Chemical synthesis intermediate: 1,2-dibromo-4, 5-difluororo-3-nitrobenzene is often used in organic synthesis as an important chemical synthesis intermediate.
-Drugs and pesticides: It can also be used to prepare certain drugs and pesticides.

Method:
A commonly used preparation method is to obtain 2,3-dibromo -5,6-dinitrobenzene through the reaction of dibromobenzene and nitric acid, and then obtain 1,2-dibromo-4 through fluorination treatment, 5-difluoro-3-nitrobenzene. The specific steps can refer to the following reaction equation:

1. Dibromobenzene nitrate → 2,3-dibromo -5,6-dinitrobenzene
2. 2,3-dibromo -5,6-dinitrobenzene fluoride → 1,2-dibromo-4, 5-difluororo-3-nitrobenzene

Safety Information:
-This compound is an organic halogenated compound, which may cause certain harm to human health. Wear appropriate protective equipment to avoid exposure to skin, eyes and respiratory system.
-If in contact with skin, wash immediately with soapy water.
-In case of eye contact, rinse immediately with plenty of water and seek medical help.
-Avoid inhaling its gas or dust and ensure that it is operated in a well-ventilated place. If the gas or dust is inhaled, leave the contaminated area immediately, breathe fresh air, and seek medical examination.

It should be noted that the information provided above is for reference only and cannot replace the safety specifications in experimental operations or specific applications. When performing practical operations, please follow the relevant laboratory safety operating guidelines and consult the advice of professional chemists.

Last Update：2024-04-09 15:17:52