139215-43-3

139215-43-3 - Names and Identifiers

Name	1,2-Dibromo-3,5-difluorobenzene
Synonyms	1,2-dibromo-3,5-difluorophenyl 1,2-DIBROMO-3,5-DIFLUOROBENZENE 1,2-Dibromo-3,5-difluorobenzene 3,5-Difluoro-1,2-dibromobenzene
CAS	10105-60-9 139215-43-3
InChI	InChI=1/C6H2Br2F2/c7-4-1-3(9)2-5(10)6(4)8/h1-2H

139215-43-3 - Physico-chemical Properties

Molecular Formula	C6H2Br2F2
Molar Mass	271.88
Density	2,128 g/cm3
Melting Point	36-39 °C
Boling Point	208.7°C at 760 mmHg
Flash Point	76°C
Vapor Presure	0.305mmHg at 25°C
Storage Condition	Room Temprature
Refractive Index	1.552

139215-43-3 - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

139215-43-3 - Introduction

1,2-dibromo -3,5-difluorobenzene is an organic compound with the chemical formula C6H2Br2F2. The following is a description of its nature, use, formulation and safety information:

Nature:
1,2-dibromo -3,5-difluorobenzene is a colorless to light yellow liquid with a pungent odor at room temperature. It is soluble in organic solvents such as ethanol, ether and chloroform, and insoluble in water.

Use:
1,2-dibromo -3,5-difluorobenzene can be used as an important reagent in organic synthesis. It can be used to prepare other compounds such as pesticides, pharmaceuticals and dyes. In addition, it can also be used as a catalyst for organic synthesis reactions.

Preparation Method:
The common preparation method of 1,2-dibromo -3,5-difluorobenzene is obtained by reacting 1,3-dihalobenzene with hydrogen fluoride under acidic conditions. First, 1,3-dibromobenzene is fluorinated with hydrogen fluoride in the presence of an acidic catalyst to obtain 1,2-dibromo-3-fluorobenzene. Then, 1,2-dibromo -3-fluorobenzene is brominated with hydrogen fluoride under acidic conditions to produce 1,2-dibromo -3,5-difluorobenzene.

Safety Information:
1,2-dibromo -3,5-difluorobenzene is an organic halide with certain toxicity. Contact with skin, eyes and respiratory tract may cause irritation and burning. Therefore, when handling, should wear protective gloves, protective glasses and protective masks. In addition, it should be kept away from open flames and high temperatures, and stored in a sealed container to avoid contact with strong oxidants and strong acids. In the use and storage process to maintain good ventilation. If exposed to the compound, rinse quickly with water and seek medical help.

Last Update：2024-04-09 21:01:54