1,4-Diamino-2,5-dibromobenzene

1,4-Diamino-2,5-dibromobenzene - Names and Identifiers

Name	1,4-Benzenediamine, 2,5-dibromo-
Synonyms	1,4-Diamino-2,5-dibromobenzene 2,5-dibromobenzene-1,4-diamine 2,5-Dibromo-p-phenylenediamine 2,5-Dibromo-1,4-benzenediamine 1,4-BenzenediaMine, 2,5-dibroMo- 2,5-Dibromo-1,4-phenylenediamine 1,4-Benzenediamine, 2,5-dibromo- 5,5'-(2,5-DIMETHYL-1,4-PHENYLENE)BIS(PYRIDIN-2-AMINE)
CAS	25462-61-7

1,4-Diamino-2,5-dibromobenzene - Physico-chemical Properties

Molecular Formula	C6H6Br2N2
Molar Mass	265.93
Density	2.104
Melting Point	187-188℃
Boling Point	332.9±37.0 °C(Predicted)
pKa	3.02±0.10(Predicted)
Storage Condition	Keep in dark place,Inert atmosphere,Room temperature

1,4-Diamino-2,5-dibromobenzene - Introduction

1,4-benzenediamine, 2,5-dibromo-is an organic compound with the chemical formula C6H6Br2N2. The following is a description of its nature, use, preparation and safety information:

Properties: 1,4-benzenediamine, 2,5-dibromo-is a white to light yellow crystalline solid with a special ammonia or amine odor. It has a high melting and boiling point. It is almost insoluble in water at room temperature, but soluble in organic solvents such as alcohols and ethers.

Uses: 1,4-benzenediamine, 2,5-dibromo-can be used in organic synthesis and dye industry. It is an important intermediate in the synthesis of many organic compounds and pigments. It is also used in the preparation of dyes and the synthesis of surfactants.

preparation method: 1,4-benzenediamine, 2,5-dibromo-can be prepared by reacting p-phenylenediamine with ferrous bromide. Typically, the p-phenylenediamine is dissolved in an alcohol or ether, then the ferrous bromide solution is slowly added and mixed with stirring. The precipitate formed can be isolated by filtration or crystallization.

Safety information: 1,4-benzenediamine, 2,5-dibromo-is a toxic compound, irritating and corrosive. When handling, should follow the safety practice, wear appropriate protective equipment such as gloves and glasses. Avoid inhaling dust or contact with skin. During storage and use, keep away from fire and oxidizing agents, and keep the container tightly closed. If inhaled or in contact with skin, wash immediately and seek medical help.

Last Update：2024-04-10 22:29:15