1246562-40-2

1246562-40-2 - Names and Identifiers

Name	N-[1,1'-biphenyl]-4-yl-N-(4-bromophenyl)-9,9-dimethyl-9H-Fluoren-2-amine
Synonyms	N-BP-FL-PBr 9-diMethyl-9H-Fluoren-2-aMine 1'-biphenyl]-4-yl-N-(4-broMophenyl)-9 N-(biphenyl-4-yl)-N-(4-broMophenyl)-9,9-diMethyl-9 N-(4-biphenyl)-N-(4-bromophenyl)-(9,9-dimethylfluoren-2-amine) 2-Amino-N-[(1,1'-biphenyl)-4-yl]-N-(4-bromophenyl)-9,9-dimethylfluorene 9H-FLUORENE-2-AMINE,N-[1,1'-BIPHENYL]-4-YL-N-(4-BROMOPHENYL-9,9'DIMETHYL N-[1,1'-biphenyl]-4-yl-N-(4-bromophenyl)-9,9-dimethyl-9H-Fluoren-2-amine N-[1,1'-biphenyl]-4-yl-N-(4-broMophenyl)-9,9-diMethyl-9H-Fluoren-2-aMine
CAS	1246562-40-2

1246562-40-2 - Physico-chemical Properties

Molecular Formula	C33H26BrN
Molar Mass	516.47
Density	1.293±0.06 g/cm3(Predicted)
Melting Point	159.0 to 163.0 °C
Boling Point	655.9±55.0 °C(Predicted)
pKa	-3.55±0.40(Predicted)
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Sensitive	IRRITANT
MDL	MFCD20040455

1246562-40-2 - Introduction

N-(4-Biphenylyl)-N-(4-bromophenyl)-(9,9-dimethylfluorenyl) amine, also known as 4,4 '-dibromo-N,N-difluorenylbenzidine (4,4'-Dibromo-N), is an organic compound. The following describes its nature, use, preparation and safety information:

Nature:
-Appearance: White to light yellow crystalline or powdery solid
-melting point: about 140-142 ℃
-Solubility: Soluble in common organic solvents such as chloroform, toluene, insoluble in water

Use:
- 4,4 '-dibromo-N,N-difluorenyl benzidine can be used as an intermediate of light-emitting materials and is widely used in the field of organic light-emitting diodes (OLED).
-Due to its excellent luminescence and electrical properties, it can be used to prepare high-brightness, high-efficiency organic light-emitting diodes and other organic electronic devices.

Preparation Method:
4,4 '-dibromo-N,N-difluorenyl benzidine can be prepared by the following steps:
1. First, 9,9-dimethylfluorene is reacted to generate an iodo derivative of dimethylfluorene.
2. Then, it reacts with hypobromobenzene to prepare 4-bromo-9, 9-dimethylfluorene.
3. Finally, 4-bromo-9, 9-dimethylfluorene is reacted with aniline to generate the final product 4,4 '-dibromo-N,N-difluorenyl benzidine.

Safety Information:
- 4,4 '-dibromo-N,N-difluorenyl benzidine may be irritating to skin and eyes. Avoid contact with skin and eyes when using it, and wear personal protective equipment when necessary.
-During operation and storage, it is necessary to maintain good ventilation conditions to avoid inhalation of dust or vapor.
-If ingested or inhaled, consult a doctor immediately and provide a safety data sheet.

Last Update：2024-04-09 21:04:16