50637-63-3

Basic information

• Product Name: 2,8-dibromochrysene
• Synonyms: 2,8-dibromochrysene;Chrysene, 2,8-dibroMo-
• CAS NO: 50637-63-3
• Molecular Formula: C18H10Br2
• Molecular Weight: 386.08
• EINECS: 256-671-7
• Mol File: 50637-63-3.mol

Chemical Properties

• Boiling Point: 526.8°C at 760 mmHg
• Flash Point: 315.3°C
• Appearance: /
• Density: 1.722g/cm³
• Vapor Pressure: 1.17E-10mmHg at 25°C
• Refractive Index: 1.792
• CAS DataBase Reference: 2,8-dibromochrysene(CAS DataBase Reference)
• NIST Chemistry Reference: 2,8-dibromochrysene(50637-63-3)
• EPA Substance Registry System: 2,8-dibromochrysene(50637-63-3)

Safety Data

• Hazardous Substances Data: 50637-63-3(Hazardous Substances Data)

Usage

Uses

Used in Research Applications:
2,8-dibromochrysene is used as a research chemical for studying the properties and effects of polycyclic aromatic hydrocarbons and their derivatives. It aids in understanding the behavior of these compounds in various environments and their potential impact on health and the environment.
Used in Industrial Applications:
2,8-dibromochrysene is used as an intermediate in the synthesis of other chemical compounds, particularly those that require the presence of bromine atoms. Its use in industrial processes is typically limited due to the need for careful handling and potential health risks associated with exposure to PAHs.
Used in Environmental Monitoring:
2,8-dibromochrysene can be used as a marker compound in environmental monitoring studies to detect the presence of PAHs in air, water, and soil samples. This helps in assessing the level of pollution and the potential health risks associated with exposure to these compounds.
Used in Toxicological Studies:
2,8-dibromochrysene is used as a test compound in toxicological studies to evaluate the potential health risks associated with exposure to PAHs and their derivatives. This information is crucial for developing safety guidelines and regulations for industries that handle or produce these compounds.

InChI:InChI=1/C18H10Br2/c19-13-3-7-15-11(9-13)1-5-17-16-8-4-14(20)10-12(16)2-6-18(15)17/h1-10H

Upstream product

• 218-01-9 chrysene 
• 689291-89-2 5-bromo-2-iodobenzaldehyde 
• 1337916-18-3 (6-bromonaphthalene-2-yl)boronic acid 
• 89284-52-6 1,4-dibromo-2-iodo-benzene 
• 50637-52-0 (+/-)-6.12-dioxo-cis-4b.5.6.10b.11.12-hexahydro-chrysene 
• 50637-56-4 N-((4bS,10bR)-8-Acetylamino-6,12-dioxo-4b,5,6,10b,11,12-hexahydro-chrysen-2-yl)-acetamide 
• 50637-59-7 N-(8-Acetylamino-chrysen-2-yl)-acetamide 
• 50637-61-1 2,8-diamino crysene 

Relevant articles and documents

Organic light emitting material, preparation method thereof and organic light emitting device

The invention discloses an organic light emitting material, a preparation method thereof and an organic light emitting device. The organic light emitting material comprises a benzophenanthrene derivative which has good planarity and strong visible Pi-Pi* absorbing ability and has high-quantum yield fluorescence emission capability, so that the benzophenanthrene derivative with a large Pi-conjugated system has an efficient electron transmission characteristic, and as an efficient electron-withdrawing group, the benzophenanthrene derivative improves the charge transfer efficiency and effectivelyimproves the light emitting efficiency of the organic light emitting device.

3,9-Dibromochrysene, preparation method and preparation intermediates of 3,9-dibromochrysene, and preparation method and preparation intermediates of 2,8-dibromochrysene

The invention belongs to the technical field of organic synthesis and particularly relates to 3,9-dibromochrysene, a preparation method and preparation intermediates of 3,9-dibromochrysene, and a preparation method and preparation intermediates of 2,8-dibromochrysene. 3,9-Dibromochrysene may act as an important synthetic intermediate for organic light-emitting organic semiconductors, organic solarcells, organic lasers, organic photoswitches, ion detection devices and other functional organic semiconductors; the compound modified may serve as light-emitting objective and subjective materials,carrier transport material, exciton blocking material and other materials for OLED (organic LED) devices. The preparation method of 3,9-dibromochrysene includes the steps of Sonogashira reaction, Suzuki reaction and intramodular eneyne coupled reaction after trimethyl removal; the total yield is up to 64.8%, synthesizing can be effectively performed, and production can be amplified. A preparationmethod of 2,8-dibromochrysene includes the steps of Sonogashira reaction, Suzuki reaction, and intramolecular eneyne reaction after trimethyl removal; the total yield is up to 44.8%, synthesizing canbe effectively performed, and production can be amplified.

2. 8 - Two bromines bend synthetic method and its synthetic intermediates

The invention belongs to the field of organic synthesis technology, and in particular relates to 2, 8 - two bromines bend synthetic method and its synthetic intermediates. The present invention provides a 2, 8 - two bromines bend of the synthesis method comprises Suzuki reaction step, phosphorus ylide reaction step and Friedel - Crafts reaction steps. The present invention provides a 2, 8 - two bromines bend of the synthetic route of the end of the synthetic method, total yield up to 58.2%, can be effectively synthesized and amplifying the production. The reaction raw material cost is low, the reaction is mild and controllable, by optimizing the amount of catalyst, in particular the use of nickel chloride as catalyst, the cost is controllable, can be produced in a large scale. The product quality is stable, can be achieve the purity of 99% or more. Through the proposed in this invention is a synthetic intermediate of the 1st 5 - bromo - 2 - (6 - bromo - 2 - naphthyl) benzaldehyde obtained in step one can be a 2, 8 - 2nd two bromines bend of the synthetic intermediates, thus high yield, short synthesis of 2, 8 - two bromines bend.