1,8-Dibromopyrene

Base Information

• Chemical Name: 1,8-Dibromopyrene
• CAS No.: 38303-35-4
• Molecular Formula: C16H8Br2
• Molecular Weight: 360.048
• Hs Code.: 2903999090
• DSSTox Substance ID: DTXSID90878093
• Nikkaji Number: J89.223H
• Mol file: 38303-35-4.mol

Synonyms:1,8-dibromopyrene;38303-35-4;Pyrene, 1,8-dibromo-;SCHEMBL1062422;DTXSID90878093;MFCD00230868;AKOS015899693;SB66463;AS-56837;CS-0112871;D3168;FT-0746461

Chemical Property of 1,8-Dibromopyrene

Chemical Property:

• Vapor Pressure: 1.54E-08mmHg at 25°C
• Melting Point: 211 °C
• Boiling Point: 469.6°C at 760 mmHg
• Flash Point: 277.3°C
• PSA: 0.00000
• Density: 1.852g/cm³
• LogP: 6.10900
• Storage Temp.: Sealed in dry,Room Temperature
• XLogP3: 6.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 359.89723
• Heavy Atom Count: 18
• Complexity: 297

Purity/Quality:

99% ^*data from raw suppliers

1,8-Dibromopyrene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C3C(=C(C=C2)Br)C=CC4=C(C=CC1=C43)Br

Technology Process of 1,8-Dibromopyrene

There total 21 articles about 1,8-Dibromopyrene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

pyrene (129-00-0) → 1,6-dibromopyrene (27973-29-1) + 1,8-dibromopyrene (38303-35-4)

Guidance literature:

With carbon disulfide; bromine; at 20 ℃; for 17h;

DOI:10.1016/j.dyepig.2016.03.020

Reference yield: 83.6%

C24H28Br2O2 → 1,8-dibromopyrene (38303-35-4)

Guidance literature:

With methanesulfonic acid; In dichloromethane; at -10 - 20 ℃; for 1h; Inert atmosphere;

Reference yield: 82.0%

pyrene (129-00-0) → 1,8-dibromopyrene (38303-35-4) + 1,3,6-tribromopyrene (38303-36-5)

Guidance literature:

pyrene; With hydrogen bromide; dihydrogen peroxide; In methanol; diethyl ether; water; at 20 ℃; for 24h; Inert atmosphere;

With bromine; In nitrobenzene; at 20 ℃; for 12h; Overall yield = 74 percent; Overall yield = 8 g; Inert atmosphere;

DOI:10.1002/chem.202001919

upstream raw materials:

pyrene

1-bromopyrene

1-Amino-8-brom-pyren

dichloromethane

Downstream raw materials:

1,8-bis[Au(PPh₃)]pyrene*CH₂Cl₂

Refernces

• 1、 Ardic Alidagi, Husniye,Tümay, Süreyya O?uz,?enocak, Ahmet,?iftbudak, ?mer Faruk,?o?ut, Bünyemin,Ye?ilot, Serkan. "Constitutional isomers of dendrimer-like pyrene substituted cyclotriphosphazenes: Synthesis, theoretical calculations, and use as fluorescence receptors for the detection of explosive nitroaromatics". . p. 16738 - 16747. Retrieved 2019.
• 2、 -. "Synthetic method for preparing novel pyrene D-pi-A type solar cell dye through click reaction". Paragraph 0040; 0046; 0056; 0066; 0076; 0086; 0096; 0106. . Retrieved 2020/10/20.