2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole CAS#: 7189-82-4

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2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole

Basic information Safety Supplier Related

2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole Basic information

Product Name:

2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole

Synonyms:

2,2'-di-(o-nitrophenoxy)-biphenyl
2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole (BCIM)
2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazo
2,2’-bis(o-chlorophenyl)-4,4’,5,5’-tetraphenyl-1,2’-bi(iii-imidazole)
2-(2-CHLOROPHENYL)-1-[2-(2-CHLOROPHENYL)-4,5-DIPHENYL-IMIDAZOL-2-YL]-4,5-DIPHENYL-IMIDAZOLE
Photopolymerizationinitiator
2,2'-Bis(2-chlorophenyl)-4,5,4',5'-tetraphenyl-1,2'-biimidazole
BCIM

CAS:

7189-82-4

MF:

C42H28Cl2N4

MW:

659.6

EINECS:

230-555-6

Product Categories:

Other Products
Industrial/Fine Chemicals
Functional Materials
Photopolymerization Initiators

Mol File:

7189-82-4.mol

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2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole Chemical Properties

Melting point:: 194°C
Boiling point:: 810.3±75.0 °C(Predicted)
Density: 1.24±0.1 g/cm3(Predicted)
vapor pressure: 0-0Pa at 20-25℃
solubility: Chloroform (Slightly), DMSO (Slightly)
form: Solid:crystalline
pka: 3.37±0.10(Predicted)
color: Light yellow to Yellow to Green
InChI: InChI=1S/C42H28Cl2N4/c43-35-27-15-13-25-33(35)41-45-39(31-21-9-3-10-22-31)40(32-23-11-4-12-24-32)48(41)42(34-26-14-16-28-36(34)44)46-37(29-17-5-1-6-18-29)38(47-42)30-19-7-2-8-20-30/h1-28H
InChIKey: MHDULSOPQSUKBQ-UHFFFAOYSA-N
SMILES: C1(C2=CC=CC=C2Cl)N(C2(C3=CC=CC=C3Cl)N=C(C3=CC=CC=C3)C(C3=CC=CC=C3)=N2)C(C2=CC=CC=C2)=C(C2=CC=CC=C2)N=1
LogP: 7.6 at 35℃ and pH9
CAS DataBase Reference: 7189-82-4(CAS DataBase Reference)
EPA Substance Registry System: 1H-Imidazole, 2-(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenyl-2H-imidazol-2-yl]-4,5-diphenyl- (7189-82-4)

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Safety Information

TSCA: TSCA listed
HS Code: 29339900

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2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole Usage And Synthesis

Uses

2,2''-Bis(2-chlorophenyl)-4,4'',5,5''-tetraphenyl-1,2''-biimidazole (CAS# 7189-82-4) is a hexaarylbiimidazole (HABI), a visible light thiol-ene photoinitiator, such as in the polymerization of 1,6-hexanediol diacrylate by hexaarylbisimidazoles and heterocyclic mercapto compounds.

Synthesis

Preparation of a bisimidazole photoinitiator (BCIM):
1. BCIM monomer wet cake is oxidatively coupled using HO in a biphasic system (aqueous alkali/dichloromethane) with a quaternary ammonium salt as phase-transfer catalyst.
2. Work-up: separation of organic phase, washing, and distillation to recover dichloromethane.
3. Isopropanol is added and distilled until turbidity. Water is added to crystallize the product, which is filtered, washed with isopropanol, and dried.

2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole Preparation Products And Raw materials

Preparation Products

Bifonazole

2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazoleSupplier

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