BCIM CAS 7189-82-4

CAS: 7189-82-4

Molecular Formula: C42H28Cl2N4

Molecular Weight: 659.6

EINECS: 230-555-6

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; SYNCUREBMPSPHENYLTRIBROMOMETHYLSULPHONE; 2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimid; APi-BCIM

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What is BCIM CAS 7189-82-4?

BCIM is usually hexaaryldiimidazole, which can be prepared by polymerization of triphenylimidazole. It has a large conjugated system and two imidazole units, exhibiting good fluorescence properties and can be used as a photoinitiator in organic photochemical reactions. Hexaaryldiimidazole is a type of organic compound (HABI), typically hexaphenyldiimidazole.

Specification

Item	Specification
Boiling point	810.3±75.0 °C(Predicted)
Density	1.24±0.1 g/cm3(Predicted)
Melting point	194°C
pKa	3.37±0.10(Predicted)
Vapor pressure	0-0Pa at 20-25℃
solubility	Soluble in chloroform (small amount)

Application

2,2 '- di (2-chlorophenyl) -4,4'5,5' - tetraphenyl-1,2 '- diimidazole is a photoinitiator called o-chlorohexaaryldiimidazole (BCIM). The current synthesis method uses sodium hypochlorite as the oxidative condensing agent for BCIM, which brings a lot of alkaline "wastewater" and has low yield and high cost.