1,2-Dihydroacenaphthylene; 1,8-Ethylenenaphthalene; Naphthyleneethylene; Acenaphthylene, 1,2-Dihydro-; Peri-Ethylenenaphthalene; Ethylenenaphthalene; 1,8-Dihydroacenaphthalene; Unii-V8Ut1Gac5Y; 1,2-Dihydro Acenaphthylene; 1H-Acenaphthylene

Brief Introduction

This product is the raw material for the production of 1,8-naphthalene dicarboxylic anhydride. It can be dehydrogenated to acenaphthene resin. It can be used to make dyes, plant growth hormones, insecticides and bactericides.

9-Phenyl-9H-Carbazol-3-Ylboronic Acid

CAS:854952-58-2

Molecular Formula:C18H14BNO2

Alias

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(9-Phenylcarbazol-3-Yl)Boronic Acid; (9-Phenyl)Carbazole-3-Boronic Acid Pinacol Ester; 3-Bapc; B-[3-(9-Phenyl-9H-Carbazole-3-Yl)Phenyl]-Boronic Acid; Carbazol-9-Phenyl-3-Boronic Acid; Pcz-Boh; N-Phenylcarbazol-3-Boronic Acid; N-Phenyl-3-Oxazole Boric Acid

Brief Introduction

N-phenyl-3-carbazole boric acid is a raw material for the synthesis of alkylated organic dyes.

Fluorene

CAS:86-73-7

Molecular Formula:C13H10

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O-Biphenylenemethane; Alpha-Diphenylenemethane; 2,2’-Methylemebiphemyl; Methylenebiphenyl; Diphenylenemethane; 9H-Fluorene; N-Boc-L-Ser-Nhobn

Brief Introduction

Fluorene is a polycyclic aromatic hydrocarbon with white flake crystal. It has fluorescence when impure, and has a characteristic aromatic smell similar to naphthalene. It is found in the high boiling components of automobile exhaust, corn whisker and coal tar. Combustible. It is insoluble in water, but soluble in benzene, carbon disulfide, ethanol and ether. Fluorene can be synthesized in industry and used as precursor of dye, plastics and insecticide. It can be used to synthesize 9-fluorenone, 9-fluorenol and trinitrofluorenone. Polyfluorene can be used as a light emitter in organic light emitting diodes. The 9-position proton of fluorene is acidic with pKa of 22.6 (DMSO), which can be removed by alkali (such as sodium hydroxide) to form orange yellow aromatic anion. The anion can be used as a nucleophilic reagent to replace the electrophilic reagent at 9-position. Fluorene derivative 9-fluorenyl methyl chloroformate (Fmoc CL) is used to give fluorene methoxycarbonyl protection to amino groups in peptide synthesis.

Pyromellitic Dianhydride

MSDS

CAS:89-32-7

Molecular Formula:C10H2O6

Alias

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Benzo[1,2-C:4,5-C']Difuran-1,3,5,7-Tetraone; 1,2,4,5-Benzenetetracarboxylic Dianhydride; Benzene-1,2:4,5-Tetracarboxylic Dianhydride; Pmda; Benzene-1,2,4,5-Tetracarboxylic Dianhydride

Brief Introduction

PMDA is mainly used as epoxy resin curing agent and polyimide raw material. The crosslinking of polyester resin produces homobenzene polyetherimide resin, which is a high temperature resistant engineering material that can be used continuously and for a long time at 2600C. It is also used to prepare epoxy resin curing agent and plasticizer, urea formaldehyde resin stabilizer, phthalocyanine blue dye, corrosion inhibitor, instantaneous binder, electronic photography toner, etc.

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