4569-45-3

Basic information

• Product Name: 9,9-Dimethyl-9H-fluorene
• Synonyms: 9,9-DIMETHYLFLUORENE;9,9-Dimethyl-9H-fluorene;9,9-dimethyl-fluororene;9,9-Dimethylfluorene (purified by sublimation);9,9'-Dimethylfluorenee;9,9-Dimethyl-9H-fluo;9,9-DiMethylfluorene, 9,9-DiMethyl-9H-fluorene;9,9- two Methylfluorene
• CAS NO: 4569-45-3
• Molecular Formula: C₁₅H₁₄
• Molecular Weight: 194.27
• EINECS: 1312995-182-4
• Product Categories: Fluorene Derivatives;Electronic Chemicals;Fluorenes;Fluorenes & Fluorenones;Fluorene Series;Halogenated Heterocycles ,Thiophenes ,Thiazolines/Thiazolidines
• Mol File: 4569-45-3.mol
• Article Data: 28

Chemical Properties

• Melting Point: 96°C
• Boiling Point: 287 °C
• Flash Point: 138.7 °C
• Appearance: /
• Density: 1.04 g/cm³
• Vapor Pressure: 0.00196mmHg at 25°C
• Refractive Index: 1.591
• Storage Temp.: Sealed in dry,Room Temperature
• CAS DataBase Reference: 9,9-Dimethyl-9H-fluorene(CAS DataBase Reference)
• NIST Chemistry Reference: 9,9-Dimethyl-9H-fluorene(4569-45-3)
• EPA Substance Registry System: 9,9-Dimethyl-9H-fluorene(4569-45-3)

Safety Data

• Statements: 20/21/22-36/37/38
• Safety Statements: 26-37/39
• Hazardous Substances Data: 4569-45-3(Hazardous Substances Data)

Usage

InChI:InChI=1/C15H14/c1-15(2)13-9-5-3-7-11(13)12-8-4-6-10-14(12)15/h3-10H,1-2H3

Upstream product

• 86-73-7 9H-fluorene 
• 67-68-5 dimethyl sulfoxide 
• 104835-55-4 tert-butyl-9-methylfluorene-9-percarboxylate 
• 486-25-9 9-fluorenone 
• 74-88-4 methyl iodide 
• 4635-81-8 2-(biphenyl-2-yl)propan-2-ol 
• 7664-93-9 sulfuric acid 
• 7647-01-0 hydrogenchloride 
• 64-19-7 acetic acid 
• 19099-54-8 2-isopropyliodobenzene 
• 1993-03-9 o-fluorophenylboronic acid 
• 2052-07-5 2-Bromobiphenyl 
• 616-38-6 carbonic acid dimethyl ester 
• 74-96-4 ethyl bromide 

Downstream Products

• 59247-39-1 4a,9,9-Trimethyl-2,4a-dihydrofluoren 
• 59247-40-4 1,9,9-Trimethyl-1,4-dihydrofluoren 
• 1033000-98-4 2,7-bis(bromomethyl)-9,9-dimethylfluorene 
• 72322-75-9 1-(9,9-dimethyl-9H-fluoren-2-yl)ethan-1-one 
• 59247-38-0 9,9-Dimethyl-1,4-dihydrofluoren 
• 605644-46-0 9,9-dimethyl-2-nitro-9H-indole 
• 34895-45-9 di(adamantan-1-yl) disulfide 
• 15446-31-8 ditrityl disulfide 
• 59985-40-9 1-(4-tert-butylbenzyldisulfanyl)-4-tert-butylbenzene-1-methane 

Relevant articles and documents

Metal-selective coordination and enhanced fluorescence of a self-assembling ligand scaffold

A fluorescent hydroxyiminonicotinonitile (HINT) coordinating group can be incorporated into self-assembling ligand scaffolds, and shows metal-selective assembly and enhanced fluorescence. The assembly process is dependent on ligand coordination angle, and coordination only occurs for oxophilic first row transition metal ions, with affinity enhanced by the supramolecular assembly process. The ligands are weakly emissive, and show strong enhancement in fluorescence upon Zn2+ coordination, whereas Co2+ or Fe2+ cause complete quenching.

Fluorene-containing diamine monomer, polyimide film and preparation method and application thereof

The invention relates to the technical field of organic photoelectric polymers, and particularly relates to a fluorene-containing diamine monomer, a polyimide film and a preparation method and application thereof. The fluorene-containing diamine monomer provided by the invention has a structure as shown in a formula I defined in the description. The fluorene-containing diamine monomer provided by the invention is polymerized with a dianhydride monomer, so that the heat resistance of a polyimide film can be greatly improved, and the thermal expansion coefficient of the film can be reduced.

New synthesis method of 9,9-dimethyl fluorene

The invention belongs to the technical field of synthesis of a chemical display material, relates to a new synthesis process of an OLED material intermediate and particularly relates to a new synthesis method of 9,9-dimethyl fluorene. According to the method, the 9,9-dimethyl fluorene is prepared by performing reaction on dimethyl carbonate serving as a methylating reagent and fluorene in an organic solvent system within a certain temperature range and under the condition of alkaline substances. The dimethyl carbonate serves as the methylating reagent, so that the reaction process is stabilized and the economic property is greatly improved; meanwhile, due to use of the dimethyl carbonate, use of low-boiling-point highly toxic products such as methyl iodide and methyl bromide is avoided andenvironmental friendliness is realized; furthermore, the generated wastewater is single in component and convenient to treat.