56309-94-5

Basic information

• Product Name: Ketoketal
• Synonyms: 1,1'-BICYCLOHEXANE-4,4'DIONE MONOETHYLENE KETAL;4-(1,4-Dioxaspiro[4.5]dec-8-yl)cyclohexanone;4,4'-DICYCLOHEXANEDIONE MONOETHYLENE KETAL;DICYCLOHEXANE-4,4'-DIONE MONOETHYLENE KETAL;BICYCLOHEXYL-4,4'-DIONE-MONOETHYLENEGLYCOL KETAL;KETOKETAL;Bicyclohexyl-4,4'-dion monoethyleneglycolketal;BICYCLOHEXANE-4,4'DIONE MONOETHYLENE KETAL
• CAS NO: 56309-94-5
• Molecular Formula: C₁₄H₂₂O₃
• Molecular Weight: 238.32
• EINECS: 423-860-2
• Mol File: 56309-94-5.mol

Chemical Properties

• Melting Point: 100.0 to 104.0 °C
• Boiling Point: 365.4 °C at 760 mmHg
• Flash Point: 166.2 °C
• Appearance: White crystal
• Density: 1.11 g/cm³
• Vapor Pressure: 0.064Pa at 20℃
• Storage Temp.: Sealed in dry,Room Temperature
• Water Solubility: Insoluble in water.
• CAS DataBase Reference: Ketoketal(CAS DataBase Reference)
• NIST Chemistry Reference: Ketoketal(56309-94-5)
• EPA Substance Registry System: Ketoketal(56309-94-5)

Safety Data

• Hazardous Substances Data: 56309-94-5(Hazardous Substances Data)

Usage

Uses

Used in Pharmaceutical Industry:
Ketoketal is used as a pharmaceutical intermediate for its ability to be transformed into various medicinal compounds. Its chemical structure allows for the creation of drugs that can target specific health conditions, making it an essential component in the development of new pharmaceuticals.
Used in Liquid Crystal Industry:
In the liquid crystal industry, Ketoketal is utilized as an intermediate for the production of liquid crystals. These liquid crystals are widely used in display technologies, such as televisions, computer monitors, and smartphones, due to their unique optical properties. The versatility of Ketoketal in this application contributes to the advancement of display technology and the development of high-quality screens.

Flammability and Explosibility

Notclassified

Upstream product

• 23391-99-3 4,4'-bicyclohexanone 
• 107-21-1 ethylene glycol 

Downstream Products

• 954119-09-6 4-(1,4-dioxaspiro[4.5]decan-8-yl)-1-(4-ethoxy-2,3-difluorophenyl)-cyclohexanol 
• 1268275-20-2 1-(4-(1,4-dioxaspiro[4.5]decan-8-yl)cyclohex-1-enyl)pyrrolidine 
• 1401904-59-3 8-(4-(trifluoromethyl)cyclohex-3-en-1-yl)-1,4-dioxaspiro[4,5]decan 
• 142256-87-9 4-(1,4-dioxaspiro[4.5]decan-8-yl)phenol 
• 92-68-2 4-cyclohexylcyclohexanone 
• 20818-96-6 8-cyclohexyl-1,4-dioxaspiro[4.5]decane 

Relevant articles and documents

SALT, ACID GENERATOR, RESIST COMPOSITION, AND METHOD FOR PRODUCING RESIST PATTERN

PROBLEM TO BE SOLVED: To provide a salt capable of producing a resist pattern with a good mask error factor (MEF), and a resist composition containing the salt. SOLUTION: The salt represented by formula (I), an acid generator, and the resist composition containing the same are provided. [In the formula, Q1 and Q2 each represent a fluorine atom, a perfluoroalkyl group or the like; R1 and R2 each represent a hydrogen atom, a fluorine atom, a perfluoroalkyl group or the like; z represents an integer of 0-6; X1 represents *-CO-O-, *-O-CO-, *-O-CO-O- or *-O-; L1 represents a single bond or a saturated hydrocarbon group; A1 represents an optionally substituted divalent alicyclic hydrocarbon group; Ra represents an optionally substituted alicyclic hydrocarbon group, and -CH2- contained in the group may be substituted with -O-, -S-, -SO2- or -CO-, provided that at least one -CH2- contained in the alicyclic hydrocarbon group is substituted with -O- or -CO-; and Z+ represents an organic cation.] SELECTED DRAWING: None COPYRIGHT: (C)2020,JPOandINPIT

Cyclohexene derivative having alkenyl, liquid crystal composition and liquid crystal display device

A liquid crystal compound selected from a group of compounds represented by formula (a): wherein Ra and Rb are each independently hydrogen, alkyl having 1 to 10 carbons or alkenyl having 2 to 10 carbons, provided that in the alkyl, —CH2— may be

METHOD FOR PRODUCING 4,4'-BICYCLOHEXANEDIONE MONOKETAL

Disclosed is a method for producing a 4,4'-bicyclohexanedione monoketal represented by the general formula (2) with high yield by a simple operation. In this method, 4,4'-bicyclohexanedione and a diol are reacted in the liquid phase in the presence of an acid catalyst while precipitating a 4,4'-bicyclohexanedione monoketal produced thereby.

Alkenylcyclohexane liquid crystalline compounds

Compounds of the formula STR1 wherein Z1 denotes a single covalent bond or --CH2 Ch2 --; ring A1 represents 1,4-phenylene, pyrimidine-2,5-diyl, pyridine-2,5-diyl or, when Z1 stands for --CH2 CH2 --, also trans-1,4-cyclohexylene; X1 stands for fluorine or chlorine; X2 signifies fluorine, chlorine or hydrogen, with the proviso that X2 only signifies hydrogen when X1 is chlorine or when ring A1 signifies pyridine-2,5-diyl and Z1 signifies --CH2 CH2 --; and R1 signifies 1E-alkenyl with 2 to 12 carbon atoms, their manufacture, liquid crystalline mixtures which contain these compounds and their use for electro-optical purposes.