790-83-0

Basic information

• Product Name: DIPHENYLMETHANE-4,4'-DICARBOXYLIC ACID
• Synonyms: DIPHENYLMETHANE-4,4'-DICARBOXYLIC ACID;Benzoic acid, 4,4'-Methylenebis-;4,4'-Methylenedibenzoic acid;4-[(4-Carboxyphenyl)methyl]benzoic acid;Bis(4-carboxyphenyl)methane;Bis(p-carboxyphenyl)methane;Diphenylmethan-4,4'-dicarboxylic acid
• CAS NO: 790-83-0
• Molecular Formula: C₁₅H₁₂O₄
• Molecular Weight: 256.25
• Product Categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts
• Mol File: 790-83-0.mol
• Article Data: 4

Chemical Properties

• Melting Point: 346 °C
• Boiling Point: 485.2 °C at 760 mmHg
• Flash Point: 261.3 °C
• Appearance: /
• Density: 1.321
• Storage Temp.: Sealed in dry,Room Temperature
• PKA: 3.95±0.10(Predicted)
• CAS DataBase Reference: DIPHENYLMETHANE-4,4'-DICARBOXYLIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: DIPHENYLMETHANE-4,4'-DICARBOXYLIC ACID(790-83-0)
• EPA Substance Registry System: DIPHENYLMETHANE-4,4'-DICARBOXYLIC ACID(790-83-0)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36/37/39
• HazardClass: IRRITANT
• Hazardous Substances Data: 790-83-0(Hazardous Substances Data)

Usage

General Description

Diphenylmethane-4,4'-dicarboxylic acid is an organic compound and a crucial raw material used in the production of high-performance polymers and resins, such as polyamides and polyesters. It has a molecular formula C15H12O4. This chemical is recognized for its heat resistance, dimensional stability, and high mechanical strength, making it ideal for use in automotive parts, electricals, and electronics. Despite its beneficial properties, especially in industrial applications, there might be potential risks associated with its use as it can cause burns and eye damage, is harmful if swallowed or inhaled, and poses potential long-term environmental harm based on safety datasheets. Always ensure safe handling and proper protective measures when using this chemical.

Upstream product

• 79-37-8 oxalyl dichloride 
• 101-81-5 Diphenylmethane 
• 10466-37-2 4,4'-dicyanodiphenylmethane 
• 67-37-8 4,4'-methylenedibenzaldehyde 
• 101-77-9 4,4'-diamino diphenyl methane 
• 335248-43-6 bis[2-(trimethylsilyl)ethyl] 4,4'-methanediyl-dibenzoate 
• 7446-70-0 aluminium trichloride 
• 42107-14-2 2-Chloro-3-{4-[4-(2-chloro-2-cyano-ethyl)-benzyl]-phenyl}-propionitrile 
• 790-82-9 bis(4-acetylphenyl)methane 

Downstream Products

• 335248-43-6 bis[2-(trimethylsilyl)ethyl] 4,4'-methanediyl-dibenzoate 
• 67-37-8 4,4'-methylenedibenzaldehyde 
• 1092-70-2 methyl 4-[(4-methoxycarbonylphenyl)methyl]benzoate 
• 18190-51-7 bis<4-(ethoxycarbonyl)phenyl>methane 
• 1176170-52-7 bis(perfluorophenyl) 4,4'-methylenedibenzoate 
• 861550-28-9 3,3'-dinitro-4,4'-methanediyl-di-benzoic acid diethyl ester 
• 335248-45-8 (1R,3S,4R,6S,7R,9R,10S,12R,13S,15R)-15-[(t-butyldimethylsilyloxy)methyl]-1-quinquecyclopropanemethyl 2-(trimethylsilyl)ethyl 4,4'-methanediyl-dibenzoate 
• 335248-44-7 hydrogen 2-(trimethylsilyl)ethyl 4,4'-methanediyl-dibenzoate 
• 861531-58-0 3,3'-dinitro-4,4'-methanediyl-di-benzoic acid 

Relevant articles and documents

DENTAL CURABLE COMPOSITION

PROBLEM TO BE SOLVED: To provide a dental curable composition that comprises a polymerizable monomer, a cured product of which has excellent mechanical strength, and which has low viscosity and excellent handleability even in room temperature environment, and further has excellent operability. SOLUTION: A dental curable composition comprises (A) polymerizable monomer represented by formula (1), (B) polymerization initiator, and (C) organic-inorganic composite filler, where X is a divalent group; Ar1 and Ar2 each are an aromatic; L1 and L2 each are a hydrocarbon with the main chain consisting of 2-60 atoms; R1 and R2 independently represent H or methyl; m1, m2, n1 and n2 independently an integer of 1-3]. SELECTED DRAWING: None COPYRIGHT: (C)2017,JPO&INPIT

Dental adhesive composition

PROBLEM TO BE SOLVED: To provide a dental adhesive composition which does not have lower affinity to a tooth or the like and has high adhesive strength. SOLUTION: The present invention relates to the composition comprising a polymerizable monomer represented by general formula (1), and an acid group-containing polymerizable monomer. [X is a divalent group; Ar1 and Ar2 are each independently a divalent to tetravalent aromatic group; L1 and L2 are each independently a divalent to tetravalent hydrocarbon group having 2 to 60 atoms in the main chain; R1 and R2 are each independently H or methyl; or, m1, m2, n1 and n2 are each independently an integer of 1 to 3] SELECTED DRAWING: None COPYRIGHT: (C)2017,JPOandINPIT