1539-04-4

Basic information

• Product Name: DIPHENYL TEREPHTHALATE
• Synonyms: 1,4-BENZENEDICARBOXYLIC ACID DIPHENYL ESTER;DIPHENYL TEREPHTHALATE;DPTP;Terephthalic acid diphenyl;benzene-1,4-dicarboxylic acid diphenyl ester;diphenyl benzene-1,4-dicarboxylate;Terephthalic acid, diphenyl ester
• CAS NO: 1539-04-4
• Molecular Formula: C₂₀H₁₄O₄
• Molecular Weight: 318.32
• EINECS: 216-264-7
• Product Categories: Aromatic Esters
• Mol File: 1539-04-4.mol
• Article Data: 10

Chemical Properties

• Melting Point: 197-199°C
• Boiling Point: 496.6°Cat760mmHg
• Flash Point: 255°C
• Appearance: /
• Density: 1.242g/cm³
• Vapor Pressure: 5.34E-10mmHg at 25°C
• Refractive Index: 1.615
• Storage Temp.: Sealed in dry,Room Temperature
• BRN: 1889204
• CAS DataBase Reference: DIPHENYL TEREPHTHALATE(CAS DataBase Reference)
• NIST Chemistry Reference: DIPHENYL TEREPHTHALATE(1539-04-4)
• EPA Substance Registry System: DIPHENYL TEREPHTHALATE(1539-04-4)

Safety Data

• Safety Statements: 22-24/25
• TSCA: Yes
• Hazardous Substances Data: 1539-04-4(Hazardous Substances Data)

Usage

Description

Diphenyl Terephthalate, also known as DIPHT, is an organic compound that belongs to the class of aromatic dicarboxylic acid esters. It is characterized by its chemical structure, which consists of two phenyl rings connected to a terephthalate group. This unique structure endows DIPHT with specific properties that make it suitable for various applications across different industries.

Uses

Used in Polymer Industry:
Diphenyl Terephthalate is used as a monomer for the synthesis of block copolymers. Its aromatic structure and ester linkage contribute to the formation of polymers with enhanced mechanical and thermal properties, making them suitable for a wide range of applications.
Used in Material Science:
Diphenyl Terephthalate is utilized as a key component in the preparation of various materials that require differing textures. Its ability to form copolymers with diverse properties allows for the creation of materials with tailored characteristics, such as flexibility, rigidity, and durability, depending on the specific requirements of the application.

InChI:InChI=1/C20H14O4/c21-19(23-17-7-3-1-4-8-17)15-11-13-16(14-12-15)20(22)24-18-9-5-2-6-10-18/h1-14H

Upstream product

• 100-20-9 terephthaloyl chloride 
• 108-95-2 phenol 
• 102-09-0 bis(phenyl) carbonate 
• 100-21-0 terephthalic acid 
• 589-87-7 1,4-bromoiodobenzene 
• 13939-06-5 molybdenum hexacarbonyl 
• 106-37-6 1.4-dibromobenzene 
• 1864-94-4 phenyl formate 
• 624-38-4 para-diiodobenzene 

Downstream Products

• 15517-46-1 1,4-phenylenebis((4-hydroxyphenyl)methanone) 
• 1076-98-8 Thioterephthalic (S)-acid 
• 104351-47-5 4-<<3-(Triethoxysilyl)propyl>carbamoyl>benzoesaeure-phenylester 
• 104373-42-4 4-<(3R,4R)-3,4-Bis(diphenylphosphino)pyrrolidinocarbonyl>-N-<3-(triethoxysilyl)propyl>benzamid 
• 15517-45-0 1,4-phenylenebis[(4-methoxypheny)lmethanone] 
• 150940-37-7 1,4-bis-(4-acetoxy-benzoyl)-benzene 
• 6315-88-4 1,4-bis-[4-(3-bromo-benzoyloxy)-benzoyl]-benzene 

Relevant articles and documents

Fourier transform Raman spectroscopic study of main-chain thermotropic liquid crystalline polyesters

The Fourier transform infrared and Raman spectra of the semi-flexible main-chain thermotropic liquid crystal polyester, poly(heptamethylene terephthaloyl-bis-4-oxybenzoate) are presented, and tentative band assignments given.The polymer is investigated as a function of its thermal history, and Fourier transform Raman spectra are recorded with temperature using a high-temperature cell.The results are discussed along with calorimetric and X-ray scattering data.Spectral evidence is presented which is related to both the sample crystallinity, and the crystal-to-liquid crystal phase transition.

1. 4 - b (4 - hydroxybenzene acyl) rectifying section polyetherketoneetherketoneketone copolymer preparation method

The invention relates to a 1,4-dis(4-hydroxyl pyrazolyl)benzene and a preparation method of a polyetheretherketone copolymer, which belongs to the high-molecular material field. The method comprises the following steps: selecting nitrobenzene and tetrachloroethanes as solvents, taking aluminium trichloride as a catalyst for a Fries rearrangement reaction to obtain a 1,4-dis(4-hydroxyl pyrazolyl)benzene monomer, then adding 4,4'-difluorobenzophenone and sulfobenzide in a reaction container equipped with a thermometer, protecting under nitrogen, heating to 160-180 DEG C and adding carbonate, heating to 165-190 DEG C and adding a bisphenol monomer, wherein the bisphenol monomer is a mixture of hydroquinone and 1,4-dis(4-hydroxyl pyrazolyl)benzene, performing a program temperature control reaction to obtain a polymer, and processing to obtain the refined polyetheretherketone random polymer.

Molybdenum hexacarbonyl mediated alkoxycarbonylation of aryl halides

Mo(CO)mediates the alkoxycarbonylation of aryl halides in their reaction with alcohols to afford arenecarboxylic acid esters. The molybdenum carbonyl complexes act as the catalyst and the source with carbon monoxide. The alkoxycarbonylation proceeds with a small excess of carbon monoxide in the form of Mo(CO)and the procedure is simple compared to the conventional method, which uses palladium catalyst under gaseous carbon monoxide. Using this procedure, a variety of carboxylic acid esters were prepared. Georg Thieme Verlag Stuttgart ? New York.