85954-11-6

Basic information

• Product Name: 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl
• Synonyms: 4,4'-bis(glycidyloxy)-3,3',5,5'-tetramethylbiphenyl;4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl;3,3',5,5'-Tetramethyl-4,4'-diphenol diglycidyl ether;2,2'-{[3,3'5,5'-tetramethyl(1,1'-biphenyl)-4,4'-diyl]bis(oxymethylene)}bisoxirane;Tetramethylbiphenyl diglycidyl ether;3,5,3`,5`-Tetramethyl-4,4`-di(2,3-epoxypropanoxy)bibenzene;Oxirane, 2,2-(3,3,5,5-tetramethyl1,1-biphenyl-4,4-diyl)bis(oxymethylene)bis-;4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethyl(1,1'-biphenyl)
• CAS NO: 85954-11-6
• Molecular Formula: C₂₂H₂₆O₄
• Molecular Weight: 354.44
• EINECS: 413-900-7
• Mol File: 85954-11-6.mol
• Article Data: 9

Chemical Properties

• Melting Point: 105°C
• Boiling Point: 473°C
• Flash Point: 132°C
• Appearance: /
• Density: 1.149
• Storage Temp.: -20°C Freezer, Under inert atmosphere
• Solubility: Benzene (Slightly, Sonicated), Chloroform (Slightly, Heated, Sonicated)
• CAS DataBase Reference: 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl(85954-11-6)
• EPA Substance Registry System: 4,4'-Bis(2,3-epoxypropoxy)-3,3',5,5'-tetramethylbiphenyl(85954-11-6)

Safety Data

• Hazard Codes: Xn
• Statements: 68
• Safety Statements: 22-36-37
• Hazardous Substances Data: 85954-11-6(Hazardous Substances Data)

Usage

Uses

4,4''-Bis(2,3-epoxypropoxy)-3,3'',5,5''-tetramethylbiphenyl can be used for bisphenol A-free in-can anticorrosive coating for metal packaging container.

Upstream product

• 2417-04-1 3,3',5,5'-tetramethyl-4,4'-dihydroxybiphenyl 
• 106-89-8 epichlorohydrin 
• 97115-91-8 3,3′,5,5'-tetramethyl-4,4′-bis(2-propen-1-yloxy)-1,1'-biphenyl 
• 374772-68-6 1-chloro-3-[4'-(3-chloro-2-hydroxy-propoxy)-3,5,3',5'-tetramethyl-biphenyl-4-yloxy]-propan-2-ol 

Relevant articles and documents

Cross-linked polybenzimidazole with enhanced stability for high temperature proton exchange membrane fuel cells

Cross-linked polybenzimidazole membranes were obtained by heating at 160 °C, using 4,4′-diglycidyl(3,3′,5,5′-tetramethylbiphenyl) epoxy resin (TMBP) as the cross-linker. The cross-linking reaction temperature was determined by DSC and the successful completion of the cross-linking reaction was shown by FTIR and solubility tests. The cross-linked membranes showed high proton conductivity and strong mechanical properties, as well as low swelling after immersion in 85% phosphoric acid at 90 °C. For instance, the membrane with a cross-linker content weight percent of 20% (PBI-TMBP 20%) with a PA doping level of 4.1 exhibited a proton conductivity of 0.010 S cm -1 and a low swelling volume of 50%. Moreover, the cross-linked membranes showed excellent oxidative stability. The PBI-TMBP 20% cross-linked membrane tested in Fenton's reagent (3% H2O2 solution, 4 ppm Fe2+, 70 °C) kept its shape for more than 480 h and did not break. In particular, the proton conductivity of the PA-PBI-TMBP 20% membrane after Fenton's test (30% H2O2, 20 ppm Fe2+, 85 °C) remained at a high level of 0.009 S cm-1. This investigation proved that cross-linking is a very effective approach for improving the performance of proton exchange membranes. The Royal Society of Chemistry.

Epoxy compound, composition, material for semiconductor package, molded product, electrical and electronic device, and semiconductor package

Epoxy compounds, compositions, materials for semiconductor packages, molded products, electrical and electronic devices, and semiconductor packages are provided. The epoxy compound is represented by the following Chemical Formula 1 and has at least one mesogenic naphthalene unit. In Chemical Formula 1, at least one of M1, M2, or M3, which is a mesogenic unit, is a naphthalene unit. M1, M2, M3, L1, L2, and E1 and E2 are as defined in the detailed description. The chemical formula (1) is E1-M1-L1-M2-L2-M3-E2.

The method for producing the epoxy compound

PROBLEM TO BE SOLVED: To provide a process for producing an alicyclic epoxy compound using hydrogen peroxide, which efficiently gives polyfunctional epoxy resins, to provide a curable resin composition containing an epoxy resin obtained by the production process for the epoxy resins, and to provide cured products thereof. SOLUTION: There is provided the epoxidation method including an oxidizing reaction of carbon-carbon double bonds using hydrogen peroxide, in which at least two kinds of tungstic acids, phosphoric acid (or a phosphate), a quaternary ammonium salt having ≥16 carbon atoms in total, and an aqueous hydrogen peroxide solution are essentially used. COPYRIGHT: (C)2011,JPOandINPIT