63469-15-8

Basic information

• Product Name: Ethylenebis(diphenylmethanol)
• Synonyms: 1,1,4,4-Tetraphenyl-1,4-butanediol;Ethylenebis(diphenylmethanol)
• CAS NO: 63469-15-8
• Molecular Formula: C₂₈H₂₆O₂
• Molecular Weight: 394.54
• Mol File: 63469-15-8.mol
• Article Data: 3

Chemical Properties

• Melting Point: 204 °C(Solv: acetic acid (64-19-7))
• Boiling Point: 478.7°C (rough estimate)
• Flash Point: 268°C
• Appearance: /
• Density: 1.0383 (rough estimate)
• Vapor Pressure: 1.87E-15mmHg at 25°C
• Refractive Index: 1.4875 (estimate)
• PKA: 13.19±0.29(Predicted)
• CAS DataBase Reference: Ethylenebis(diphenylmethanol)(CAS DataBase Reference)
• NIST Chemistry Reference: Ethylenebis(diphenylmethanol)(63469-15-8)
• EPA Substance Registry System: Ethylenebis(diphenylmethanol)(63469-15-8)

Safety Data

• Hazardous Substances Data: 63469-15-8(Hazardous Substances Data)

Usage

General Description

Ethylenebis(diphenylmethanol), also known as Ethacure 300, is a chemical compound that is commonly used as a curing agent in the production of polyurethanes. It is a diol-based curing agent that reacts with isocyanates to form polyurethane polymers. Ethylenebis(diphenylmethanol) is known for its high reactivity and low volatility, making it suitable for a wide range of applications, including coatings, adhesives, sealants, and elastomers. It is also used as a crosslinking agent in the production of polyurethane foams, providing improved mechanical properties and durability. Additionally, Ethylenebis(diphenylmethanol) has low toxicity and is considered to be relatively safe for use in industrial settings.

InChI:InChI=1/C28H26O2/c29-27(23-13-5-1-6-14-23,24-15-7-2-8-16-24)21-22-28(30,25-17-9-3-10-18-25)26-19-11-4-12-20-26/h1-20,29-30H,21-22H2

Upstream product

• 108-86-1 bromobenzene 
• 106-65-0 Dimethyl succinate 
• 68313-22-4 3,3,6,6-tetraphenyl-1,2-dioxane 
• 591-51-5 phenyllithium 
• 599-67-7 1,1-diphenylethanol 
• 530-48-3 1,1-Diphenylethylene 
• 119-61-9 benzophenone 
• 64-17-5 ethanol 
• 2639-43-2 1,1,4,4-tetraphenyl-but-2-ene-1,4-diol 
• 1483-74-5 1,1,4,4-tetraphenyl-2-butyne-1,4-diol 
• 7647-01-0 hydrogenchloride 
• 60-29-7 diethyl ether 
• 123-25-1 succinic acid diethyl ester 
• 3970-44-3 1,1,4,4-tetraphenyl-butanediyl disodium 

Downstream Products

• 1450-63-1 1,1,4,4-tetraphenyl-1,3-butadiene 
• 859080-67-4 2,3-dichloro-1,4-dimethoxy-1,1,4,4-tetraphenyl-butane 
• 857821-41-1 3,4-dichloro-2,2,5,5-tetraphenyl-tetrahydro-furan 
• 134643-51-9 3-Ethoxycarbonyl-2-methyl-4-(2,2-diphenylethenyl)-5,5-diphenyl-4,5-dihydrofuran 
• 2491-41-0 phenyl-1,3,3-triphenyl-prop-2-enyl ketone 
• 72805-47-1 2,2,5,5-tetraphenyl-tetrahydrofurane 
• 80634-50-0 1,4-dimethoxy-1,1,4,4-tetraphenyl-butane 
• 1483-64-3 1,1,4,4-tetraphenyl-butane 

Relevant articles and documents

Novel titanium (IV) diolate complexes: Synthesis, structure and catalytic activities in ultra-high molecular weight polyethylene production

In this work we describe synthesis of new chloride and alkoxo-titanium (IV) complexes 3–7 with diol O,O-type ligands from readily available and scalable precursors. Structure of complex 6 was established by X-ray diffraction. Titanium atom adopts a tetrahedral geometry formed by three oxygen atoms of ligands and one oxygen atom of isopropoxo group. The resulting complexes 3–6 are moderately or highly active in ethylene polymerization in the presence of {3Et2AlCl?+?Bu2Mg} binary co-catalyst. Obtained polymers are linear polyethylene of ultrahigh molecular weight (3.7–8.8·106?g/mole) with a broad molecular weight distribution. Polymers are suitable for the modern methods of polymer processing - the solventless solid state formation of super high-strength (breaking strength over 2.3?GPa) and high-modulus (elastic modulus over 150?GPa) oriented films and film tapes.

FORMATION OF 1,2-DIOXANES BY ELECTRON-TRANSFER PHOTOOXYGENATION OF 1,1-DISUBSTITUTED ETHYLENES

Electron-rich 1,1-diarylethylenes (1a-e) afford 3,3,6,6-tetraaryl-1,2-dioxanes (3a-e) in high yields (>90percent) when subjected to electrontransfer photooxygenation in the presence of DCA.Whereas 1,1-diphenylethylene (1f) and 1,1-di(p-chlorophenyl)ethylene (1h) yield the 1,2-dioxanes 3f and 3h at 30percent and less than 10percent, respectively, there is negligible (if any) 1,2-dioxane formation with 1,1-di(m-anisyl)ethylene (1i). 1,2-Dioxane formation proceeds in a chain reaction (Scheme 1).N-Vinylcarbazol (1g), however, yields the 1,2-dioxane 3g via the cyclobutane derivative 7 (Scheme 2).