1450-23-3

Basic information

• Product Name: HEXAPHENYLDISILANE
• Synonyms: hexaphenyl-disilan;HEXAPHENYLDISILANE;1,1,1,2,2,2-Hexaphenyldisilane
• CAS NO: 1450-23-3
• Molecular Formula: C₃₆H₃₀Si₂
• Molecular Weight: 518.79
• EINECS: 215-913-1
• Product Categories: Si (Classes of Silicon Compounds);Si-Si Compounds
• Mol File: 1450-23-3.mol
• Article Data: 20

Chemical Properties

• Melting Point: 358-360 °C
• Boiling Point: 578 °C at 760 mmHg
• Flash Point: >200°C
• Appearance: /solid
• Density: 1.13 g/cm³
• Vapor Pressure: 9.31E-13mmHg at 25°C
• Refractive Index: 1.654
• Solubility: very faint turbidity in hot Toluene
• BRN: 2024230
• CAS DataBase Reference: HEXAPHENYLDISILANE(CAS DataBase Reference)
• NIST Chemistry Reference: HEXAPHENYLDISILANE(1450-23-3)
• EPA Substance Registry System: HEXAPHENYLDISILANE(1450-23-3)

Safety Data

• Hazard Codes: Xn
• Statements: 20/21/22
• Safety Statements: 36/37
• TSCA: Yes
• Hazardous Substances Data: 1450-23-3(Hazardous Substances Data)

Usage

Description

Hexaphenyldisilane, with the chemical formula (C6H5Si)2, is an organosilicon compound characterized by its white powder appearance. It is composed of a disilane core with six phenyl groups attached to it, which contributes to its unique chemical properties and potential applications.

Uses

1. High-temperature applications:
Hexaphenyldisilane is used in high-temperature applications due to its thermal stability and ability to withstand extreme conditions.
2. Silylating agent in meta-selective C-H bond silylation:
Used in Chemical Synthesis:
Hexaphenyldisilane is used as a silylating agent for meta-selective C-H bond silylation, in conjunction with Pd catalysts. This application is crucial for the synthesis of various organic compounds with specific structural requirements.
3. Conversion of [11C]CO2 to [11C]CO in radiochemistry:
Used in Radiochemistry:
Hexaphenyldisilane is used as a silylating agent for the conversion of [11C]CO2 to [11C]CO after fluoride activation. This process is essential in the production of radiolabeled carbon monoxide, which is widely used in medical imaging and research.

InChI:InChI=1/C36H30Si2/c1-7-19-31(20-8-1)37(32-21-9-2-10-22-32,33-23-11-3-12-24-33)38(34-25-13-4-14-26-34,35-27-15-5-16-28-35)36-29-17-6-18-30-36/h1-30H

Upstream product

• 76-86-8 Triphenylsilyl chloride 
• 1623-99-0 phenyl sodium 
• 789-25-3 HSiPh₃ 
• 119-61-9 benzophenone 
• 15487-82-8 triphenylsilylkalium 
• 124-38-9 carbon dioxide 
• 41114-91-4 Menthyloxy-α-naphthyl-phenyl-silan 
• 791-30-0 triphenylsilyl-lithium 
• 41491-37-6 Chloro-(2-isopropyl-5-methyl-cyclohexyloxy)-naphthalen-1-yl-phenyl-silane 
• 75-77-4 chloro-trimethyl-silane 
• 56-23-5 tetrachloromethane 
• 13596-23-1 perchlorotrisilane 
• 76-83-5 trityl chloride 
• 13517-13-0 disilicon hexabromide 

Downstream Products

• 18822-04-3 1,2-bis(triphenylsilyl)ethane 
• 18727-85-0 (1,4-dihydro-[4]pyridyl)-triphenyl-silane 
• 6990-64-3 triphenylsilyl bromide 
• 2736-27-8 5-Triphenylsilyl-1-pentanol 
• 18751-45-6 4-(Triphenylsilyl)-morpholin 
• 2128-25-8 1.2-Difluor-1.2-bis--aethylen 
• 6917-72-2 Triphenylsilyl-bis-dimethylamino-boran-butyl 
• 43081-37-4 1,2-diphenyl-1,1,2,2-tetrachlorodisilane 
• 57519-89-8 1,1,2,2-Tetrabrom-1,2-diphenyl-disilan 
• 6917-71-1 Bis-triphenylsilyl-diaethylamino-boran 
• 136839-65-1 C₃₁H₂₅F₃O₃SSi₂ 
• 136839-66-2 C₂₆H₂₀F₆O₆S₂Si₂ 
• 18751-39-8 (C₆H₅)3Si(OC₄H₉-t) 
• 15487-82-8 triphenylsilylkalium 

Relevant articles and documents

Disilane and preparation method thereof

The invention discloses disilane and a preparation method thereof. The preparation method of disilane includes: subjecting a uniformly mixed reaction system containing tertiary hydrosilane and a catalyst to dehydrogenation reaction at a temperature ranging from -10DEG C to 120DEG C to obtain disilane, wherein the catalyst comprises a silver salt. The invention also discloses the disilane preparedby the method. The method for preparation of the disilane by catalyzing tertiary silane dehydrogenation with the silver salt adopts the silver salt to activate the Si-H bond in the silane so as to realize construction of disilane. Therefore, the invention provides an efficient and simple method for preparation of the compound, and the application prospect is wide.

Method for continuously preparing disilane compounds by micro-reaction device

The invention discloses a method for continuously preparing disilane compounds by a micro-reaction device. The method comprises the following steps: (1) a solution A is prepared from organosilane by dissolving in a first organic solvent, or is organosilane; (2) a solution B is prepared from an oxidant by dissolving in a second organic solvent, or is an oxidant; (3) the solution A and the solutionB are pumped into a micro-mixer of the micro-reaction device simultaneously for mixing, a product then flows into a microreactor of the micro-reaction device for reaction, and the disilane compounds are prepared, wherein the microreactor is filled with a catalyst. Raw materials required in the method are easily available and have better stability, metal copper compounds are used as a catalyst forcoupling reaction on trisubstituted silanes, and the coupling effect on trisubstituted silanes is better than that of alkali metal catalysts and transition metal catalysts; a micro-channel reactor issuitable for an exothermic coupling reaction due to good mixing and heat transfer performance.