Diphenylsilanediol

CAS 947-42-2(C6H5)2Si(OH)2Chemical Synthesis

Diphenylsilanediol (CAS: 947-42-2), with the linear formula (C₆H₅)₂Si(OH)₂, is an organosilicon compound featuring two phenyl groups and two hydroxyl groups attached to a central silicon atom. This silanol is valuable in materials science for its role in synthesizing polymers and self-assembled monolayers. Its structure lends itself to applications in microelectronics and organometallic chemistry, serving as a precursor for more complex silicon-based materials.

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Diphenylsilanediol ((C6H5)2Si(OH)2) — chemical structure, CAS 947-42-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisMaterials ScienceMicro/NanoElectronicsOrganometallic ReagentsOrganosiliconSelf-Assembly MaterialsSilanesSilanols More...

01 /Applications

Precursor in Materials Science

Diphenylsilanediol is utilized as a building block for creating novel silicon-containing polymers and resins. Its ability to form ordered structures makes it suitable for developing self-assembled monolayers (SAMs) on various surfaces.

Component in Micro/Nanoelectronics

This compound finds application in the microelectronics industry as a precursor for dielectric layers or passivation coatings. Its organosilicon nature contributes to desirable electrical and thermal properties.

Organosilicon Synthesis

As a difunctional silanol, it serves as a key intermediate in organosilicon chemistry. It can participate in condensation reactions to form siloxane linkages, contributing to the synthesis of specialized organosilicon materials.

02 /Properties

Molecular weight	216.31
Linear formula	(C6H5)2Si(OH)2
Assay	95%
Vapour density	>1 (vs air)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Danger

Hazard statements

H228Flammable solid

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking

Protective equipment	Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Flash point	53 °C / 127.4 °F
Transport (UN / ADR)	UN 1325 4.1 / PGII
Water hazard class (WGK, DE)	3
Risk statements (R)	10

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

947-42-2

MDL number

MFCD00002101

PubChem substance

24893637

Beilstein registry

2523445

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Diphenylsilanediol used for?

Diphenylsilanediol is primarily used in materials science for synthesizing silicon-containing polymers and self-assembled monolayers, and it also finds applications in micro/nanoelectronics and organometallic reagents.

What is the CAS number and formula for Diphenylsilanediol?

The CAS number for Diphenylsilanediol is 947-42-2 and its linear formula is (C₆H₅)₂Si(OH)₂.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Diphenylsilanediol with a minimum assay of 95%. This is considered a technical or research grade, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.

How should Diphenylsilanediol be handled safely?

Diphenylsilanediol is a flammable solid (H228) and requires careful handling. Essential personal protective equipment includes eyeshields, appropriate gloves, and respiratory protection such as a P100 respirator. Store away from ignition sources in a well-ventilated area.

How is Diphenylsilanediol packed, shipped, and exported?

Diphenylsilanediol is packed in compliance with transportation regulations for flammable solids. As a global supplier and exporter, Tech Serve Solutions ensures adherence to all international shipping and export requirements.

How can I request a quote or sample of Diphenylsilanediol?

To request a quote or a sample of Diphenylsilanediol, please contact our sales team through the website or by phone. Provide your details and the quantity required.