Chlorodiphenylsilane

CAS 1631-83-0(C6H5)2SiHClChemical Synthesis

Chlorodiphenylsilane (CAS: 1631-83-0) is an organosilicon compound with the linear formula (C6H5)2SiHCl and a molecular weight of 218.75 g/mol. This substance functions as a valuable reagent in chemical synthesis, particularly in the field of silicon-based chemistry. It is primarily employed for protection and derivatization reactions, offering a reliable method for modifying organic molecules. Its reactivity makes it a key intermediate in various synthetic pathways.

IUPAC: Diphenylchlorosilane
Synonyms: Diphenylchlorosilane

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Chlorodiphenylsilane ((C6H5)2SiHCl) — chemical structure, CAS 1631-83-0; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisSilicon-BasedSynthetic Reagents

01 /Applications

Protecting Group Chemistry

Chlorodiphenylsilane is utilised as a reagent for introducing protecting groups onto hydroxyl and amino functionalities. This enables selective reactions elsewhere in a molecule by temporarily masking reactive sites.

Derivatization Agent

It serves as a derivatizing agent in analytical chemistry, particularly for gas chromatography. Converting polar compounds into less polar, more volatile derivatives can improve separation and detection.

Silicon-Based Synthesis

As a silicon-containing compound, it is an important building block in the synthesis of organosilicon polymers and materials. Its structure allows for incorporation into polymer backbones or side chains.

Organic Synthesis Intermediate

Chlorodiphenylsilane acts as an intermediate in the synthesis of more complex organic molecules. The reactive Si-Cl bond can be readily displaced by various nucleophiles.

02 /Properties

Molecular weight	218.75
Linear formula	(C6H5)2SiHCl
Assay	90%
Boiling point	143 °C/10 mmHg(lit.)
Density	1.118 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.578(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES
P310Immediately call a POISON CENTER or doctor

Flash point	105 °C / 221 °F
Transport (UN / ADR)	UN 2987 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	34
Safety statements (S)	26-36/37/39-45
Supplemental hazards	Reacts violently with water.

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

04 /Identifiers & registry

CAS number

1631-83-0

MDL number

MFCD00045144

PubChem substance

24885189

Beilstein registry

2937164

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 Chlorodiphenylsilane used for?

Chlorodiphenylsilane is used in chemical synthesis as a protecting and derivatizing reagent, particularly in silicon-based chemistry and organic synthesis.

What is the CAS number and formula for Chlorodiphenylsilane?

The CAS number for Chlorodiphenylsilane is 1631-83-0, and its linear formula is (C6H5)2SiHCl.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Chlorodiphenylsilane with a minimum assay of 90%. We do not represent this product as USP, BP, or EP grade.

How should Chlorodiphenylsilane be handled safely?

Chlorodiphenylsilane is a corrosive substance that reacts violently with water. Handle with extreme care, wearing appropriate personal protective equipment including gloves, eye protection, and protective clothing. Ensure adequate ventilation and avoid contact with moisture. Refer to the Safety Data Sheet for full handling precautions.

How is Chlorodiphenylsilane packed and exported?

Chlorodiphenylsilane is packed and exported in compliance with international transport regulations for hazardous materials, including UN 2987 classification.