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tert-Butyldiphenylsilyl cyanide

Also known as: tert-Butyldiphenylsilyl cyanide, tert-Butyl(diphenyl)silanecarbonitrile, (1,1-dimethylethyl)diphenylsilyl cyanide, tert-Butyl-cyano-diphenylsilane, tert-Butyldiphenylsilylnitrile, [tert-butyl(diphenyl)silyl]formonitrile, Silanecarbonitrile, (1,1-dimethylethyl)diphenyl-

tert-Butyldiphenylsilyl cyanide (CAS 145545-43-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C17H19NSi and a molecular weight of 265.42500 g/mol. Key properties include a boiling point of 136ºC0.7 mm Hg(lit.), a density of 1.017 g/mL at 25ºC(lit.) and a flash point of >110ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
145545-43-3
Jingsj CID
J-1359433-7
Molecular Formula
C17H19NSi
Molecular Weight
265.42500 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/3/2026

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Physicochemical Properties

Boiling Point136ºC0.7 mm Hg(lit.)
Density1.017 g/mL at 25ºC(lit.)
Flash Point>110ºC
Exact Mass265.12900
PSA23.79000
LogP3.11248
Vapor Pressure0.71 psi ( 55 °C)
Refractive Indexn20/D 1.559(lit.)

Frequently Asked Questions

What is the CAS number of tert-Butyldiphenylsilyl cyanide?

The CAS number of tert-Butyldiphenylsilyl cyanide is 145545-43-3.

What are the molecular formula and molecular weight of tert-Butyldiphenylsilyl cyanide?

tert-Butyldiphenylsilyl cyanide has molecular formula C17H19NSi and molecular weight 265.42500 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "tert-Butyldiphenylsilyl cyanide (CAS 145545-43-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359433-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.