Skip to main content

tert-Butyldimethylsilyl cyanide

Also known as: tert-Butylcyanodimethylsilane, tert-Butyldimethylsilylnitrile, Dimethyl(2-methyl-2-propanyl)silanecarbonitrile, [tert-butyl(dimethyl)silyl]formonitrile, t-Bu(Me)2SiCN, Silanecarbonitrile, 1-(1,1-dimethylethyl)-1,1-dimethyl-

tert-Butyldimethylsilyl cyanide (CAS 56522-24-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H15NSi and a molecular weight of 141.286 g/mol. Key properties include a melting point of 76-79ºC(lit.), a boiling point of 166.4±9.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 54.5±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56522-24-8
Jingsj CID
J-1028955-1
Molecular Formula
C7H15NSi
Molecular Weight
141.286 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point76-79ºC(lit.)
Boiling Point166.4±9.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point54.5±18.7 °C
Exact Mass141.097382
PSA23.79000
LogP2.23
Vapor Pressure1.8±0.3 mmHg at 25°C
Refractive Index1.412

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled

Frequently Asked Questions

What is the CAS number of tert-Butyldimethylsilyl cyanide?

The CAS number of tert-Butyldimethylsilyl cyanide is 56522-24-8.

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

tert-Butyldimethylsilyl cyanide has molecular formula C7H15NSi and molecular weight 141.286 g/mol.

Is tert-Butyldimethylsilyl cyanide hazardous?

tert-Butyldimethylsilyl cyanide has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.

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-Butyldimethylsilyl cyanide (CAS 56522-24-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1028955-1 (accessed 2026-11-09).

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