Trimethylsilyl cyanide

三甲基氰硅烷

Also known as: Cyanotrimethylsilane, TMSCN, Trimethylsilanecarbonitrile, Trimethylsilylnitrile, Trimethylsilylcyanide, Silanecarbonitrile, trimethyl-

CAS No.
7677-24-9
Jingsj CID
J-28827-7
Molecular Formula
C4H9NSi
Chinese Name
三甲基氰硅烷
Molecular Weight
99.206 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point8-11 °C(lit.)
Boiling Point118.5±0.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point1.1±0.0 °C

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Trimethylsilyl cyanide?

7677-24-9

What are the molecular formula and molecular weight of Trimethylsilyl cyanide?

C4H9NSi, molecular weight 99.206 g/mol

Is Trimethylsilyl cyanide hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026