Lithium (trimethylsilyl)acetylide

三甲基硅基乙炔锂

Also known as: (Trimethylsilyl)ethynyllithium, Lithium trimethylsilylacetylide, Ethynyl(trimethyl)silane lithium

CAS No.
54655-07-1
Jingsj CID
J-1408361-3
Molecular Formula
C5H9LiSi
Chinese Name
三甲基硅基乙炔锂
Molecular Weight
104.15100 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point53ºC at 760 mmHg
Density0.829 g/mL at 25ºC
Flash Point-10 °F

GHS Safety & Compliance

Flammable / Corrosion / Irritant / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Lithium (trimethylsilyl)acetylide?

54655-07-1

What are the molecular formula and molecular weight of Lithium (trimethylsilyl)acetylide?

C5H9LiSi, molecular weight 104.15100 g/mol

Is Lithium (trimethylsilyl)acetylide hazardous?

Danger

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