Lithium bis(trimethylsilyl)amide

双(三甲基硅基)氨基锂

Also known as: Lithium hexamethyldisilazide, LiHMDS, LHMDS, Hexamethyldisilazane lithium salt, 1,1,1,3,3,3-Hexamethyldisilazane lithium salt, Lithium 1,1,1,3,3,3-hexamethyldisilazan-2-ide, Bis(trimethylsilyl)amine lithium salt, Lithium, [bis(trimethylsilyl)amino]-, Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, lithium salt (1:1)

CAS No.
4039-32-1
Jingsj CID
J-44587-8
Molecular Formula
C6H18LiNSi2
Chinese Name
双(三甲基硅基)氨基锂
Molecular Weight
167.326 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point73°C
Boiling Point55-56 °C
Density0.891 g/mL at 25 °C
Flash Point48 °F

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Lithium bis(trimethylsilyl)amide?

4039-32-1

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

C6H18LiNSi2, molecular weight 167.326 g/mol

Is Lithium bis(trimethylsilyl)amide hazardous?

Danger

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