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Lithium bis(trimethylsilyl)amide

CAS 4039-32-1C6H19NSi2MW 161.39

Lithium bis(trimethylsilyl)amide (CAS No. 4039-32-1) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number4039-32-1
Molecular FormulaC6H19NSi2
Molecular Weight161.39
Boiling Point125 °C
Purity按批次COA提供(不公开发布)
Packaging按订单/批次确认(不公开发布)
ApplicationsOrganic Chemicals
CategoryOrganic Chemicals

Where it is used

Organic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)
Purity按批次COA提供(不公开发布)
StorageSealed, cool and dry place
Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

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

The CAS number of Lithium bis(trimethylsilyl)amide is 4039-32-1.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of Lithium bis(trimethylsilyl)amide?

Main applications include Organic Chemicals.

How do I buy Lithium bis(trimethylsilyl)amide or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

Lithium bis(trimethylsilyl)amide · CAS 4039-32-1 · C6H19NSi2. UNII H36C68P1BH. Boiling Point: 125 °C; Boiling Point: 125 °C @760 [mm Hg]; Flash Point: 48 °F (NFPA, 2010).

Identification

CAS Registry Number4039-32-1
PubChem CID13838
Molecular formulaC6H19NSi2
IUPAC name[dimethyl-(trimethylsilylamino)silyl]methane
UNII (FDA)H36C68P1BH

Computed Descriptors

Molecular Weight161.39
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count2
Exact Mass161.10560268
Monoisotopic Mass161.10560268
Topological Polar Surface Area12
Heavy Atom Count9
Formal Charge0
Complexity76.2

Physical & Chemical Properties

Boiling Point125 °C
Boiling Point125 °C @760 [mm Hg]
Flash Point48 °F (NFPA, 2010)
Flash Point27 °C
Flash Point81 °F (27 °C) closed cup
Density0.7741 g/cu cm at 25 °C
Density0.76 @25 °C
Vapor Pressure13.8 [mmHg]
Vapor Pressure13.8 mm Hg at 25 °C
Vapor Pressure13.8 [mm Hg] @25 °C

Physical description & handling notes

  • Hexamethyl disilazane appears as a liquid. May be toxic by ingestion. Irritates skin and eyes. Vapors are heavier than air. May emit highly toxic nitrogen oxide fumes when heated to decomposition. Used to make other chemicals.
  • Liquid; Other Solid
  • Colorless liquid
  • Ammonia-like odor
  • 14 °C (closed cup) /from table/
  • Soluble in acetone, benzene, ethyl ether, heptane, perchloroethylene

Regulatory Status

Regulatory & Food ContactFDA Cumulative Estimated Daily Intake (CEDI): FCS
GHS notification summary5.8% (35 / 606)

GHS Hazard Classification

GHS notification summary5.8% (35 / 606)
Reported hazard statementsH225 (93.7%), H302, H332 (27.1%), H311 (88.6%), H314 (31.8%), H412 (85.5%), H320, H331

This chemical does not meet GHS hazard criteria for 5.8% (35 of 606) of reports.

H225 (93.7%): Highly Flammable liquid and vapor [Danger Flammable liquids]

Documented Uses

  • Used to deactivate chromatography support materials and to promote adhesion of photoresists in the electronics industry; [HSDB]
  • Semiconductor Manufacturing [Category: Industry]
  • Deactivation of chromatographic support materials. In electronic industry as an adhesion promoter for photoresists on silicon.
  • The substance is used as a chemical intermediate in the production of siloxane polymers.
  • Semiconductor and photovoltaic agent
  • Processing aids not otherwise specified

Synonyms

Hexamethyldisilazane; 999-97-3; HMDS; Bis(trimethylsilyl)amine; 1,1,1,3,3,3-Hexamethyldisilazane; Hexamethylsilazane; 1,1,1-Trimethyl-N-(trimethylsilyl)silanamine; Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-; TSL 8802; hexamethyl disilazane; Disilazane, 1,1,1,3,3,3-hexamethyl-; SZ 6079; DTXSID2025395; H36C68P1BH; NSC-93895; DTXCID805395

Frequently Asked Questions

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

CAS 4039-32-1; molecular formula C6H19NSi2; molecular weight — g/mol.

What other names is Lithium bis(trimethylsilyl)amide known by?

Hexamethyldisilazane, 999-97-3, HMDS, Bis(trimethylsilyl)amine, 1,1,1,3,3,3-Hexamethyldisilazane, Hexamethylsilazane.

What is the regulatory status of Lithium bis(trimethylsilyl)amide?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS.

Is Lithium bis(trimethylsilyl)amide classified as hazardous?

5.8% of GHS notifications report no hazard classification (35 of 606).

What are the key physical properties of Lithium bis(trimethylsilyl)amide?

Boiling Point: 125 °C; Boiling Point: 125 °C @760 [mm Hg]; Flash Point: 48 °F (NFPA, 2010); Flash Point: 27 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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