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Hexamethyl Disilazane

Hexamethyl Disilazane

CAS Number: 999-97-3

Molecular Formula: C6H19NSi2

About Hexamethyl Disilazane

Hexamethyldisilazane (CAS 999-97-3) serves as a critical silylating agent and functional group protective agent within the United States pharmaceutical sector, where high purity fine chemicals with >= 99% purity are essential for the synthesis of advanced antibiotics and antiviral APIs. Bis(trimethylsilyl)amine functio...

Hexamethyl Disilazane Specifications

CAS Number

999-97-3

Molecular Formula

C6H19NSi2

Molecular Weight

161.39 g/mol

IUPAC Name

1,1,1-trimethyl-N-(trimethylsilyl)silanamine

Canonical SMILES

C[Si](C)(C)N[Si](C)(C)C

InChI Key

FFUAGWLWBBFQJT-UHFFFAOYSA-N

PubChem CID

13838

CAS Number

999-97-3

Molecular Formula

C6H19NSi2

Molecular Weight

161.39 g/mol

IUPAC Name

1,1,1-trimethyl-N-(trimethylsilyl)silanamine

Canonical SMILES

C[Si](C)(C)N[Si](C)(C)C

InChI Key

FFUAGWLWBBFQJT-UHFFFAOYSA-N

PubChem CID

13838

Molecular Weight

161.39 g/mol

Physical appearance

Colorless liquid

Silylating Agent

A stable and effective reagent for the trimethylsilylation of hydrogen-labile substrates such as alcohols, amines, and carboxylic acids, commonly used for the protection of sensitive functional groups during chemical synthesis

Adhesion Promoter

A surface modifier used in photolithography to enhance the adhesion of photoresists to silicon wafers by converting hydrophilic surfaces to hydrophobic

Chemical Vapor Deposition Precursor

A molecular precursor used in plasma-enhanced chemical vapor deposition (PECVD) to deposit silicon carbonitride thin films or coatings for microelectronics and semiconductor devices

Pharmaceutical Intermediate

A critical protecting agent and reagent used in the synthesis of antibiotics, nucleoside drugs, and active pharmaceutical ingredients such as ampicillin and cephalexin

Surface Modifier

A reagent used to treat fumed silica, aerogels, and laboratory glassware to enhance hydrophobicity, thermal stability, and mechanical properties

Electron Microscopy Reagent

A chemical used in specimen preparation for scanning electron microscopy (SEM) as an alternative to critical point drying.

Hexamethyl Disilazane FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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