What is hexamethyldisilazane used for?

Hexamethyldisilazane is utilized as a silylating agent for chemical synthesis as well as in specialty industrial processes where a controlled surface modification is needed.

Is hexamethyldisilazane toxic?

Hexamethyldisilazane can be harmful if inhaled or if it comes in contact with skin or eyes. Always use proper protective equipment and follow safe handling practices.

What is another name for hexamethyldisilazane?

Another name for hexamethyldisilazane is HMDS.

What is the structure of Hexamethyldisilazane?

The hexamethyldisilazane structure consists of two silicon atoms bonded through a nitrogen atom, with methyl groups attached to each silicon.

What happens in the hexamethyldisilazane reaction with water?

Hexamethyldisilazane reaction with water causes decomposition and releases by-products, so it should be kept away from moisture and stored in tightly sealed containers.

Watch Video MSDS Specifications

Hexamethyldisilazane | 999-97-3

Cas No :

999-97-3

Synonyms :

Form :

Liquid

Molecular Weight :

160.38 G/mol

Molecular Formula :

C₆H₁₉NSI₂

Boiling Point :

151 °c

Melting Point :

-78 °c

Flash Point :

-4 °c

Solubility :

Insoluble In Water; Soluble In Organic Solvents

Description :

Hexamethyldisilazane Supplier and Exporter for the USA

ChemicalBull supplies Hexamethyldisilazane, also known as HMDS, for silylation, chemical synthesis, surface treatment, semiconductor processing, laboratory chemistry, and specialty industrial applications across the USA.

Hexamethyldisilazane has CAS No. 999-97-3 and molecular formula C₆H₁₉NSi₂. It is a moisture-sensitive silicon-based reagent commonly used to introduce trimethylsilyl groups and modify surfaces or chemical compounds.

ChemicalBull supports bulk supply requirements for semiconductor and electronics manufacturers, specialty chemical companies, laboratories, pharmaceutical and fine-chemical processors, surface-treatment companies, distributors, and industrial buyers in the USA.

Applications of Hexamethyldisilazane

Silylation Reagent

HMDS is widely used as a silylating reagent in organic and analytical chemistry to modify functional groups and improve volatility or reaction behavior of selected compounds.

Semiconductor Processing

Hexamethyldisilazane is used in selected semiconductor processing operations, including surface treatment and adhesion promotion for photoresist-related processes.

Surface Treatment

HMDS can be used to modify surfaces and reduce surface interaction with moisture in selected industrial and laboratory applications.

Organic and Analytical Chemistry

It is used as a reagent in chemical synthesis, analytical sample preparation, and specialty laboratory procedures.

Hexamethyldisilazane Supplier and Distributor in the USA

ChemicalBull supplies Hexamethyldisilazane for silylation, electronics, semiconductor processing, surface treatment, chemical synthesis, and laboratory applications in the USA.

Because HMDS is moisture-sensitive, buyers should specify packaging, purity, quantity, handling requirements, and application while making an enquiry.

Bulk Product Supply

Silylation chemistry
Semiconductor processing
Photoresist surface treatment
Surface modification
Organic synthesis
Analytical chemistry
Specialty chemical manufacturing
Industrial processing

ChemicalBull supports sourcing, packaging, documentation, and bulk supply for customers in the USA.

Why Buy Hexamethyldisilazane from ChemicalBull?

ChemicalBull supports sourcing of Hexamethyldisilazane for industrial and specialty applications requiring a moisture-sensitive silylation reagent.

Buyer Advantages:

Bulk specialty chemical supply
Suitable for silylation chemistry
Suitable for semiconductor applications
Surface-treatment applications
Packaging support
COA and SDS documentation support
Industrial procurement assistance
USA export supply support

Frequently Asked Questions About Hexamethyldisilazane

What is Hexamethyldisilazane?
Hexamethyldisilazane, or HMDS, is a silicon-based silylating reagent with CAS No. 999-97-3.
What is Hexamethyldisilazane used for?
It is used for silylation, surface treatment, semiconductor processing, organic synthesis, and analytical chemistry.
Is Hexamethyldisilazane moisture sensitive?
Yes. HMDS reacts with moisture, so it should be stored and handled in tightly sealed conditions according to its SDS.
What is the molecular formula of HMDS?
The molecular formula is C₆H₁₉NSi₂.
Can HMDS be supplied in bulk in the USA?
Yes. ChemicalBull supports bulk Hexamethyldisilazane supply for qualified industrial customers.