Hexamethyldisilazane, 98%

Name: Hexamethyldisilazane, 98%
Brand: Vaqora Chemicals
SKU: VQ-011124

About Hexamethyldisilazane, 98%

Hexamethyldisilazane (CAS 999-97-3) is an organosilicon compound offered by Vaqora Chemicals (Synthesis grade) with a typical assay of 98%. With the molecular formula C6H19NSi2, it has a molar mass of 161.39 g/mol. The IUPAC name is [dimethyl-(trimethylsilylamino)silyl]methane. Common synonyms include 1,1,1,3,3,3-Hexamethyldisilazane and Bis(trimethylsilyl)amine.

In its supplied form it is a colourless liquid. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis, chromatography, biological staining and molecular biology workflows. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and diagnostics and biotechnology.

Available in 100 mL, 500 mL and 150 kg packs, Hexamethyldisilazane is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Chromatography
Biological staining
Molecular biology workflows
Solvent & extraction work

Industries

Specifications & identifiers

Chemical identifiers
Product name	Hexamethyldisilazane, 98%
Catalogue No.	VQ-011124
CAS Number	999-97-3
IUPAC name	[dimethyl-(trimethylsilylamino)silyl]methane
Molecular formula	C₆H₁₉NSi₂
Molecular weight	161.39 g/mol
Exact mass	161.1056
Grade	Synthesis
Purity / assay	98%
HSN code	29420090
InChIKey	FFUAGWLWBBFQJT-UHFFFAOYSA-N
SMILES	C[Si](C)(C)N[Si](C)(C)C
PubChem CID	13838

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
H-bond donors / acceptors	1 / 1
TPSA	12 Å²
UN number	UN 3286
Synonyms	1,1,1,3,3,3-Hexamethyldisilazane, Bis(trimethylsilyl)amine, HMDS, 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-, sodium hexamethyldisilazide, hexamethyldisilylamine, (TMS)2NH

Safety & hazard information (GHS)

Flammable

Corrosive

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H302+H332Harmful if swallowed or if inhaled
H302Harmful if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H332Harmful if inhaled
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P261, P262, P264, P270, P271, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P354 + P338, P316, P317, P321

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 999-97-3

GC

Hexamethyldisilazane, for GC ≥98.00%

CAS: 999-97-3
Formula: C₆H₁₉NSi₂
MW: 161.39 g/mol

VQ-045638

Frequently asked questions

What is the CAS number of Hexamethyldisilazane, 98%?

The CAS Registry Number of Hexamethyldisilazane, 98% is 999-97-3. It is also known as 1,1,1,3,3,3-Hexamethyldisilazane, Bis(trimethylsilyl)amine, HMDS.

What is the molecular formula and molecular weight of Hexamethyldisilazane, 98%?

Hexamethyldisilazane, 98% has the molecular formula C6H19NSi2 and a molecular weight of 161.39 g/mol. Its IUPAC name is [dimethyl-(trimethylsilylamino)silyl]methane.

Which grade and pack sizes of Hexamethyldisilazane, 98% can I order?

We supply Hexamethyldisilazane, 98% in Synthesis (98%) grade, in 100 mL, 500 mL, 150 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hexamethyldisilazane, 98%?

Yes. Every lot of Hexamethyldisilazane, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Hexamethyldisilazane, 98% be shipped internationally?

Yes. Hexamethyldisilazane, 98% is classified as hazardous (UN 3286), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.