Hexamethyldisilathiane, synthesis grade

Name: Hexamethyldisilathiane, synthesis grade
Brand: Vaqora Chemicals
SKU: VQ-011123

About Hexamethyldisilathiane, synthesis grade

Vaqora Chemicals supplies Hexamethyldisilathiane (Synthesis grade), an organosilicon compound registered under CAS number 3385-94-2. With the molecular formula C6H18SSi2, it has a molar mass of 178.44 g/mol. The IUPAC name is trimethyl(trimethylsilylsulfanyl)silane. Alternative names: (TMS)2S and Bis(trimethylsilyl) sulfide.

In its supplied form it is a liquid, colourless, clear to hazy. Literature values give a boiling point of 164 °C and a density of 0.846 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 1 g, 5 g and 25 g packs, Hexamethyldisilathiane is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Hexamethyldisilathiane, synthesis grade
Catalogue No.	VQ-011123
CAS Number	3385-94-2
IUPAC name	trimethyl(trimethylsilylsulfanyl)silane
Molecular formula	C₆H₁₈SSi₂
Molecular weight	178.44 g/mol
Exact mass	178.0668
Grade	Synthesis
HSN code	2931
InChIKey	RLECCBFNWDXKPK-UHFFFAOYSA-N
SMILES	C[Si](C)(C)S[Si](C)(C)C
PubChem CID	76920

Physical properties
Physical form	Liquid
Appearance	Liquid, colourless, clear to hazy
Boiling point	164 °C
Density	0.846 g/mL at 25 °C
H-bond donors / acceptors	0 / 1
TPSA	25.3 Å²
UN number	UN 1992
Synonyms	(TMS)2S, Bis(trimethylsilyl) sulfide, HMDS, Disilathiane, hexamethyl-, Disilthiane, hexamethyl-, Disilathiane, 1,1,1,3,3,3-hexamethyl-, Bis(trimethylsilyl)sulfide, Hexamethyldisilthiane, 1,1,1,3,3,3-Hexamethyldisilathiane, Thiobis(trimethylsilane), C6H18SSi2, trimethyl[(trimethylsilyl)sulfanyl]silane

Safety & hazard information (GHS)

Flammable

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H226Flammable liquid and vapor
H301Toxic if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H331Toxic if inhaled
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P262, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P316, P319, P321, P330, P332 + P317, P337 + P317

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

Frequently asked questions

What is the CAS number of Hexamethyldisilathiane, synthesis grade?

The CAS Registry Number of Hexamethyldisilathiane, synthesis grade is 3385-94-2. It is also known as (TMS)2S, Bis(trimethylsilyl) sulfide, HMDS.

What is the molecular formula and molecular weight of Hexamethyldisilathiane, synthesis grade?

Hexamethyldisilathiane, synthesis grade has the molecular formula C6H18SSi2 and a molecular weight of 178.44 g/mol. Its IUPAC name is trimethyl(trimethylsilylsulfanyl)silane.

Which grade and pack sizes of Hexamethyldisilathiane, synthesis grade can I order?

We supply Hexamethyldisilathiane, synthesis grade in Synthesis grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hexamethyldisilathiane, synthesis grade?

Yes. Every lot of Hexamethyldisilathiane, synthesis grade 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 Hexamethyldisilathiane, synthesis grade be shipped internationally?

Yes. Hexamethyldisilathiane, synthesis grade is classified as hazardous (UN 1992), 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.