Dimethyl dichlorosilane, 98%

Name: Dimethyl dichlorosilane, 98%
Brand: Vaqora Chemicals
SKU: VQ-000843

About Dimethyl dichlorosilane, 98%

Vaqora Chemicals supplies Dimethyl dichlorosilane, a synthetic reagent registered under CAS number 75-78-5, specified at ≥98% purity. The compound has the formula C2H6Cl2Si, corresponding to a molecular weight of 129.06 g/mol. Systematically, it is named dichloro(dimethyl)silane. Common synonyms include Dichlorodimethylsilane and Dichlorodimethylsilicon.

The product is provided as a liquid. Key physical data: a melting point of -76 °C and a density of 1.07 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis, reaction development, medicinal chemistry and catalysis. Buyers come mainly from academic and industrial research and paints and coatings.

Standard pack sizes are 250 mL, 1 L and 200 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Catalysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Dimethyl dichlorosilane, 98%
Catalogue No.	VQ-000843
CAS Number	75-78-5
IUPAC name	dichloro(dimethyl)silane
Molecular formula	C₂H₆Cl₂Si
Molecular weight	129.06 g/mol
Exact mass	127.9616
Purity / assay	≥98%
HSN code	29420090
InChIKey	LIKFHECYJZWXFJ-UHFFFAOYSA-N
SMILES	C[Si](C)(Cl)Cl
PubChem CID	6398

Physical properties
Physical form	Liquid
Appearance	Liquid
Melting point	-76 °C
Density	1.07 g/mL at 25 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
UN number	UN 1162
Synonyms	Dichlorodimethylsilane, Dichlorodimethylsilicon, Dimethylsilicon dichloride, Dimethylsilane dichloride, DMDCS, Silane, dichlorodimethyl-, Inerton AW-DMCS, Dimethyl-dichlorsilan, Inerton dw-dmc, LS 130, (CH3)2SiCl2, Repel-Silan

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P403 + P235, P405

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 75-78-5

EP

Dimethyl dichlorosilane, EP 98%

CAS: 75-78-5
Formula: C₂H₆Cl₂Si
MW: 129.06 g/mol

VQ-047134

Frequently asked questions

What is the CAS number of Dimethyl dichlorosilane, 98%?

The CAS Registry Number of Dimethyl dichlorosilane, 98% is 75-78-5. It is also known as Dichlorodimethylsilane, Dichlorodimethylsilicon, Dimethylsilicon dichloride.

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

Dimethyl dichlorosilane, 98% has the molecular formula C2H6Cl2Si and a molecular weight of 129.06 g/mol. Its IUPAC name is dichloro(dimethyl)silane.

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

We supply Dimethyl dichlorosilane, 98% in (≥98%) grade, in 250 mL, 1 L, 200 kg packs. Larger bulk quantities and custom packing are quoted on request.

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

Yes. Every lot of Dimethyl dichlorosilane, 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 Dimethyl dichlorosilane, 98% be shipped internationally?

Yes. Dimethyl dichlorosilane, 98% is classified as hazardous (UN 1162), 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.