(tert-Butyldimethylsilyl)acetylene, 99%

Name: (tert-Butyldimethylsilyl)acetylene, 99%
Brand: Vaqora Chemicals
SKU: VQ-011089

About (tert-Butyldimethylsilyl)acetylene, 99%

(tert-Butyldimethylsilyl)acetylene (CAS 86318-61-8) is an organosilicon compound offered by Vaqora Chemicals at a purity of 99%. Formula C8H16Si, molecular weight 140.3 g/mol. The IUPAC name is tert-butyl-ethynyl-dimethylsilane. Alternative names: Ethynyl-tert-butyldimethylsilane and tert-butyl-ethynyl-dimethyl-silane.

It is supplied as a solid. Key physical data: a boiling point of 116-117 °C and a density of 0.751 g/mL at 25 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer (tert-Butyldimethylsilyl)acetylene in 1 g, 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	(tert-Butyldimethylsilyl)acetylene, 99%
Catalogue No.	VQ-011089
CAS Number	86318-61-8
IUPAC name	tert-butyl-ethynyl-dimethylsilane
Molecular formula	C₈H₁₆Si
Molecular weight	140.3 g/mol
Exact mass	140.1021
Purity / assay	99%
HSN code	29399900
InChIKey	RTYNRTUKJVYEIE-UHFFFAOYSA-N
SMILES	CC(C)(C)[Si](C)(C)C#C
PubChem CID	2757281

Physical properties
Physical form	Solid
Appearance	Solid
Boiling point	116-117 °C
Density	0.751 g/mL at 25 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	Ethynyl-tert-butyldimethylsilane, tert-butyl-ethynyl-dimethyl-silane, ethynyl-t-butyldimethylsilane, tert-butylethynyldimethylsilane, (tert-Butyl)ethynyldimethylsilane, (tert-Butyldimethylsilyl)acetylene, 99%, (tert-Butyldimethylsilyl)ethyne, Silane, (1,1-dimethylethyl)ethynyldimethyl-, [(tert-Butyl)dimethylsilyl]acetylene, tert-butyl-ethynyl-dimeth, t-butyldimethylsilylacetylene, tert-butyl(ethynyl)-dimethylsilane

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

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

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264 + P265, P271, P280, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P337 + P317, P370 + P378, P403 + P233, P403 + P235, P405, P501

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 (tert-Butyldimethylsilyl)acetylene, 99%?

The CAS Registry Number of (tert-Butyldimethylsilyl)acetylene, 99% is 86318-61-8. It is also known as Ethynyl-tert-butyldimethylsilane, tert-butyl-ethynyl-dimethyl-silane, ethynyl-t-butyldimethylsilane.

What is the molecular formula and molecular weight of (tert-Butyldimethylsilyl)acetylene, 99%?

(tert-Butyldimethylsilyl)acetylene, 99% has the molecular formula C8H16Si and a molecular weight of 140.3 g/mol. Its IUPAC name is tert-butyl-ethynyl-dimethylsilane.

Which grade and pack sizes of (tert-Butyldimethylsilyl)acetylene, 99% can I order?

We supply (tert-Butyldimethylsilyl)acetylene, 99% in (99%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (tert-Butyldimethylsilyl)acetylene, 99%?

Yes. Every lot of (tert-Butyldimethylsilyl)acetylene, 99% 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 (tert-Butyldimethylsilyl)acetylene, 99% be shipped internationally?

Yes. (tert-Butyldimethylsilyl)acetylene, 99% is classified as hazardous, 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.