N-Trimethylsilylimidazole, 98%

About N-Trimethylsilylimidazole, 98%

N-Trimethylsilylimidazole is an imidazole derivative carrying the CAS registry number 18156-74-6, specified at 98% purity. Formula C6H12N2Si, molecular weight 140.26 g/mol. Its systematic (IUPAC) name is imidazol-1-yl(trimethyl)silane. Common synonyms include 1-(Trimethylsilyl)imidazole,TMSI and TSIM.

It is supplied as a colourless liquid. Literature values give a boiling point of 93-94 °C and a density of 0.955 - 0.959 g/cm3. 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 chromatography and organic synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 5 mL, 25 mL and 100 mL, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Chromatography
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	N-Trimethylsilylimidazole, 98%
Catalogue No.	VQ-012212
CAS Number	18156-74-6
IUPAC name	imidazol-1-yl(trimethyl)silane
Molecular formula	C₆H₁₂N₂Si
Molecular weight	140.26 g/mol
Exact mass	140.077
Purity / assay	98%
HSN code	29332990
InChIKey	YKFRUJSEPGHZFJ-UHFFFAOYSA-N
SMILES	C[Si](C)(C)N1C=CN=C1
PubChem CID	28925

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
Boiling point	93-94 °C
Density	0.955 - 0.959 g/cm3
H-bond donors / acceptors	0 / 1
TPSA	17.8 Å²
Synonyms	1-(Trimethylsilyl)imidazole,TMSI, TSIM, N-(Trimethylsilyl)imidazole, 1-(Trimethylsilyl)-1H-imidazole, 1-(Trimethylsilyl)imidazole, 1H-Imidazole, 1-(trimethylsilyl)-, (Trimethylsilyl)imidazole, Imidazole, 1-(trimethylsilyl)-, 1-trimethylsilylimidazole, N-trimethylsilylimidizole, N-(Trimethylsilyl)imidazol, Trimethylimidazosilane

Safety & hazard information (GHS)

Flammable

Corrosive

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H226Flammable liquid and vapor
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H360May damage fertility or the unborn child
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P203, P210, P233, P240, P241, P242, P243, P260, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316

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 N-Trimethylsilylimidazole, 98%?

The CAS Registry Number of N-Trimethylsilylimidazole, 98% is 18156-74-6. It is also known as 1-(Trimethylsilyl)imidazole,TMSI, TSIM, N-(Trimethylsilyl)imidazole.

What is the molecular formula and molecular weight of N-Trimethylsilylimidazole, 98%?

N-Trimethylsilylimidazole, 98% has the molecular formula C6H12N2Si and a molecular weight of 140.26 g/mol. Its IUPAC name is imidazol-1-yl(trimethyl)silane.

Which grade and pack sizes of N-Trimethylsilylimidazole, 98% can I order?

We supply N-Trimethylsilylimidazole, 98% in (98%) grade, in 5 mL, 25 mL, 100 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N-Trimethylsilylimidazole, 98%?

Yes. Every lot of N-Trimethylsilylimidazole, 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 N-Trimethylsilylimidazole, 98% be shipped internationally?

Yes. N-Trimethylsilylimidazole, 98% 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.