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1-(tert-Butyldimethylsilyl)-1H-imidazole

Also known as: tert-Butyldimethylsilylimidazole, TBDMSIM, 1-(tert-Butyldimethylsilyl)imidazole, N-TERT-BUTYLDIMETHYLSILYLIMIDAZOLE, 1-[Dimethyl(2-methyl-2-propanyl)silyl]-1H-imidazole, 1-[tert-Butyl(dimethyl)silyl]-1H-imidazole, 1H-Imidazole, 1-[(1,1-dimethylethyl)dimethylsilyl]-, MFCD00011682

1-(tert-Butyldimethylsilyl)-1H-imidazole (CAS 54925-64-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H18N2Si and a molecular weight of 182.338 g/mol. Key properties include a boiling point of 251.6±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 99.4±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54925-64-3
Jingsj CID
J-39038-5
Molecular Formula
C9H18N2Si
Molecular Weight
182.338 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point251.6±9.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point99.4±0.0 °C
Exact Mass182.123932
PSA17.82000
LogP2.35
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.471

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933290090
Summary2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(tert-Butyldimethylsilyl)-1H-imidazole?

The CAS number of 1-(tert-Butyldimethylsilyl)-1H-imidazole is 54925-64-3.

What are the molecular formula and molecular weight of 1-(tert-Butyldimethylsilyl)-1H-imidazole?

1-(tert-Butyldimethylsilyl)-1H-imidazole has molecular formula C9H18N2Si and molecular weight 182.338 g/mol.

Is 1-(tert-Butyldimethylsilyl)-1H-imidazole hazardous?

1-(tert-Butyldimethylsilyl)-1H-imidazole has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-(tert-Butyldimethylsilyl)-1H-imidazole?

For 1-(tert-Butyldimethylsilyl)-1H-imidazole, Upstream Products: Imidazole, tert-Butyldimethylchlorosilane, N,N-Dimethyl-1H-imidazole-1-sulfonamide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-(tert-Butyldimethylsilyl)-1H-imidazole (CAS 54925-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39038-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.