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Trimethylsilylmethyl isocyanide

Also known as: (Isocyanomethyl)trimethylsilane, (Trimethylsilyl)methyl isocyanide, isocyanomethyl(trimethyl)silane, trimethylsilyl isocyanide, MFCD00043056

Trimethylsilylmethyl isocyanide (CAS 30718-17-3) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H11NSi and a molecular weight of 113.23300 g/mol. Key properties include a boiling point of 52-53ºC35 mm Hg(lit.), a density of 0.803 g/mL at 25ºC(lit.) and a flash point of 27.8 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
30718-17-3
Jingsj CID
J-16351-6
Molecular Formula
C5H11NSi
Molecular Weight
113.23300 g/mol
Category
Nitrogen Compounds
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point52-53ºC35 mm Hg(lit.)
Density0.803 g/mL at 25ºC(lit.)
Flash Point27.8 °C
Exact Mass113.06600
LogP1.43210
Refractive Indexn20/D 1.416(lit.)

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Trimethylsilylmethyl isocyanide?

The CAS number of Trimethylsilylmethyl isocyanide is 30718-17-3.

What are the molecular formula and molecular weight of Trimethylsilylmethyl isocyanide?

Trimethylsilylmethyl isocyanide has molecular formula C5H11NSi and molecular weight 113.23300 g/mol.

Is Trimethylsilylmethyl isocyanide hazardous?

Trimethylsilylmethyl isocyanide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of Trimethylsilylmethyl isocyanide?

For Trimethylsilylmethyl isocyanide, Upstream Products: Chlorotrimethylsilane, Isocyanomethane; Downstream Products: 3-(1H-Imidazol-4-yl)pyridine, Tetramethylsilane, 4-Phenylimidazole.

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

Last updated:

How to cite: Jingsj. "Trimethylsilylmethyl isocyanide (CAS 30718-17-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16351-6 (accessed 2026-11-07).

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