(Trimethylsilyl)acetonitrile
Also known as: 2-trimethylsilylacetonitrile, 2-(Trimethylsilyl)acetonitrile, TMSAN, (Cyanomethyl)trimethylsilane, Acetonitrile, 2-(trimethylsilyl)-, trimethylsilanyl-acetonitrile, MFCD00001882, EINECS 242-169-5
(Trimethylsilyl)acetonitrile (CAS 18293-53-3) 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 162.2ºC at 760mmHg, a density of 0.807g/cm3 and a flash point of 50ºC. It is classified under GHS with signal word Danger and hazard statements H226 — 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 Aug 21, 2026.
- CAS No.
- 18293-53-3
- Jingsj CID
- J-14845-2
- Molecular Formula
- C5H11NSi
- Molecular Weight
- 113.23300 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 162.2ºC at 760mmHg |
|---|---|
| Density | 0.807g/cm3 |
| Flash Point | 50ºC |
| Exact Mass | 113.06600 |
| PSA | 23.79000 |
| LogP | 1.84818 |
| Appearance | Liquid | Clear colorless to straw |
| Vapor Pressure | 2.19mmHg at 25°C |
| Refractive Index | n20/D 1.420(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. 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 (Trimethylsilyl)acetonitrile?
The CAS number of (Trimethylsilyl)acetonitrile is 18293-53-3.
What are the molecular formula and molecular weight of (Trimethylsilyl)acetonitrile?
(Trimethylsilyl)acetonitrile has molecular formula C5H11NSi and molecular weight 113.23300 g/mol.
Is (Trimethylsilyl)acetonitrile hazardous?
(Trimethylsilyl)acetonitrile has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(Trimethylsilyl)acetonitrile (CAS 18293-53-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14845-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.