Trimethylsilyl iodide
Also known as: Iodotrimethylsilane, Iodo(trimethyl)silane, Me3SiI, TMSI, TMS iodide, Trimethyliodosilane, Silane, iodotrimethyl-, EINECS 240-171-0, MFCD00001028
Trimethylsilyl iodide (CAS 16029-98-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H9ISi and a molecular weight of 200.094 g/mol. Key properties include a melting point of <0ºC, a boiling point of 101.5±23.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 15.2±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 16029-98-4
- Jingsj CID
- J-45159-2
- Molecular Formula
- C3H9ISi
- Molecular Weight
- 200.094 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 101.5±23.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 15.2±22.6 °C |
| Exact Mass | 199.951813 |
| LogP | 2.83 |
| Vapor Pressure | 40.5±0.2 mmHg at 25°C |
| Refractive Index | 1.479 |
| Additional Property | reacts |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
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 iodide?
The CAS number of Trimethylsilyl iodide is 16029-98-4.
What are the molecular formula and molecular weight of Trimethylsilyl iodide?
Trimethylsilyl iodide has molecular formula C3H9ISi and molecular weight 200.094 g/mol.
Is Trimethylsilyl iodide hazardous?
Trimethylsilyl iodide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Trimethylsilyl iodide?
For Trimethylsilyl iodide, Upstream Products: Hexamethyldisilane, Phenyltrimethylsilane, Chlorotrimethylsilane; Downstream Products: (3-Bromophenoxy)trimethylsilane, 4-Oxononanoic acid, (Trimethylsilylmethyl)triphenylphosphonium iodide.
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 iodide (CAS 16029-98-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45159-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.