2-iodo-2-methylpropane
Also known as: tert-Butyl iodide, t-Butyl iodide, Trimethyliodomethane, 2-iodo-2-methyl-propane, 2-methyl-2-iodopropane, Propane, 2-iodo-2-methyl-, tert-C4H9I, 1-Iodo-1,1-dimethylethane
2-iodo-2-methylpropane (CAS 558-17-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H9I and a molecular weight of 184.01900 g/mol. Key properties include a melting point of −38 °C(lit.), a boiling point of 99-100 °C(lit.), a density of 1.544 g/mL at 25 °C(lit.) and a flash point of 7.8 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 558-17-8
- Jingsj CID
- J-44730-3
- Molecular Formula
- C4H9I
- Molecular Weight
- 184.01900 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −38 °C(lit.) |
|---|---|
| Boiling Point | 99-100 °C(lit.) |
| Density | 1.544 g/mL at 25 °C(lit.) |
| Flash Point | 7.8 °C |
| Exact Mass | 183.97500 |
| LogP | 2.21990 |
| Refractive Index | n20/D 1.491(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H400 — Very toxic to aquatic life
Frequently Asked Questions
What is the CAS number of 2-iodo-2-methylpropane?
The CAS number of 2-iodo-2-methylpropane is 558-17-8.
What are the molecular formula and molecular weight of 2-iodo-2-methylpropane?
2-iodo-2-methylpropane has molecular formula C4H9I and molecular weight 184.01900 g/mol.
Is 2-iodo-2-methylpropane hazardous?
2-iodo-2-methylpropane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-iodo-2-methylpropane?
For 2-iodo-2-methylpropane, Upstream Products: tert-Butanol, tert-butyl chloride, 2-Methyl-2-nitropropane; Downstream Products: 1-tert-Butyl-4-nitrobenzene, N-tert-butylaniline, 4-tert-Butylaniline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-iodo-2-methylpropane (CAS 558-17-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44730-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.