1-Iodobutane
Also known as: Butyl iodide, n-Butyl iodide, n-Iodobutane, Iodobutane, 1-Butyl iodide, n-C4H9I
1-Iodobutane (CAS 542-69-8) 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 184.019 g/mol. Key properties include a melting point of −103 °C(lit.), a boiling point of 130.9±3.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 33.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 542-69-8
- Jingsj CID
- J-47900-0
- Molecular Formula
- C4H9I
- Molecular Weight
- 184.019 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −103 °C(lit.) |
|---|---|
| Boiling Point | 130.9±3.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 33.3±0.0 °C |
| Exact Mass | 183.974884 |
| LogP | 3.09 |
| Additional Property | ~5 (vs air) |
| Vapor Pressure | 11.7±0.2 mmHg at 25°C |
| Refractive Index | 1.504 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H331 — Toxic if inhaled
Customs & Trade Information
| HS Code | 2903399090 |
|---|---|
| Summary | 2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-Iodobutane?
The CAS number of 1-Iodobutane is 542-69-8.
What are the molecular formula and molecular weight of 1-Iodobutane?
1-Iodobutane has molecular formula C4H9I and molecular weight 184.019 g/mol.
Is 1-Iodobutane hazardous?
1-Iodobutane has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H331 — Toxic if inhaled.
What are the upstream and downstream products of 1-Iodobutane?
For 1-Iodobutane, Upstream Products: 1-Bromobutane, 1-Butanol, n-Butane; Downstream Products: DI-N-BUTYLTELLURIUM.
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-Iodobutane (CAS 542-69-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47900-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.