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2-Iodobutane

Also known as: sec-Butyl iodide, sec-Iodobutane, 2-Butyl iodide, s-Butyl iodide, 1-methylpropyl iodide, sec-Butyliodide

2-Iodobutane (CAS 513-48-4) 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 -104 °C, a boiling point of 120.0±8.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 23.9±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
513-48-4
Jingsj CID
J-44723-4
Molecular Formula
C4H9I
Molecular Weight
184.019 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-104 °C
Boiling Point120.0±8.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point23.9±0.0 °C
Exact Mass183.974884
LogP2.91
Vapor Pressure18.6±0.2 mmHg at 25°C
Refractive Index1.501

GHS Safety & Compliance

FlammableSignal word: Warning
  • H226 — Flammable liquid and vapour

Customs & Trade Information

HS Code29033080

Frequently Asked Questions

What is the CAS number of 2-Iodobutane?

The CAS number of 2-Iodobutane is 513-48-4.

What are the molecular formula and molecular weight of 2-Iodobutane?

2-Iodobutane has molecular formula C4H9I and molecular weight 184.019 g/mol.

Is 2-Iodobutane hazardous?

2-Iodobutane has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.

What are the upstream and downstream products of 2-Iodobutane?

For 2-Iodobutane, Upstream Products: 2-Butanol, n-Butane, 2-Chlorobutane; Downstream Products: 3,4-Dimethylhexane, Hexamethyldistannane, 2-Butanethiol.

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-Iodobutane (CAS 513-48-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44723-4 (accessed 2026-11-09).

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