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1-Iodooctadecane

Also known as: Octadecyl iodide, Stearyl iodide, Iodooctadecane, N-Octadecyl iodide, Octadecyl Iodide

1-Iodooctadecane (CAS 629-93-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H37I and a molecular weight of 380.39100 g/mol. Key properties include a melting point of 33-35 °C(lit.), a boiling point of 194-197 °C2 mm Hg(lit.), a density of 1.104 g/cm3 and a flash point of 110 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
629-93-6
Jingsj CID
J-1307346-4
Molecular Formula
C18H37I
Molecular Weight
380.39100 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point33-35 °C(lit.)
Boiling Point194-197 °C2 mm Hg(lit.)
Density1.104 g/cm3
Flash Point110 °C
Exact Mass380.19400
LogP7.68290
Refractive Index1.483

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1-Iodooctadecane?

The CAS number of 1-Iodooctadecane is 629-93-6.

What are the molecular formula and molecular weight of 1-Iodooctadecane?

1-Iodooctadecane has molecular formula C18H37I and molecular weight 380.39100 g/mol.

Is 1-Iodooctadecane hazardous?

1-Iodooctadecane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-Iodooctadecane?

For 1-Iodooctadecane, Upstream Products: 1-Octadecanol, 1-Bromooctadecane, Ethyl Stearate; Downstream Products: Octacosanoic acid, n-Octadecane, HEXATRIACONTANE.

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-Iodooctadecane (CAS 629-93-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1307346-4 (accessed 2026-11-06).

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