Skip to main content

1-octadecanol

Also known as: stearyl alcohol, n-octadecyl alcohol, stearylic alcohol, alcohol C18

1-octadecanol (CAS 26762-44-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H38O and a molecular weight of 270.49400 g/mol. Key properties include a melting point of 56-59ºC(lit.), a boiling point of 331.6ºC at 760 mmHg, a density of 0.836 g/cm3 and a flash point of 124.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26762-44-7
Jingsj CID
J-1520254-9
Molecular Formula
C18H38O
Molecular Weight
270.49400 g/mol
Category
Alcohols
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point56-59ºC(lit.)
Boiling Point331.6ºC at 760 mmHg
Density0.836 g/cm3
Flash Point124.9ºC
Exact Mass270.29200
PSA20.23000
LogP6.23860
Additional Property9.3 (vs air)
Vapor Pressure1.11E-05mmHg at 25°C
Refractive Index1.449

Frequently Asked Questions

What is the CAS number of 1-octadecanol?

The CAS number of 1-octadecanol is 26762-44-7.

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

1-octadecanol has molecular formula C18H38O and molecular weight 270.49400 g/mol.

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-octadecanol (CAS 26762-44-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520254-9 (accessed 2026-11-06).

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