Skip to main content

1,8-Octanediol

Also known as: 1,8-Dihydroxyoctane, Octamethylene glycol, Octane-1,8-diol, ODOL, Octan-1,8-diol, α,ω-Octanediol, NSC 812281

1,8-Octanediol (CAS 629-41-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H18O2 and a molecular weight of 146.227 g/mol. Key properties include a melting point of 57-61 °C(lit.), a boiling point of 278.8±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 128.0±13.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
629-41-4
Jingsj CID
J-1990683-6
Molecular Formula
C8H18O2
Molecular Weight
146.227 g/mol
Category
Alcohols
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point57-61 °C(lit.)
Boiling Point278.8±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point128.0±13.0 °C
Exact Mass146.130676
PSA40.46000
LogP1.00
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.455

Customs & Trade Information

HS Code2905399090
Summary2905399090 other diols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,8-Octanediol?

The CAS number of 1,8-Octanediol is 629-41-4.

What are the molecular formula and molecular weight of 1,8-Octanediol?

1,8-Octanediol has molecular formula C8H18O2 and molecular weight 146.227 g/mol.

What are the upstream and downstream products of 1,8-Octanediol?

For 1,8-Octanediol, Upstream Products: 8-Bromo-1-octanol, 1,7-OCTADIYNE, Diethyl suberate; Downstream Products: N-(8-Hydroxyoctyl)phthalimide, 1-bromo-8-(tetrahydropyranyloxy)octane, 1,8-Diaminooctane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,8-Octanediol (CAS 629-41-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990683-6 (accessed 2026-11-07).

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