Pentaethylene glycol monooctyl ether

Also known as: 3,6,9,12,15-Pentaoxatricosan-1-ol, n-Octylpentaoxyethylene, Octylpentaglycol, C8E5, MFCD00043032, 2-[2-[2-[2-(2-octoxyethoxy)ethoxy]ethoxy]ethoxy]ethanol, Polyoxyethylene 5 octyl ether, Octyl pentaethylene glycol ether, N8E, O-Octyl-pentaaethylenglykol, O-octyl-pentaethylene glycol, Pentaoxyethylene monooctyl ether, 14-(Octyloxy)-3,6,9,12-tetraoxatetradecan-1-ol

Pentaethylene glycol monooctyl ether (CAS 19327-40-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H38O6 and a molecular weight of 350.49100 g/mol. Key properties include a boiling point of 434.3ºC at 760mmHg, a density of 0.987g/cm3 and a flash point of 216.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19327-40-3
Jingsj CID: J-36681-4
Molecular Formula: C₁₈H₃₈O₆
Molecular Weight: 350.49100 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	434.3ºC at 760mmHg
Density	0.987g/cm3
Flash Point	216.5ºC
Exact Mass	350.26700
PSA	66.38000
LogP	2.42220
Vapor Pressure	2.29E-09mmHg at 25°C
Refractive Index	1.451

Customs & Trade Information

HS Code	2909499000
Summary	2909499000. ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives. 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 Pentaethylene glycol monooctyl ether?

The CAS number of Pentaethylene glycol monooctyl ether is 19327-40-3.

What are the molecular formula and molecular weight of Pentaethylene glycol monooctyl ether?

Pentaethylene glycol monooctyl ether has molecular formula C18H38O6 and molecular weight 350.49100 g/mol.

What are the upstream and downstream products of Pentaethylene glycol monooctyl ether?

For Pentaethylene glycol monooctyl ether, Upstream Products: Ethylene oxide, 1-Octanol, 2-(2-octoxyethoxy)ethanol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Pentaethylene glycol monooctyl ether (CAS 19327-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36681-4 (accessed 2026-11-07).

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