Pentaethylene glycol monohexadecyl ether

Also known as: 2-[2-[2-[2-(2-hexadecoxyethoxy)ethoxy]ethoxy]ethoxy]ethanol, C16E5, Ceteth-5, Hexadecyl pentaethylene glycol ether, Hexadecylpentaglycol, Polyoxyethylene (5) cetyl ether, POE (5) cetyl ether, 3,6,9,12,15-Pentaoxahentriacontan-1-ol

Pentaethylene glycol monohexadecyl ether (CAS 4478-97-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C26H54O6 and a molecular weight of 462.70300 g/mol. Key properties include a melting point of 39-40ºC, a boiling point of 535.3ºC at 760mmHg, a density of 0.95 g/cm3 and a flash point of 277.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4478-97-1
Jingsj CID: J-1521590-3
Molecular Formula: C₂₆H₅₄O₆
Molecular Weight: 462.70300 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	39-40ºC
Boiling Point	535.3ºC at 760mmHg
Density	0.95 g/cm3
Flash Point	277.5ºC
Exact Mass	462.39200
PSA	66.38000
LogP	5.54300
Refractive Index	1.457

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 monohexadecyl ether?

The CAS number of Pentaethylene glycol monohexadecyl ether is 4478-97-1.

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

Pentaethylene glycol monohexadecyl ether has molecular formula C26H54O6 and molecular weight 462.70300 g/mol.

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 monohexadecyl ether (CAS 4478-97-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521590-3 (accessed 2026-11-06).

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