Heptaethylene glycol monomethyl ether

Also known as: 2,5,8,11,14,17,20-Heptaoxadocosan-22-ol, 2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol, 3,6,9,12,15,18,21-heptaoxadocosan-1-ol, HEPTAETHYLENE GLYCOL MONOMETHYL ETHER, Heptaethylene glycol monomethyl ether, Heptaethylene Glycol MonoMethyl Ether, MFCD06201006, MPEG7-OH, Methoxyheptaethylene glycol, Monomethoxy-PEG (n=7), mPEG7, m-PEG7-alcohol

Heptaethylene glycol monomethyl ether (CAS 4437-01-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C15H32O8 and a molecular weight of 340.410 g/mol. Key properties include a boiling point of 416.0±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 205.4±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4437-01-8
Jingsj CID: J-33513-7
Molecular Formula: C₁₅H₃₂O₈
Molecular Weight: 340.410 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	416.0±40.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	205.4±27.3 °C
Exact Mass	340.209717
PSA	84.84000
LogP	-2.95
Vapor Pressure	0.0±2.2 mmHg at 25°C
Refractive Index	1.449

Activity & Biological Data

Target	PEGs
Additional Information	[1]. An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562

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 Heptaethylene glycol monomethyl ether?

The CAS number of Heptaethylene glycol monomethyl ether is 4437-01-8.

What are the molecular formula and molecular weight of Heptaethylene glycol monomethyl ether?

Heptaethylene glycol monomethyl ether has molecular formula C15H32O8 and molecular weight 340.410 g/mol.

What are the upstream and downstream products of Heptaethylene glycol monomethyl ether?

For Heptaethylene glycol monomethyl ether, Upstream Products: Tetraethylene glycol, hexaethylene glycol, 1-Bromo-2-methoxyethane; Downstream Products: Nonaethylene glycol monomethyl ether, 2,5,8,11,14,17,20-Heptaoxadocosan-22-amine.

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. "Heptaethylene glycol monomethyl ether (CAS 4437-01-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33513-7 (accessed 2026-11-09).

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