PEG-8 Stearate

PEG-8 硬脂酸酯

Also known as: Octadecanoic acid, 23-hydroxy-3,6,9,12,15,18,21-heptaoxatricos-1-yl ester, 2-[2-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl octadecanoate, 23-Hydroxy-3,6,9,12,15,18,21-heptaoxatricos-1-yl octadecanoate, Macrogol stearate 400, Polyethylene glycol 400 monostearate, Polyoxyethylene (8) monostearate, Polyoxyl 8 stearate

PEG-8 Stearate (CAS 70802-40-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C34H68O10 and a molecular weight of 636.90 g/mol. It is also known as Octadecanoic acid, 23-hydroxy-3,6,9,12,15,18,21-heptaoxatricos-1-yl ester, 2-[2-[2-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl octadecanoate and 23-Hydroxy-3,6,9,12,15,18,21-heptaoxatricos-1-yl octadecanoate. Key properties include a boiling point of 662.8ºC at 760 mmHg, a density of 1.002g/cm3 and a flash point of 187.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70802-40-3
Jingsj CID
J-1986809-1
Molecular Formula
C34H68O10
Chinese Name
PEG-8 硬脂酸酯
Molecular Weight
636.90 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point662.8ºC at 760 mmHg
Density1.002g/cm3
Flash Point187.7ºC

Frequently Asked Questions

What is the CAS number of PEG-8 Stearate?

The CAS number of PEG-8 Stearate is 70802-40-3.

What are the molecular formula and molecular weight of PEG-8 Stearate?

PEG-8 Stearate has molecular formula C34H68O10 and molecular weight 636.90 g/mol.

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

Last updated:

How to cite: Jingsj. "PEG-8 Stearate (CAS 70802-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986809-1 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.