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Poly(ethylene isophthalate)

Also known as: Poly(oxy-1,2-ethanediyloxycarbonyl-1,3-phenylenecarbonyl), Poly(oxyethyleneoxyisophthaloyl), PEI

Poly(ethylene isophthalate) (CAS 26948-62-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H12O6 and a molecular weight of 228.19900 g/mol. Key property: a density of 1.33 - 1.34. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26948-62-9
Jingsj CID
J-1527388-4
Molecular Formula
C10H12O6
Molecular Weight
228.19900 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Density1.33 - 1.34
Exact Mass228.06300
PSA115.06000
LogP0.05400

Frequently Asked Questions

What is the CAS number of Poly(ethylene isophthalate)?

The CAS number of Poly(ethylene isophthalate) is 26948-62-9.

What are the molecular formula and molecular weight of Poly(ethylene isophthalate)?

Poly(ethylene isophthalate) has molecular formula C10H12O6 and molecular weight 228.19900 g/mol.

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

Last updated:

How to cite: Jingsj. "Poly(ethylene isophthalate) (CAS 26948-62-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1527388-4 (accessed 2026-11-06).

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