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Polytrimethylene terephthalate

Also known as: Polytrimethylene terephthalate resins, Poly(trimethylene terephthalate), Poly(oxy-1,3-propanediyloxycarbonyl-1,4-phenylenecarbonyl), 1,4-Benzenedicarboxylic acid, polymer with 1,3-propanediol, 1,4-Benzenedicarboxylic acid polymer with 1,3-propanediol, PTT

Polytrimethylene terephthalate (CAS 26590-75-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula (C11H10O4)n and a molecular weight of 206.20000 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26590-75-0
Jingsj CID
J-1525574-9
Molecular Formula
(C11H10O4)n
Molecular Weight
206.20000 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass206.06000
PSA115.06000
LogP0.44410

Frequently Asked Questions

What is the CAS number of Polytrimethylene terephthalate?

The CAS number of Polytrimethylene terephthalate is 26590-75-0.

What are the molecular formula and molecular weight of Polytrimethylene terephthalate?

Polytrimethylene terephthalate has molecular formula (C11H10O4)n and molecular weight 206.20000 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. "Polytrimethylene terephthalate (CAS 26590-75-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525574-9 (accessed 2026-11-06).

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