Poly(1,4-phenylene sulfide)

Also known as: Polyphenylene sulfide, PPS, Poly(thio-1,4-phenylene), Poly(p-phenylene sulfide), 1,4-Dichlorobenzene-sodium sulfide copolymer, p-Dichlorobenzene/sodium sulfide copolymer, 6-PPS

Poly(1,4-phenylene sulfide) (CAS 26125-40-6) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C8H11NO3S and a molecular weight of 201.24284 g/mol. Key properties include a melting point of 285-300 °C and a density of 1.36 g/mL at 25 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 26125-40-6
Jingsj CID: J-1347314-3
Molecular Formula: C₈H₁₁NO₃S
Molecular Weight: 201.24284 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	285-300 °C
Density	1.36 g/mL at 25 °C
Appearance	powder

Frequently Asked Questions

What is the CAS number of Poly(1,4-phenylene sulfide)?

The CAS number of Poly(1,4-phenylene sulfide) is 26125-40-6.

What are the molecular formula and molecular weight of Poly(1,4-phenylene sulfide)?

Poly(1,4-phenylene sulfide) has molecular formula C8H11NO3S and molecular weight 201.24284 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. "Poly(1,4-phenylene sulfide) (CAS 26125-40-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1347314-3 (accessed 2026-11-06).

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