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Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene)

Also known as: Poly(1,4-phenylene ether-sulfone), Poly(ether sulfone), PES, MFCD00084366, 4,4'-sulfonylbis-phenol polymer with 1,1'-sulfonylbis(4-chlorobenzene), Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) homopolymer

Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) (CAS 25608-63-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula (C12H8O3S)n and a molecular weight of 537.442 g/mol. Key property: a density of 1.37 g/mL at 25 °C(lit.). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25608-63-3
Jingsj CID
J-1529585-5
Molecular Formula
(C12H8O3S)n
Molecular Weight
537.442 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Density1.37 g/mL at 25 °C(lit.)
Appearancepellets

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

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

The CAS number of Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) is 25608-63-3.

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

Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) has molecular formula (C12H8O3S)n and molecular weight 537.442 g/mol.

Is Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) hazardous?

Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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(oxy-1,4-phenylenesulfonyl-1,4-phenylene) (CAS 25608-63-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1529585-5 (accessed 2026-11-07).

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