Poly(1,4-phenylene sulfide)
Poly(1,4-phenylene sulfide) (CAS: 25212-74-2), also known by its linear formula (-C₆H₄-4-S-)n, is a high-performance thermoplastic polymer. It exhibits excellent thermal stability, chemical resistance, and inherent flame retardancy. Its desirable properties make it suitable for demanding applications across various industries, including automotive, electronics, and industrial manufacturing, where durability and resistance to harsh environments are crucial.
- Synonyms
- Poly(phenylene sulfide)PPS

Automotive Components
Used in the manufacturing of auto intake manifolds and pumps due to its high-temperature resistance and chemical inertness. It is also employed in electrical connectors and circuit boards for reliable performance in vehicle systems.
Electrical and Electronic Applications
Its excellent dielectric properties and flame retardancy make it ideal for electrical connectors and circuit boards. It provides robust insulation and safety in electronic devices.
Industrial Coatings
Applied as a protective coating for valves and other industrial parts to enhance corrosion resistance and durability. It also serves as a non-stick coating in various manufacturing processes.
Consumer Goods
Found in components for power tools and heater grills owing to its thermal stability and mechanical strength. Flame-resistant clothing also benefits from its inherent fire-retardant characteristics.
| Linear formula | (-C6H4-4-S-)n |
|---|---|
| Density | 1.36 g/mL at 25 °C |
| Application | Auto intake manifolds and pumps, electrical connectors and circuit boards, flame-resistant clothing, valves, coatings, non-stick coatings, power tool parts and heater grills. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Transition Temp | Tg 150 °C |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Poly(1,4-phenylene sulfide) used for?
+
Poly(1,4-phenylene sulfide) is used in applications such as auto intake manifolds and pumps, electrical connectors, circuit boards, flame-resistant clothing, valves, coatings, and power tool parts.
What is the CAS number and formula for Poly(1,4-phenylene sulfide)?
+
The CAS number is 25212-74-2 and the linear formula is (-C₆H₄-4-S-)n.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Poly(1,4-phenylene sulfide) in a technical/research grade. We do not represent this product as USP, BP, EP, or any other pharmacopoeia standard.
What are the safety and handling considerations for Poly(1,4-phenylene sulfide)?
+
When handling Poly(1,4-phenylene sulfide), it is recommended to wear Eyeshields and Gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. It has a WGK Germany rating of 3, indicating a higher hazard to water.
How is Poly(1,4-phenylene sulfide) packed, shipped, and exported?
+
Tech Serve Solutions professionally packs, ships, and exports chemicals globally, adhering to all necessary regulations for safe transit.
How can I request a sample or quote for Poly(1,4-phenylene sulfide)?
+
To request a sample or quote for Poly(1,4-phenylene sulfide), please contact our sales department through the website or direct inquiry channels.
▶ Related products

(2,3-Epoxypropyl)benzene
Polymer Science

(2-Boc-amino)ethyl methacrylate
C11H19NO4
Polymer Science
(3,5,5-Trimethylcyclohex-2-enylidene)malononitrile
Polymer Science

(3-Acrylamidopropyl)trimethylammonium chloride solution
Polymer Science

1,1,1-Trifluoro-2-(trifluoromethyl)-2-hydroxy-4-methyl-5-pentyl methacrylate
Polymer Science

1,1,1-Tris(4-hydroxyphenyl)ethane
Polymer Science

1,1-Cyclohexanediacetic acid
Polymer Science

1,12-Diisocyanatododecane
Polymer Science
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis