Poly(sodium 4-styrenesulfonate)

CAS 25704-18-1(C8H7NaO3S)nMicro / NanoElectronics

Poly(sodium 4-styrenesulfonate) (CAS: 25704-18-1) is an anionic polyelectrolyte with an average molecular weight of approximately 70,000. This water-soluble polymer functions as a dispersant for calcium carbonate and metal oxides, a suspending aid for particulates, and a scale control agent in water treatment applications. Its hydrophilic nature and charged backbone make it valuable in various material science and micro/nanoelectronics contexts.

IUPAC: PSS,Poly(4-styrenesulfonic acid) sodium salt
Synonyms: Poly(4-styrenesulfonic acid) sodium saltPSSSodium polystyrenesulfonate

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Poly(sodium 4-styrenesulfonate) ((C8H7NaO3S)n) — chemical structure, CAS 25704-18-1; Materials Science, fine chemical supplied by Tech Serve Solutions

Hydrophilic PolymersMaterials ScienceMicro/NanoElectronicsPoly(styrenesulfonate) (PSS)PolyelectrolytesPolymer SciencePolymers

01 /Applications

Dispersant and Suspending Aid

Effectively disperses calcium carbonate and metal oxides, and acts as a suspending aid for various particulates. This is crucial in formulations requiring stable suspensions and uniform distribution of solid components.

Scale Control Agent

Utilised in water treatment systems to prevent and control the formation of mineral scale. Its polyelectrolyte nature helps to inhibit crystal growth and deposition.

Material Science Applications

Serves as a component in advanced materials, including applications in self-assembly processes and the creation of self-assembled monolayers (SAMS).

Micro/Nanoelectronics

Finds utility in micro and nanoelectronic fabrication processes, leveraging its unique properties as a charged polymer.

02 /Properties

Linear formula	(C8H7NaO3S)n
Form	powder
Boiling point	100 °C
Density	0.801 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.395
Solubility	water and lower glycols: soluble
Concentration	30 wt. % in H2O
Melting point	460 °C (dec.)
Viscosity	15-55 cP, 20 %(25 °C, Brookfield)(lit.)
Application	Dispersant for calcium carbonate and metal oxides, suspending aid for particulates and scale control agent for water treatment.

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	2

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

25704-18-1

MDL number

MFCD00084449

05 /Additional specifications

Mol Wt	average Mw ~70,000

06 /Quality & supply

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.

07 /Frequently asked questions

What is Poly(sodium 4-styrenesulfonate) used for?

Poly(sodium 4-styrenesulfonate) is used as a dispersant for calcium carbonate and metal oxides, a suspending aid for particulates, and a scale control agent in water treatment. It also has applications in material science and micro/nanoelectronics.

What is the CAS number and formula for Poly(sodium 4-styrenesulfonate)?

The CAS number is 25704-18-1. The linear formula is (C8H7NaO3S)n.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Poly(sodium 4-styrenesulfonate) with an average Mw of approximately 70,000. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.

What are the safety and handling precautions for this chemical?

Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet (SDS) for comprehensive safety information. It is classified with WGK 2 in Germany.

How is Poly(sodium 4-styrenesulfonate) packed and shipped?

We offer this chemical in various packaging suitable for export, ensuring safe and compliant transport. Please contact us for specific packing details.