Poly(vinyl phosphoric acid), sodium salt is a water-soluble polymeric phosphate ester used in coatings, adhesion promotion, surface treatment, dispersions, and specialty aqueous formulation work. Its phosphate functionality can support metal-ion interaction, ionic character, and surface reactivity in compatible systems.
Synonyms / related names: PVPA sodium salt; sodium poly(vinyl phosphate); poly(vinyl phosphoric acid), sodium salt; poly(vinyl phosphate), sodium salt.
This product is listed as an uncrosslinked, water-soluble polymer with a phosphorus content minimum of 5%. It is useful in research and formulation workflows where an anionic phosphate-functional polymer is needed for metal adhesion, chelation-related studies, dispersion stabilization, or conductive coating development.
Researchers, formulators, and industrial users may use poly(vinyl phosphoric acid), sodium salt in aqueous coatings, surface treatments, metal-binding systems, dispersants, stabilizers, water-treatment research, corrosion-related formulation work, and specialty polymer development.
Key Properties
- Water-soluble polymeric phosphate ester
- Product Number: 04391
- CAS Number: 82063-35-2
- Uncrosslinked phosphate-functional polymer
- Phosphorus content: 5% minimum
- Anionic polymer for aqueous formulation work
- Useful for metal adhesion, ionic conductivity, and surface-reactive polymer systems
- Recommended for laboratory use and manufacture of substances
Applications
Coatings & Surface Treatments
Poly(vinyl phosphoric acid), sodium salt may be used in coating and surface treatment workflows where phosphate functionality is evaluated for adhesion, surface interaction, and compatibility with metal, glass, ceramic, or other inorganic substrates.
Electrolytes & Conductive Coatings
This polymer may be evaluated in electrolyte, ion-conductive coating, and membrane-related research where phosphate functionality and ionic character are relevant to formulation performance.
Dispersants & Stabilizers
The sodium salt form may be used in aqueous dispersions and stabilizer systems where an anionic, water-soluble polymer is needed to help manage pigment, particle, or emulsion stability.
Water Treatment & Metal-Ion Binding
Poly(vinyl phosphoric acid), sodium salt may be used in water-treatment and metal-binding research where phosphate-functional polymers are evaluated for interaction with metal ions and inorganic surfaces.
Specialty Polymer Formulation
This material is useful in specialty formulation work involving phosphate-functional polymers, aqueous polymer systems, corrosion-related studies, and surface-reactive additives.
Solubility & Compatibility Considerations
- Water-soluble polymeric phosphate ester
- Anionic character may influence compatibility with salts, metal ions, cationic polymers, and charged particles
- Performance depends on pH, ionic strength, concentration, substrate chemistry, and additive package
- Compatibility with pigments, binders, fillers, electrolytes, and processing conditions should be evaluated before scale-up
- Metal-ion binding and adhesion performance should be verified under the intended formulation conditions
Final performance should be confirmed under the user’s specific application conditions, including concentration, pH, water quality, substrate preparation, drying conditions, and end-use requirements.
Preparation Tips
- Add gradually to water with appropriate mixing to support uniform dissolution or incorporation
- Control pH and ionic strength when metal-ion interaction or dispersion stability is important
- Confirm compatibility with substrates, pigments, binders, salts, and other formulation additives before use
- Use clean equipment to reduce contamination during solution preparation
- Run small-scale formulation and stability trials before production or process transfer
Handling & Storage
- Store at room temperature
- Keep container tightly closed when not in use
- Exercise normal care during handling
- Use good ventilation and standard laboratory or industrial safety practices
- Wear protective gloves and safety glasses when appropriate
- Refer to the Safety Data Sheet before handling
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FAQ
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1. What is Poly(vinyl phosphoric acid), sodium salt used for?
Poly(vinyl phosphoric acid), sodium salt is used in coatings, surface treatments, adhesion promotion, dispersions, stabilizers, metal-ion binding research, water-treatment studies, and specialty aqueous polymer formulations.
2. Is Poly(vinyl phosphoric acid), sodium salt water-soluble?
Yes. The product is described as a water-soluble polymeric phosphate ester.
3. What is the CAS number?
The listed CAS number for Poly(vinyl phosphoric acid), sodium salt is 82063-35-2.
4. What is the phosphorus content specification?
The product is listed with phosphorus content of 5% minimum.
5. How should Poly(vinyl phosphoric acid), sodium salt be stored?
Store Poly(vinyl phosphoric acid), sodium salt at room temperature with the container tightly closed. Review the Safety Data Sheet for complete storage, handling, and personal protective equipment guidance.
Safety & Documentation
Poly(vinyl phosphoric acid), sodium salt should be handled using normal precautions and standard laboratory or industrial safety practices. Available safety documentation describes the product as low hazard for usual industrial or commercial handling. Refer to the Safety Data Sheet (SDS) and product documentation for complete handling, storage, hazard, and technical information.
