Poly(acrylic acid) partial sodium salt solution
Poly(acrylic acid) partial sodium salt solution (CAS 9033-79-8) is an aqueous solution of a partially neutralised poly(acrylic acid). It exhibits hydrophilic properties and finds utility as a dispersant, thickener, and rheology modifier in various industrial and research applications. With an average molecular weight of approximately 2,000 (Mw by GPC) and a concentration of 61-65 wt.% in water, this polymer solution is a versatile material for formulation development.

Dispersing Agent
Utilised to prevent the agglomeration of solid particles in liquid suspensions, promoting stability and uniform distribution. Its polymeric structure aids in steric stabilisation.
Rheology Modifier
Can influence the flow properties of liquid systems, acting as a thickener to increase viscosity or modify shear-thinning behaviour for improved processability and performance.
Hydrogel Component
As a hydrophilic polymer, it can form hydrogels when crosslinked, making it suitable for applications requiring water absorption and retention in materials science research.
Surface Modification
The carboxylate groups can interact with surfaces, offering possibilities for modifying surface properties in various material science contexts.
| Density | 1.2 g/mL at 25 °C |
|---|---|
| Refractive index | n20/D 1.442 |
| Concentration | 61-65 wt. % in H2O |
| Composition | Na, 0.6% |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Mol Wt | average Mw ~2,000 by GPC |
|---|
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(acrylic acid) partial sodium salt solution used for?
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Poly(acrylic acid) partial sodium salt solution is used as a dispersing agent, rheology modifier, a component in hydrogel formation, and for surface modification in various industrial and research applications.
What is the CAS number and formula for this product?
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The CAS number is 9033-79-8. The chemical formula is not explicitly provided for this polymer solution, but it is a partial sodium salt of poly(acrylic acid).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a technical/research grade solution. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should Poly(acrylic acid) partial sodium salt solution be handled?
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Handle with appropriate personal protective equipment, including eyeshields and gloves, to avoid contact. The product has a WGK Germany rating of 1, indicating low hazard potential in water.
How is this product packed, shipped, and exported?
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This product is available in various pack sizes suitable for laboratory and industrial use. Tech Serve Solutions is a global supplier and exporter of fine chemicals.
How can I request a sample or quote?
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To request a sample or a quotation, please use the contact form or email our sales department on the Tech Serve Solutions website.
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