Description

2-Propenoic Acid, Sodium Salt, Polymer With Ethenylbenzene is a synthetic copolymer of sodium acrylate and styrene, known by its CAS number 27379-05-1. This versatile polymer is engineered to deliver superior performance as a thickening, suspending, and rheology-modifying agent in aqueous systems. It is a critical raw material for formulators in the paints & coatings, adhesives, construction chemicals, and personal care industries seeking to enhance product stability and application properties.

Application

• Paints & Coatings: Acts as a thickener and rheology modifier in water-based paints, improving brushability, sag resistance, and pigment suspension.
• Adhesives & Sealants: Provides viscosity control and enhances the stability of water-based adhesive formulations.
• Construction Chemicals: Used in cementitious products, tile adhesives, and grouts to modify water retention and improve workability.
• Personal Care: Functions as a stabilizer and thickener in lotions, creams, and hair care products.
• Textile & Paper Processing: Serves as a coating binder and processing aid to improve finish and handle.
• Industrial Cleaners: Enhances the viscosity and substrate cling of liquid cleaning formulations.

Basic Information

Product Name	2-Propenoic Acid, Sodium Salt, Polymer With Ethenylbenzene
CAS No.	27379-05-1
Molecular Formula	(C3H3NaO2·C8H8)x
Molecular Weight	Polymer - varies by grade
Synonyms	Sodium Acrylate / Styrene Copolymer
Acrylic Acid, Sodium Salt, Polymer with Styrene
Styrene-Acrylic Acid Sodium Salt Copolymer
Poly(Sodium Acrylate-co-Styrene)
Acrylic Acid-Styrene Copolymer Sodium Salt
SAS Copolymer
Rheology Modifier (Generic Trade Name)
EINECS	Contact for details

Quality Control

Our production of Sodium Acrylate / Styrene Copolymer adheres to stringent quality management protocols. Each batch is characterized for critical parameters including solid content, viscosity, pH, and residual monomers to ensure consistent performance. Certificates of Analysis (COA) documenting these specifications are provided with every shipment to guarantee traceability and compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive). Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Solid Content	≥ 94.0 %
pH (1% Aqueous Solution)	6.0 - 8.0
Viscosity (Brookfield, specific conc.)	As per grade
Residual Monomer (Acrylic Acid)	≤ 100 ppm
Residual Monomer (Styrene)	≤ 100 ppm
Moisture Content	≤ 5.0 %
Ash Content	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.