Description

Calcium/Sodium Pvm/Ma Copolymer CAS NO 62386-95-2 is a synthetic polymer widely used as a film-forming agent, stabilizer, and suspending aid. This versatile copolymer is valued for its ability to modify rheology, enhance stability, and improve the performance of various formulations. It is an essential ingredient for manufacturers in the pharmaceutical, personal care, and industrial coatings sectors seeking reliable and consistent polymeric additives.

Application

• Pharmaceutical Coatings: Used as a film-forming polymer in enteric and sustained-release tablet coatings to control drug dissolution.
• Personal Care Products: Functions as a stabilizer, thickener, and film-former in hair sprays, mousses, and skin care formulations.
• Industrial Paints & Coatings: Acts as a rheology modifier and suspending agent to prevent pigment settling and improve application properties.
• Adhesives and Sealants: Enhances the binding properties and stability of water-based adhesive systems.
• Printing Inks: Utilized to adjust viscosity and improve the dispersion of pigments in ink formulations.
• Agricultural Formulations: Serves as a dispersant and stabilizer in suspension concentrates (SC) and other agrochemical products.

Basic Information

Product Name	Calcium/Sodium Pvm/Ma Copolymer
CAS No.	62386-95-2
Molecular Formula	(C5H8O2.C4H6O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Pvm/Ma Copolymer, Calcium/Sodium Salt; Poly(methyl vinyl ether-alt-maleic acid) calcium/sodium salt; Calcium Sodium PVM/MA Copolymer; PVM/MA Copolymer, Calcium Sodium Salt; Butylated PVM/MA Copolymer; Gantrez® S Series (Trade Name); Methyl vinyl ether/maleic acid copolymer calcium sodium salt; 1-Ethenylmethoxyethene with 2,5-Furandione, calcium sodium salt
EINECS	263-711-2

Quality Control

Our Calcium/Sodium Pvm/Ma Copolymer is manufactured under a strict quality management system. Each batch is tested to ensure it meets precise specifications for identity, assay, and impurity profiles, consistent with industry standards for pharmaceutical and cosmetic excipients. Certificates of Analysis (COA) documenting purity, viscosity, and residual solvent levels are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Assay (as copolymer)	Min. 95.0%
Loss on Drying	Max. 5.0%
Viscosity (1% solution)	Contact for details
Residual Solvents	Meets ICH guidelines
Heavy Metals	< 20 ppm
Microbial Limits	Meets USP/EP criteria

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