Description

Polysalicylate CAS NO 25496-36-0 is a high-purity polymeric ester derived from salicylic acid, valued for its controlled-release properties and biocompatibility. This compound is engineered to meet stringent industrial and pharmaceutical standards, ensuring consistent performance and reliability in critical applications. It is primarily utilized by manufacturers in the pharmaceutical, personal care, and specialty polymer industries seeking advanced functional materials.

Application

• Pharmaceutical Excipient: Used as a matrix-forming polymer for controlled and sustained-release oral dosage forms.
• Topical Formulations: Serves as a film-forming agent and delivery enhancer in medicated creams, gels, and patches.
• Cosmetic Ingredients: Employed in skincare products for its film-forming and stabilizing properties.
• Specialty Coatings: Acts as a functional polymer in coatings requiring specific barrier or release properties.
• Adhesive Systems: A component in pressure-sensitive and bioadhesive formulations for medical devices.
• Chemical Intermediate: Used in the synthesis of more complex polymeric materials and prodrugs.

Basic Information

Product Name	Polysalicylate
CAS No.	25496-36-0
Molecular Formula	(C7H4O3)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(salicylic acid); Salicylic Acid Polymer; Poly(2-hydroxybenzoic acid); Polysalicylic Acid; Poly(o-hydroxybenzoic acid); Polyaspirin; Polymeric Salicylate; P-SA
EINECS	Contact for details

Quality Control

Our Polysalicylate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets defined specifications for identity, purity, molecular weight distribution, and residual solvents. Certificates of Analysis (COA) documenting compliance with relevant standards are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and excessive heat.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to reference spectrum
Assay (as Polysalicylate)	≥ 95.0%
Molecular Weight (Mw)	As per grade requirement
Loss on Drying	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm

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