Description

Polyvinyl Hydrogen Phthalate is a specialized polymeric derivative of phthalic acid, known for its unique combination of film-forming properties and reactive functionality. This compound is valued for its role as a key intermediate and functional additive in advanced material synthesis, offering controlled release and tailored chemical reactivity. It is essential for manufacturers in the pharmaceutical, specialty polymer, and advanced coating industries seeking to develop sophisticated delivery systems and high-performance materials.

Application

• Pharmaceutical Excipient: Used as a pH-sensitive coating agent for enteric drug delivery systems, protecting active ingredients from gastric acid.
• Polymer Modification: Acts as a reactive intermediate for synthesizing specialty polymers with enhanced adhesion, flexibility, or biodegradability.
• Advanced Coatings: Serves as a functional component in the formulation of protective and responsive coatings for industrial and electronic applications.
• Microencapsulation: Employed in the encapsulation of flavors, fragrances, and agrochemicals for controlled and targeted release.
• Adhesive Formulations: Imparts specific rheological and bonding characteristics in high-performance adhesive systems.
• Analytical Chemistry: Utilized as a standard or reagent in specific chromatographic and spectroscopic analytical methods.

Basic Information

Product Name	Polyvinyl Hydrogen Phthalate
CAS No.	29382-68-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(vinyl hydrogen phthalate); PVHP; Vinyl hydrogen phthalate polymer; Phthalic acid, monoethenyl ester, homopolymer; 1,2-Benzenedicarboxylic acid, monoethenyl ester, homopolymer; Poly(monovinyl phthalate)
EINECS	Contact for details

Quality Control

Our Polyvinyl Hydrogen Phthalate is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. Quality parameters are verified against established in-house specifications, with a focus on purity, molecular weight distribution, and functional group integrity. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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). The material may be hygroscopic; keep the container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms
Assay	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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