Description

Polyhydroxybutyricacid CAS NO 52352-27-9 is a high-purity, biodegradable polymer belonging to the polyhydroxyalkanoate (PHA) family. This biopolymer is of significant commercial interest as a sustainable alternative to conventional petrochemical-based plastics, offering excellent biocompatibility and material properties. It is essential for manufacturers in the bioplastics, biomedical, and specialty packaging industries seeking eco-friendly material solutions.

Application

• Production of biodegradable and compostable plastics for packaging, films, and disposable items.
• Manufacturing of medical devices and implants, including sutures, drug delivery matrices, and tissue engineering scaffolds, due to its biocompatibility.
• Use as a specialty additive in coatings and adhesives to enhance biodegradability and environmental profile.
• Formulation of high-value, sustainable 3D printing filaments for prototyping and manufacturing.
• Research and development of novel biomaterials in academic and industrial laboratories.
• Component in agricultural applications, such as slow-release matrices for fertilizers and biodegradable mulch films.

Basic Information

Product Name	Polyhydroxybutyricacid
CAS No.	52352-27-9
Molecular Formula	(C₄H₆O₂)ₙ
Molecular Weight	Variable (Polymer)
Synonyms	Poly(3-hydroxybutyric acid); Poly(3-hydroxybutyrate); PHB; P(3HB); 3-Hydroxybutyric acid homopolymer; Poly-β-hydroxybutyrate; Biopol; (R)-3-Hydroxybutanoic acid homopolymer
EINECS	257-835-0

Quality Control

Our Polyhydroxybutyricacid is produced and tested under a rigorous quality management system. Each batch is characterized for key parameters including molecular weight distribution, thermal properties, and purity to ensure consistency and performance. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We can support compliance with relevant standards for biomedical and food contact applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent degradation of polymer properties.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Assay (PHB Content)	≥ 98.0 %
Molecular Weight (Mw)	50,000 - 1,000,000 Da (Grade Dependent)
Melting Point (DSC)	160 - 180 °C
Residual Solvents (GC)	Meet ICH guidelines
Heavy Metals	< 10 ppm
Moisture Content (KF)	< 1.0 %

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