Description

Poly(Dl-Lactic Acid) CAS NO 26969-66-4 is a biodegradable and biocompatible polymer derived from lactic acid monomers. This material is crucial for applications demanding controlled degradation and environmental compatibility. It is primarily sought by manufacturers in the medical device, pharmaceutical, and sustainable packaging industries for its versatile performance.

Application

• Medical Implants & Devices: Used in the fabrication of resorbable sutures, bone screws, pins, and drug delivery matrices.
• Controlled Drug Delivery: Serves as a key excipient in microspheres, nanoparticles, and implants for sustained release of active pharmaceutical ingredients.
• Tissue Engineering Scaffolds: Provides a biodegradable framework for cell growth and tissue regeneration in advanced therapies.
• Eco-friendly Packaging: A primary component in compostable films, coatings, and containers as a sustainable alternative to conventional plastics.
• 3D Printing (Additive Manufacturing): Used as a filament in fused deposition modeling (FDM) for creating prototypes and custom biomedical models.
• Cosmetics & Personal Care: Employed in formulations for biodegradable microbeads and time-release capsules for active ingredients.

Basic Information

Product Name	Poly(Dl-Lactic Acid)
CAS No.	26969-66-4
Molecular Formula	(C₃H₄O₂)ₙ
Molecular Weight	Varies (Polymer)
Synonyms	Poly(DL-lactic acid); Poly(DL-lactide); DL-PLA; Poly(lactic acid) racemic; PDLLA; Polylactide; PLA; (RS)-Polylactide; Poly(rac-lactic acid); Poly(rac-lactide)
EINECS	Contact for details

Quality Control

Our Poly(Dl-Lactic Acid) is manufactured under a strict quality management system. Each batch is tested to ensure critical parameters such as molecular weight, dispersity, residual monomer content, and thermal properties meet stringent specifications. Certificates of Analysis (COA) documenting compliance with relevant standards, including ISO 13485 for medical applications, are available 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 (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a low-humidity environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Inherent Viscosity (dl/g)	0.2 - 6.0 (Grade dependent)
Molecular Weight (Mw)	10,000 - 200,000 Da (Grade dependent)
Residual Monomer	< 1.0% (by HPLC)
Glass Transition Temp (Tg)	45 - 60 °C
Residue on Ignition	< 0.1%
Heavy Metals	< 10 ppm

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