| HS Code | 220572 |
| Productname | PURASORB PDL 04A Acid-Terminated Drug Delivery DL-Lactide Copolymer |
| Chemicalname | Poly(D,L-lactide), acid terminated |
| Casnumber | 26680-10-4 |
| Polymertype | Poly(D,L-lactide) copolymer of D-lactide and L-lactide units |
| Endgroup | Carboxylic acid |
| Appearance | White to off-white granules or pellets |
| Inherentviscosity | 0.35-0.45 dL/g in chloroform at 25 °C |
| Molecularweight | Approximately 40,000-60,000 Da (Mw) |
| Polydispersityindex | Approximately 1.5-2.0 |
| Glasstransitiontemperature | 50-55 °C |
| Meltingpoint | None; amorphous polymer |
| Density | Approximately 1.2-1.3 g/cm³ |
| Acidvalue | Approximately 2-7 mg KOH/g |
| Residualmonomer | ≤0.5% |
| Watercontent | ≤0.5% |
| Heavymetals | ≤10 ppm |
| Tincontent | ≤50 ppm |
| Sulfatedash | ≤0.1% |
| Solubility | Soluble in dichloromethane, chloroform, ethyl acetate, and tetrahydrofuran; insoluble in water |
| Biodegradability | Hydrolytically biodegradable to lactic acid |
| Storageconditions | Store cool, dry, protected from moisture and heat; typical storage at 2-8 °C |
| Shelflife | 2 years (typical) |
| Sterilizationcompatibility | Gamma irradiation and ethylene oxide (typical) |
| Application | Controlled drug delivery, microspheres, nanoparticles, and implants |
As an accredited PURASORB PDL 04A Acid-Terminated Drug Delivery DL-Lactide Copolymer factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | PURASORB PDL 04A Acid-Terminated Drug Delivery DL-Lactide Copolymer is supplied in 1 kg sealed aluminum foil bags inside fiber drums. |
| Container Loading (20′ FCL) | 20′ FCL container loaded with palletized drums of PURASORB PDL 04A acid-terminated DL-lactide copolymer, secured, dry, ambient, for compliant transport. |
| Shipping | PURASORB PDL 04A Acid-Terminated Drug Delivery DL-Lactide Copolymer is shipped as a solid polymer in sealed, moisture-barrier packaging at ambient temperature. It is not regulated as dangerous goods. No dry ice or special labels normally required. Protect from heat, moisture, and light; store per SDS. |
| Storage | Store PURASORB PDL 04A Acid-Terminated Drug Delivery DL-Lactide Copolymer in a tightly closed container in a cool, dry, well-ventilated area, away from heat, ignition sources, and strong oxidizers. Protect from moisture and light. Recommended storage is refrigerated at 2–8°C. Allow to equilibrate to room temperature before opening to avoid condensation. Keep container sealed until use. Follow supplier guidelines for long-term storage. |
| Shelf Life | Shelf life is generally 24 months when stored per supplier recommendations, protected from moisture and heat in sealed packaging. |
Competitive PURASORB PDL 04A Acid-Terminated Drug Delivery DL-Lactide Copolymer prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8618136850665
Email: admin@ascent-chem.com
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